Involuntary soil ingestion and geophagia: A source and sink of mineral nutrients and potentially harmful elements to consumers of earth materials

Applied Geochemistry

Volumn 27, Issue 5, 2012, Pages 954-968

  Abrahams, Peter W ^a  

^a ABERYSTWYTH UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTIVE PROPERTIES; AGRICULTURAL SYSTEM; ANIMAL KINGDOM; BIOACCESSIBILITY; EARTH MATERIALS; GASTROINTESTINAL TRACT; HUMAN NUTRITION; IN-VITRO; LOW CONCENTRATIONS; MINERAL NUTRIENTS; SOIL CONTENT; SOIL PARTICLES; SOURCE AND SINK; TOXICITY SYMPTOMS;

AGRICULTURE; ANIMALS; CHEMICAL ELEMENTS; MATERIALS PROPERTIES; MINERALS; NUTRIENTS; SODIUM; SOILS; TOXICITY;

SOIL TESTING;

ABSORPTION; CHEMICAL COMPOSITION; CONCENTRATION (COMPOSITION); GRASSLAND; MINERAL; POLLUTION EFFECT; SODIUM; SOIL NUTRIENT; SOIL TYPE; SOLUBILIZATION; TOXICITY; TRACE ELEMENT;

ANIMALIA;

EID: 84859101309     PISSN: 08832927     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.apgeochem.2011.05.003     Document Type: Article

References (211)

1. Abrahams P.W. Geophagy (soil consumption) and iron supplementation in Uganda. Trop. Med. Int. Health 1997, 2:617-623.
2. Abrahams P.W. The chemistry and mineralogy of three savanna lick soils. J. Chem. Ecol. 1999, 25:2215-2228.
3. Abrahams P.W. Geophagy and the involuntary ingestion of soil. Essentials of Medical Geology: Impacts of the Natural Environment on Public Health 2005, 435-458. Elsevier, Amsterdam, (Chapter 17). O. Selinus, B. Alloway, J.A. Centeno, R.B. Finkelman, R. Fuge, U. Lindh, P. Smedley (Eds.).
4. Abrahams P.W. Environmental impacts concerning the selenium content of foods. Health Benefits of Organic Food: Effects of the Environment 2008, 88-118. CABI, Wallingford, (Chapter 5). I. Givens, S. Baxter, A.M. Minihane, E. Shaw (Eds.).
5. Abrahams P.W. " Earth eaters" : ancient and modern perspectives on human geophagy. Soil and Culture 2010, 369-398. Springer, Dordrecht, (Chapter 23). E.R. Landa, C. Feller (Eds.).
6. Abrahams P.W., Parsons J.A. Geophagy in the tropics; an appraisal of three geophagical materials. Environ. Geochem. Health 1997, 19:19-22.
7. Abrahams P.W., Thornton I. The contamination of agricultural land in the metalliferous province of southwest England: implications to livestock. Agric. Ecosyst. Environ. 1994, 48:125-137.
8. Abrahams P.W., Follansbee M.H., Hunt A., Smith B., Wragg J. Iron nutrition and possible lead toxicity: an appraisal of geophagy undertaken by pregnant women of UK Asian communities. Appl. Geochem. 2006, 21:98-108.
9. Aines P.D., Smith S.E. Sodium versus chloride for the therapy of salt-deficient dairy cows. J. Dairy Sci. 1957, 40:682-688.
10. Ammerman C.B., Valdivia R., Rosa I.V., Henry P.R., Feaster J.P., Blue W.G. Effect of sand or soil as a dietary component on phosphorus utilization by sheep. J. Anim. Sci. 1984, 59:1092-1099.
11. Andrews E.D. Cobalt deficiency. N.Z. J. Agric. 1956, 92:239-244.
12. Arcasoy A., çavdar A.O., Babacan E. Decreased iron and zinc absorption in Turkish children with iron deficiency and geophagia. Acta Haematol. 1978, 60:76-84.
13. Assimakopoulos P.A., Divanes K., Pakou A.A., Stamoulis K.C., Mantzios A.S., Nikolaou E. Radiostrontium transfer to sheep's milk as a result of soil ingestion. Sci. Total Environ. 1995, 172:17-20.
14. Barltrop D., Strehlow C.D., Thornton I., Webb J.S. Significance of high soil lead concentrations for childhood lead burdens. Environ. Health Perspect. 1974, 7:75-82.
15. Basta N.T., Rodriguez R.R., Casteel S.W. Bioavailability and risk of arsenic exposure by the soil ingestion pathway. Environmental Chemistry of Arsenic 2002, 117-139. Marcel Dekker, New York, (Chapter 5). W.T. Frankenberger (Ed.).
16. Beak D.G., Basta N.T., Scheckel K.G., Traina S.J. Bioaccessibility of lead sequestered to corundum and ferrihydrite in a simulated gastrointestinal system. J. Environ. Qual. 2006, 35:2075-2083.
17. Beak D.G., Basta N.T., Scheckel K.G., Traina S.J. Linking solid phase speciation of Pb sequestered to birnessite to oral Pb bioaccessibility: implications for soil remediation. Environ. Sci. Technol. 2008, 42:779-785.
18. 137Cs to ruminants. Sci. Total Environ. 1993, 136:243-249.
19. Bennett A., Stryjewski G. Severe hypokalemia caused by oral and rectal administration of bentonite in a pediatric patient. Pediatr. Emerg. Care 2006, 22:500-502.
20. Beresford N.A., Barnett C.L., Coward P.A., Howard B.J., Mayes R.W. A simple method for the estimation of radiocaesium from herbage contaminated by adherent soil. J. Environ. Radioactiv. 2002, 63:77-84.
21. Beresford N.A., Mayes R.W., Cooke A.J., Barnett C.L., Howard B.J., Lamb C.S., Naylor G.P.L. The importance of source-dependent bioavailability in determining the transfer of ingested radionuclides to ruminant-derived food products. Environ. Sci. Technol. 2000, 34:4455-4462.
22. Berger L.L. Salt and Trace Minerals for Livestock, Poultry and Other Animals 2006, Salt Institute, Alexandria, Virginia.
23. The Nyasaland Survey Papers 1938-1943: Agriculture, Food and Health 1992, Academy, London. V. Berry, C. Petty (Eds.).
24. Beyer W.N., Connor E.E., Gerould S. Estimates of soil ingestion by wildlife. J. Wildlife Manage. 1994, 58:375-382.
25. Black D.A.K. A revaluation of terra sigillata. Lancet 1956, 2:883-884.
26. Boggs C.L., Dau B. Resource specialization in puddling Lepidoptera. Environ. Entomol. 2004, 33:1020-1024.
27. Bosso S.T., Enzweiler J. Bioaccessible lead in soils, slag, and mine wastes from an abandoned mining district in Brazil. Environ. Geochem. Health 2008, 30:219-229.
28. Bowell R.J., Ansah R.K. Mineral status of soils and forage in the Mole National Park, Ghana and implications for wildlife nutrition. Environ. Geochem. Health 1994, 16:41-58.
29. Boyle J.S., Mackey M.C. Pica: sorting it out. J. Transcult. Nurs. 1999, 10:65-68.
30. Bradley F.W. Sandlappers and clay eaters. N.C. Folklor. 1964, 12:27-28.
31. 12 in the ovine rumen. Proc. Nutr. Soc. 1987, 46:66A.
32. Brebner J., Thornton I., McDonald P., Suttle N.F. The release of trace elements from soils under conditions of simulated ruminal and abomasal digestion. Trace Elements in Man and Animals - TEMA 5 1985, 850-852. Commonwealth Agricultural Bureaux, Slough. C.F. Mills, I. Bremner, J.K. Chesters (Eds.).
33. Bruce S.L., Noller B.N., Grigg A.H., Mullen B.F., Mulligan D.R., Ritchie P.J., Currey N., Ng J.C. A field study conducted at Kidston Gold Mine, to evaluate the impact of arsenic and zinc from mine tailing to grazing cattle. Toxicol. Lett. 2003, 137:23-34.
34. Calabrese E.J., Stanek E.J., Pekow P., Barnes R.M. Soil ingestion estimates for children residing on a superfund site. Ecotoxicol. Environ. Saf. 1997, 36:258-268.
35. Casteel S.W., Weis C.P., Henningsen G.M., Brattin W.J. Estimation of relative bioavailability of lead in soil and soil-like materials using young swine. Environ. Health Perspect. 2006, 114:1162-1171.
36. Casteel S.W., Cowart R.P., Weis C.P., Henningsen G.M., Hoffman E., Brattin W.J., Guzman R.E., Starost M.F., Payne J.T., Stockham S.L., Becker S.V., Drexler J.W., Turk J.R. Bioavailability of lead to juvenile swine dosed with soil from the Smuggler Mountain NPL Site of Aspen, Colorado. Fundam. Appl. Toxicol. 1997, 36:177-187.
37. Caughey J.E. Aetiological factors in adolescent malnutrition in Iran. N.Z. Med. J. 1973, 77:90-95.
38. çavdar A.O., Arcasoy A., Cin ş. Zinc deficiency in Turkey. Am. J. Clin. Nutr. 1977, 30:833-834.
39. çavdar A.O., Arcasoy A., Cin S., Gümüs H. Zinc deficiency in geophagia in Turkish children and response to treatment with zinc sulphate. Haematologica 1980, 65:403-408.
40. çavdar A.O., Arcasoy A., Cin S., Babacan E., Gözdasoĝlu S. Geophagia in Turkey: iron and zinc deficiency, iron and zinc absorption studies and response to treatment with zinc in geophagia cases. Prog. Clin. Biol. Res. 1983, 129:71-97.
41. Chandrajith R., Kudavidanage E., Tobschall H.J., Dissanayake C.B. Geochemical and mineralogical characteristics of elephant geophagic soils in Udawalawe National Park, Sri Lanka. Environ. Geochem. Health 2009, 31:391-400.
42. Cheek D.B., Smith R.M., Spargo R.M., Francis N. Zinc, copper and environmental factors in the Aboriginal peoples of the north west. Aust. N.Z. J. Med. 1981, 11:508-512.
43. Clegg F.G., Rylands J.M. Osteoporosis and hydronephrosis of young lambs following the ingestion of lead. J. Comp. Path. 1966, 76:15-22.
44. Conway M., León Vintró L., Mitchell P.I., García-Tenorio R., Jimenez-Ramos M.C., Burkitbayev M., Priest N.D. In-vitro analysis of the dissolution kinetics and systemic availability of plutonium ingested in the form of 'hot' particles from the Semipalatinsk NTS. Appl. Radiat. Isot. 2009, 67:884-888.
45. Cooke A.I., Green N., Rimmer D.L., Weekes T.E.C., Wilkins B.T. Development of an in vitro method to assess the availability of soil-associated radionuclides for uptake by ruminants. J. Environ. Radioactiv. 1995, 28:191-207.
46. Cotter-Howells J., Thornton I. Sources and pathways of environmental lead to children in a Derbyshire mining village. Environ. Geochem. Health 1991, 13:127-135.
47. Cragin F.W. Observations on cachexia Africana or dirt-eating. Am. J. Med. Sci. 1836, 17:356-364.
48. Crosby W.H. Clay ingestion and iron deficiency anemia. Ann. Intern. Med. 1982, 97:456.
49. Culbard E.B., Johnson L.R. Elevated arsenic concentrations in house dusts located in a mineralised area of southwest England: implication for human health. Trace Substances in Environmental Health - 18. Proceedings of the University of Missouri's 18th Annual Conference on Trace Substances in Environmental Health 1984, 311-319. University of Missouri, Columbia. D.D. Hemphill (Ed.).
50. Czerkawski J., Breckenridge G. Design and development of a long-term rumen simulation technique (Rusitec). Br. J. Nutr. 1977, 38:371-384.
51. Daburon F., Archimbaud Y., Cousi J., Fayart G., Hoffschir D., Chevallereau I., Le Creff H., Gueguen L. Radiocaesium transfer to ewes fed contaminated hay after the Chernobyl accident: effect of vermiculite and AFCF (ammonium ferricyanoferrate) as countermeasures. J. Environ. Radioactiv. 1991, 14:73-84.
52. Danford D.E. Pica and nutrition. Ann. Rev. Nutr. 1982, 2:303-322.
53. Danford D.E. Pica and zinc. Prog. Clin. Biol. Res. 1983, 129:185-195.
54. Danford D.E., Smith J.C., Huber A.M. Pica and mineral status in the mentally retarded. Am. J. Clin. Nutr. 1982, 35:958-967.
55. Davis S., Mirick D.K. Soil ingestion in children and adults in the same family. J. Expo. Sci. Environ. Epidemiol. 2006, 16:63-75.
56. de Castro J. Geography of Hunger 1952, Victor Gollancz, London.
57. Denys S., Tack K., Caboche J., Delalain P. Bioaccessibility, solid phase distribution, and speciation of Sb in soils and in digestive fluids. Chemosphere 2008, 74:711-716.
58. Dethier V.G. The taste of salt. Am. Sci. 1977, 65:744-751.
59. Dickins D., Ford R.N. Geophagy (dirt eating) among Mississippi Negro school children. Am. Sociol. Rev. 1942, 7:59-65.
60. Distant W.L. Notes on the people of Batanga. J. Anthropol. Inst. Great Brit. Ireland 1881, 10:463-470.
61. Drexler J.W., Brattin W.J. An in vitro procedure for estimation of lead relative bioavailability: with validation. Human Ecol. Risk Asses. 2007, 13:383-401.
62. EPA TRW, 2000. Short Sheet: TRW Recommendations for Sampling and Analysis of Soil at Lead (Pb) Sites. Environmental Protection Agency Technical Review Workgroup for Lead, EPA #540-F-00-010, OSWER #9285.7-38, 6pp. http://www.epa.gov/superfund/lead/products/sssiev.pdf.
63. Feldman M.D. Pica: current perspectives. Psychosomatics 1986, 27:519-523.
64. Ferrell R.E. Medicinal clay and spiritual healing. Clays Clay Miner. 2008, 56:751-760.
65. Fisher J.R., Sievers M.L., Takeshita R.T., Caldwell H. Skeletal fluorosis from eating soil. Ariz. Med. 1981, 38:833-835.
66. Freeman G.B., Schoof R.A., Ruby M.V., Davis A.O., Dill J.A., Liao S.C., Lapin C.A., Bergstrom P.D. Bioavailability of arsenic in soil and house dust impacted by smelter activities following oral administration in cynomolgus monkeys. Fundam. Appl. Toxicol. 1995, 28:215-222.
67. Freeman G.B., Johnson J.D., Killinger J.M., Liao S.C., Davis A.O., Ruby M.V., Chaney R.L., Lovre S.C., Bergstrom P.D. Bioavailability of arsenic impacted by smelter activities following oral administration in rabbits. Fundam. Appl. Toxicol. 1993, 21:83-88.
68. Freeman G.B., Johnson J.D., Killinger J.M., Liao S.C., Feder P.I., Davis A.O., Ruby M.V., Chaney R.L., Lovre S.C., Bergstrom P.D. Relative bioavailability of lead from mining waste soil in rats. Fundam. Appl. Toxicol. 1992, 19:388-398.
69. French M.H. Earth-eating and the mineral needs of livestock. East Afr. Agric. J. 1955, 20:168-175.
70. Garcia-Bojalil C.M., Ammerman C.B., Henry P.R., Littell R.C., Blue W.G. Effects of dietary phosphorus, soil ingestion and dietary intake level on performance, phosphorus utilization and serum and alimentary tract mineral concentrations in lambs. J. Anim. Sci. 1988, 66:1508-1519.
71. Gary N.E., Eisinger R.P. Clay ingestion and hypokalemia. Ann. Intern. Med. 1982, 97:622.
72. Geissler P.W., Mwaniki D.L., Thiong'o F., Friis H. Geophagy among school children in Western Kenya. Trop. Med. Int. Health 1997, 2:624-630.
73. Geissler P.W., Mwaniki D., Thiong'o F., Friis H. Geophagy as a risk factor for geohelminth infections: a longitudinal study of Kenyan primary schoolchildren. Trans. Roy. Soc. Trop. Med. Hyg. 1998, 92:7-11.
74. Geissler P.W., Prince R.J., Levene M., Poda C., Beckerleg S.E., Mutemi W., Shulman C.E. Perceptions of soil-eating and anaemia among pregnant women on the Kenyan coast. Soc. Sci. Med. 1999, 48:1069-1079.
75. Gelfand M.C., Zarate A., Knepshield J.H. Geophagia: a cause of life-threatening hyperkalemia in patients with chronic renal failure. JAMA 1975, 234:738-740.
76. Girouard E., Zagury G.J. Arsenic bioaccessibility in CCA-contaminated soils: influence of soil properties, arsenic fractionation, and particle-size fraction. Sci. Total Environ. 2009, 407:2576-2585.
77. Glickman L.T., Camara A.O., Glickman N.W., McCabe G.P. Nematode intestinal parasites of children in rural Guinea, Africa: prevalence and relationship to geophagia. Int. J. Epidemiol. 1999, 28:169-174.
78. Gonzalez J.J., Owens W., Ungaro P.C., Werk E.E., Wentz P.W. Clay ingestion: a rare cause of hypokalemia. Ann. Intern. Med. 1982, 97:65-66.
79. 12) and selenium status of grazing sheep. N.Z. Vet. J. 2006, 54:44-46.
80. Grace N.D., Healy W.B. Effect of ingestion of soil on faecal losses and retention of Mg, Ca, P, K, and Na in sheep fed two levels of dried grass. N.Z. J. Agric. Res. 1974, 17:73-78.
81. Grace N.D., Loganathan P., Hedley M.J. The effect of a temporal change in ingestion rates of fluorine (F) in soil on the concentration of F in serum and bone of young sheep. N.Z. Vet. J. 2007, 55:77-80.
82. Grace N.D., Loganathan P., Hedley M.J. The effect of age on the fluoride concentration in the metacarpus of grazing sheep in New Zealand. N.Z. Vet. J. 2008, 56:115-119.
83. 12, Cu, Cd, Fe, Mn, and Zn in the liver of sheep fed lucerne pellets. N.Z. J. Agric. Res. 1996, 39:325-331.
84. Grace N.D., Loganathan P., Hedley M.J., Wallace G.C. Ingestion of soil fluorine: its impact on the fluorine metabolism and status of grazing young sheep. N.Z. J. Agric. Res. 2003, 46:279-286.
85. Grace N.D., Loganathan P., Deighton M.W., Molano G., Hedley M.J. Ingestion of soil fluorine: its impact on the fluorine metabolism of dairy cows. N.Z. J. Agric. Res. 2005, 48:23-27.
86. Green N., Johnson D., Wilkins B.T. Factors affecting the transfer of radionuclides to sheep grazing on pastures reclaimed from the sea. J. Environ. Radioactiv. 1996, 30:173-183.
87. Groen K., Vaessen H.A.M.G., Kliest J.J.G., de Boer J.L.M., van Ooik T., Timmerman A., Vlug R.F. Bioavailability of inorganic arsenic from bog ore-containing soil in the dog. Environ. Health Perspect. 1994, 102:182-184.
88. Hallberg L., Björn-Rasmussen E. Measurement of iron absorption from meals contaminated with iron. Am. J. Clin. Nutr. 1981, 34:2808-2815.
89. Hansen H.S., Hove K. Radiocesium bioavailability: transfer of Chernobyl and tracer radiocesium to goat milk. Health Phys. 1991, 60:665-673.
90. Hansen S.L., Spears J.W. Bioaccessibility of iron from soil is increased by silage fermentation. J. Dairy Sci. 2009, 92:2896-2905.
91. Harbourne J.F., McCrea C.T., Watkinson J. An unusual outbreak of lead poisoning in calves. Vet. Rec. 1968, 83:515-517.
92. Healy W.B. Ingestion of soil by sheep. Proc. N.Z. Soc. Anim. Prod. 1967, 27:109-120.
93. Healy W.B. In vitro studies on the effects of soil on elements in ruminal, " duodenal" , and ileal liquors from sheep. N.Z. J. Agric. Res. 1972, 15:289-305.
94. Healy W.B. Nutritional aspects of soil ingestion by grazing animals. Chemistry and Biochemistry of Herbage 1973, vol. 1:567-588. Academic Press, London, (Chapter 13).
95. Healy W.B., Ludwig T.G. Wear of sheep's teeth. I. The role of ingested soil. N.Z. J. Agric. Res. 1965, 8:737-752.
96. Healy W.B., Crouchley G., Gillett R.L., Rankin P.C., Watts H.M. Ingested soil and iodine deficiency in lambs. N.Z. J. Agric. Res. 1972, 15:778-782.
97. Hill J., Stark B.A., Wilkinson J.M., Curran M.K., Lean I.J., Hall J.E., Livesey C.T. Accumulation of potentially toxic elements by sheep given diets containing soil and sewage sludge. 2. Effect of the ingestion of soils treated historically with sewage sludge. Anim. Sci. 1998, 67:87-96.
98. Holdø R.M., Dudley J.P., McDowell L.R. Geophagy in the African elephant in relation to availability of dietary sodium. J. Mammal. 2002, 83:652-664.
99. Hooda P.S., Henry C.J.K., Seyoum T.A., Armstrong L.D.M., Fowler M.B. The potential impact of geophagia on the bioavailability of iron, zinc and calcium in human nutrition. Environ. Geochem. Health 2002, 24:305-319.
100. Hooda P.S., Henry C.J.K., Seyoum T.A., Armstrong L.D.M., Fowler M.B. The potential impact of soil ingestion on human mineral nutrition. Sci. Total Environ. 2004, 333:75-87.
101. Hooper D., Mann H.H. Earth-eating and the earth-eating habit in India. Mem. Asiatic Soc. Bengal 1906, 1:249-270.
102. Hui C.A. Geophagy and potential contaminant exposure for terrestrial vertebrates. Rev. Environ. Contam. Toxicol. 2004, 183:115-134.
103. Hunter J.M. Geophagy in Africa and in the United States: a culture-nutrition hypothesis. Geogr. Rev. 1973, 63:170-195.
104. Hunter J.M. Macroterme geophagy and pregnancy clays in southern Africa. J. Cultural Geogr. 1993, 14:69-92.
105. Hunter J.M., de Kleine R. Geophagy in Central America. Geogr. Rev. 1984, 74:157-169.
106. Intawongse M., Dean J.R. In-vitro testing for assessing oral bioaccessibility of trace metals in soil and food samples. Trends Anal. Chem. 2006, 25:876-886.
107. Johns T., Duquette M. Detoxification and mineral supplementation as functions of geophagy. Am. J. Clin. Nutr. 1991, 53:448-456.
108. Johnson L.R., Farmer J.G. Urinary arsenic concentrations and speciation in Cornwall residents. Environ. Geochem. Health 1989, 11:39-44.
109. Juhasz A.L., Smith E., Weber J., Rees M., Rofe A., Kuchel T., Sansom L., Naidu R. In vitro assessment of arsenic bioaccessibility in contaminated (anthropogenic and geogenic) soils. Chemosphere 2007, 69:69-78.
110. Kikouama J.R.O., Le Cornec F., Bouttier S., Launay A., Baldé L., Yagoubi N. Evaluation of trace elements released by edible clays in physicochemically simulated physiological media. Int. J. Food Sci. Nutr. 2009, 60:130-142.
111. Klaus G., Klaus-Hügi C., Schmid B. Geophagy by large animals at natural licks in the rain forest of the Dzanga National Park, Central African Republic. J. Trop. Ecol. 1998, 14:829-839.
112. Krengel B., Geyser F. Chronic pica in an adult. S. Afr. Med. J. 1978, 53:480.
113. Kreulen D.A., Jager T. The significance of soil ingestion in the utilization of arid rangelands by large herbivores, with special reference to natural licks on the Kalahari pans. Herbivore Nutrition in the Subtropics and Tropics 1984, 204-221. Science Press, Craighall. F.M.C. Gilchrist, R.I. Mackie (Eds.).
114. Laird B.D., Van de Wiele T.R., Corriveau M.C., Jamieson H.E., Parsons M.B., Verstraete W., Siciliano S.D. Gastrointestinal microbes increase arsenic bioaccessibility of ingested mine tailings using the Simulator of the Human Intestinal Microbial Ecosystem. Environ. Sci. Technol. 2007, 41:5542-5547.
115. Langlands J.P., Bowles J.E., Donald G.E., Smith A.J. The nutrition of ruminants grazing native and improved pastures. V. Effects of stocking rate and soil ingestion on the copper and selenium status of grazing sheep. Aust. J. Agric. Res. 1982, 33:313-320.
116. Lanzkowsky P. Investigation into the aetiology and treatment of pica. Arch. Dis. Child. 1959, 34:140-148.
117. Laufer B. Geophagy. Field Mus. Nat. Hist., Anthropol. Ser. 1930, 18:99-198.
118. Layman E.M., Millican F.K., Lourie R.S., Takahashi L.Y. Cultural influences and symptom choice: clay eating customs in relation to the etiology of pica. Psychol. Rec. 1963, 13:249-257.
119. Lee S.-W., Lee B.-T., Kim J.-Y., Kim K.-W., Lee J.-S. Human risk assessment for heavy metals and As contamination in the abandoned metal mine areas, Korea. Environ. Monit. Assess. 2006, 119:233-244.
120. Lentz D.E., Madsen F.C., Miller J.K., Hansard S.L. Effect of potassium and hypomagnesemia on insulin in the bovine. J. Anim. Sci. 1976, 43:1082-1087.
121. Ljung K., Oomen A., Menno D., Selinus O., Berglund M. Bioaccessibility of metals in urban playground soils. J. Environ. Sci. Health A 2007, 42:1241-1250.
122. Loganathan P., Hedley M.J., Wallace G.C., Roberts A.H.C. Fluoride accumulation in pasture forages and soils following long-term applications of phosphorus fertilizers. Environ. Pollut. 2001, 115:275-282.
123. Loganathan P., Hedley M.J., Grace N.D., Lee J., Cronin S.J., Bolan N.S., Zanders J.M. Fertiliser contaminants in New Zealand grazed pasture with special reference to cadmium and fluorine: a review. Aust. J. Soil Res. 2003, 41:501-532.
124. Luoba A.I., Geissler P.W., Estambale B., Ouma J.H., Alusala D., Ayah R., Mwaniki D., Magnussen P., Friis H. Earth-eating and reinfection with intestinal helminths among pregnant and lactating women in western Kenya. Trop. Med. Int. Health 2005, 10:220-227.
125. MacPherson A., Voss R.C., Dixon J. Effect of soil ingestion on cobalt deficiency in sheep. Trace Element Metabolism in Man and Animals - 3 1978, 497-498. Technische Universität München, Freising-Weihenstephan. M. Kirchgessner (Ed.).
126. Maddaloni M., Lolacono N., Manton W., Blum C., Drexler J., Graziano J. Bioavailability of soilborne lead in adults, by stable isotope dilution. Environ. Health Perspect. 1998, 106(Suppl. 6):1589-1594.
127. Mahaney W.C., Hancock R.G.V. Geochemical analysis of African buffalo geophagic sites and dung on Mount Kenya, east Africa. Mammalia 1990, 54:25-32.
128. Mahaney W.C., Watts D.P., Hancock R.G.V. Geophagia by mountain gorillas (Gorilla gorilla beringei) in the Virunga Mountains, Rwanda. Primates 1990, 31:113-120.
129. Marett J.R.de la H. Race, Sex and Environment: A Study of Mineral Deficiency in Human Evolution 1936, Hutchinson, London.
130. Marlow R.W., Tollestrup K. Mining and exploitation of natural mineral deposits by the desert tortoise, Gopherus agassizii. Anim. Behav. 1982, 30:475-478.
131. Mascolo N., Summa V., Tateo F. In vivo experimental data on the mobility of hazardous chemical elements from clays. Appl. Clay Sci. 2004, 25:23-28.
132. Mason D. On atrophia a ventriculo (mal d'Estomac) or dirt-eating. Edinb. Med. Surg. J. 1833, 39:289-295.
133. Mayland H.F., Florence A.R., Rosenau R.C., Lazar V.A., Turner H.A. Soil ingestion by cattle on semiarid range as reflected by titanium analysis of feces. J. Range Manage. 1975, 28:448-452.
134. McCollum E.V. A History of Nutrition 1957, Houghton Mifflin, Boston, Massachusetts.
135. 12 synthesis. Br. Soc. Anim. Prod. Oc. Publ. 1983, 7:147-148.
136. McDonald R., Marshall S.R. The value of iron therapy in pica. Pediatrics 1964, 34:558-562.
137. McDowell L.M. Minerals in Animal and Human Nutrition 1992, Academic Press, London.
138. Mengel C.E., Carter W.A., Horton E.S. Geophagia with iron deficiency and hypokalemia. Arch. Intern. Med. 1964, 114:470-474.
139. Miller J.K., Madsen F.C., Swanson E.W. Effects of ingested soil on ration utilization by dairy cows. J. Dairy Sci. 1977, 60:618-622.
140. Mills A., Milewski A. Geophagy and nutrient supplementation in the Ngorongoro Conservation Area, Tanzania, with particular reference to selenium, cobalt and molybdenum. J. Zool. 2007, 271:110-118.
141. Mills A.J., Milewski A., Fey M.V., Groengroeft A., Petersen A. Fungus culturing, nutrient mining and geophagy: a geochemical investigation of Macrotermes and Trinervitermes mounds in southern Africa. J. Zool. 2009, 278:24-35.
142. Minekus M., Marteau P., Havenaar R., Huisintveld J.H.J. A multicompartmental dynamic computer-controlled model simulating the stomach and small-intestine. Altern. Lab. Anim. 1995, 23:197-209.
143. Minnich V., Okçuoĝlu A., Tarcon Y., Arcasoy A., Cin ş., Yörükoĝlu O., Renda F., Demirag B. Pica in Turkey. II. Effect of clay upon iron absorption. Am. J. Clin. Nutr. 1968, 21:78-86.
144. Mokhobo K.P. Iron deficiency anaemia and pica. S. Afr. Med. J. 1986, 70:473-475.
145. Morman S.A., Plumlee G.S., Smith D.B. Application of in vitro extraction studies to evaluate element bioaccessibility in soils from a transect across the United States and Canada. Appl. Geochem. 2009, 24:1454-1463.
146. Nchito M., Geissler P.W., Mubila L., Friis H., Olsen A. Effects of iron and multimicronutrient supplementation on geophagy: a two-by-two factorial study among Zambian schoolchildren in Lusaka. Trans. Roy. Soc. Trop. Med. Hyg. 2004, 98:218-227.
147. Oomen, A.G., Brandon, E.F.A., Swartjes, F.A., Sips, A.J.A.M., 2006. How can information on oral bioavailability improve human health risk assessment for lead-contaminated soils? Implementation and scientific basis. National Institute for Public Health and the Environment (RIVM). Report No. 711701042/2006 http://www.rivm.nl/en/.
148. Oomen A.G., Tolls J., Sips A.J.A.M., Groten J.P. In vitro intestinal lead uptake and transport in relation to speciation. Arch. Environ. Contam. Toxicol. 2003, 44:116-124.
149. Oomen A.G., Rompelberg C.J.M., Bruil M.A., Dobbe C.J.G., Pereboom D.P.K.H., Sips A.J.A.M. Development of an in vitro digestion model for estimating the bioaccessibility of soil contaminants. Arch. Environ. Contam. Toxicol. 2003, 44:281-287.
150. Oomen A.G., Hack A., Minekus M., Zeijdner E., Cornelis C., Schoeters G., Verstraete W., Van de Wiele T., Wragg J., Rompelberg C.J.M., Sips A.J.A.M., Van Wijnen J.H. Comparison of five in vitro digestion models to study the bioaccessibility of soil contaminants. Environ. Sci. Technol. 2002, 36:3326-3334.
151. Palumbo-Roe B., Klinck B. Bioaccessibility of arsenic in mine waste-contaminated soils: a case study from an abandoned arsenic mine in SW England (UK). J. Environ. Sci. Health A 2007, 42:1251-1261.
152. Penzhorn B.L. Soil-eating by Cape mountain zebras Equus zebra zebra in the Mountain Zebra National Park. Koedoe 1982, 25:89-102.
153. Plumlee G.S., Mormon S.A., Ziegler T.L. The toxicological geochemistry of earth materials: an overview of processes and the interdisciplinary methods used to understand them. Medical Mineralogy and Geochemistry Reviews in Mineralogy and Geochemistry 2006, vol. 64:5-57. Mineralogical Society of America, Washington, DC, (Chapter 2).
154. Powell L.L., Powell T.U., Powell G.V.N., Brightsmith D.J. Parrots take it with a grain of salt: available sodium content may drive collpa (clay lick) selection in southeastern Peru. Biotropica 2009, 41:279-282.
155. Prasad A.S., Halsted J.A., Nadimi M. Syndrome of iron deficiency anemia, hepatosplenomegaly, hypogonadism, dwarfism and geophagia. Am. J. Med. 1961, 31:532-546.
156. Rees M., Sansom L., Rofe A., Juhasz A.L., Smith E., Weber J., Naidu R., Kuchel T. Principles and application of an in vivo swine assay for the determination of arsenic bioavailability in contaminated matrices. Environ. Geochem. Health 2009, 31(Suppl. 1):167-177.
157. Reid R.M. Cultural and medical perspectives on geophagia. Med. Anthropol. 1992, 13:337-351.
158. Ren H.M., Wang J.D., Zhang X.L. Assessment of soil lead exposure in children in Shenyang, China. Environ. Pollut. 2006, 144:327-335.
159. Rieuwerts J.S., Searle P., Buck R. Bioaccessible arsenic in the home environment in southwest England. Sci. Total Environ. 2006, 371:89-98.
160. Rigg T., Askew H.O. Soil and mineral supplements in the treatment of bush-sickness. Emp. J. Exp. Agric. 1934, 2:1-8.
161. Ruby M.V., Davis A., Schoof R., Eberle S., Sellstone C.M. Estimation of lead and arsenic bioavailability using a physiologically based extraction test. Environ. Sci. Technol. 1996, 30:422-430.
162. Ruby M.V., Davis A., Link T.E., Schoof R., Chaney R.L., Freeman G.B., Bergstrom P. Development of an in vitro screening test to evaluate the in vivo bioaccessibility of ingested mine-waste lead. Environ. Sci. Technol. 1993, 27:2870-2877.
163. Ruby M.V., Schoof R., Brattin W., Goldade M., Post G., Harnois M., Mosby D.E., Casteel S.W., Berti W., Carpenter M., Edwards D., Cragin D., Chappell W. Advances in evaluating the oral bioavailability of inorganics in soil for use in human health risk assessment. Environ. Sci. Technol. 1999, 33:3697-3705.
164. Russell, K.J., 1988. Soil Ingestion by Sheep in England and Wales and its Contribution to the Dietary Intake of Trace Elements. PhD Thesis, University of London, (unpublished).
165. Schroder J.L., Basta N.T., Casteel S.W., Evans T.J., Payton M.E., Si J. Validation of the in vitro gastrointestinal (IVG) method to estimate relative bioavailable lead in contaminated soils. J. Environ. Qual. 2004, 33:513-521.
166. Severance H.W., Holt T., Patrone N.A., Chapman L. Profound muscle weakness and hypokalemia due to clay ingestion. South. Med. J. 1988, 81:272-274.
167. Sharpe R.T., Livesey C.T. Lead poisoning in cattle and its implication for food safety. Vet. Rec. 2006, 159:71-74.
168. Shellshear I.D., Jordan L.D., Hogan D.J., Shannon F.T. Environmental lead exposure in Christchurch children: soil lead a potential hazard. N.Z. Med. J. 1975, 81:382-386.
169. Sheppard S.C., Evenden W.G., Schwartz W.J. Ingested soil: bioavailability of sorbed lead, cadmium, cesium, iodine and mercury. J. Environ. Qual. 1995, 24:498-505.
170. Sialelli J., Urquhart G.J., Davidson C.M., Hursthouse A.S. Use of a physiologically based extraction test to estimate the human bioaccessibility of potentially toxic elements in urban soils from the city of Glasgow, UK. Environ. Geochem. Health 2010, 32:517-527.
171. Sipes I.G., Badger D. Principles of toxicology. Clinical Environmental Health and Toxic Exposures 2001, 49-68. Lippincott Williams and Wilkins, Philadelphia, (Chapter 4). J.B. Sullivan, G.R. Krieger (Eds.).
172. Smith B., Rawlins B.G., Cordeiro M.J.A.R., Hutchins M.G., Tiberindwa J.V., Sserunjogi L., Tomkins A. The bioaccessibility of essential and potentially toxic trace elements in tropical soils from Mukono District, Uganda. J. Geol. Soc. 2000, 157:885-891.
173. Smith E., Weber J., Juhasz A.L. Arsenic distribution and bioaccessibility across particle fractions in historically contaminated soils. Environ. Geochem. Health 2009, 31(Suppl. 1):85-92.
174. Smith K.M., Dagleish M.P., Abrahams P.W. The intake of lead and associated metals by sheep grazing mining-contaminated floodplain pastures in mid-Wales, UK: II. Metal concentrations in blood and wool. Sci. Total Environ. 2010, 408:1035-1042.
175. Smith K.M., Abrahams P.W., Dagleish M.P., Steigmajer J. The intake of lead and associated metals by sheep grazing mining-contaminated floodplain pastures in mid-Wales, UK: I. Soil ingestion, soil-metal partitioning and potential availability to pasture herbage and livestock. Sci. Total Environ. 2009, 407:3731-3739.
176. Spencer, W.G. (translator), 1935. Celsus: De Medicina, vol. 1. Heinemann, London.
177. Statham M., Bray A.C. Congenital goitre in sheep in southern Tasmania. Aust. J. Agric. Res. 1975, 26:751-768.
178. Stevens, D.P., McLaughlin, M.J., 1999. Risk assessment of soil fluoride ingestion by cattle. In: Wenzel, W.W., Adriano, D.C., Alloway, B., Doner, H.E., Keller, C., Lepp, N.W., Mench, M., Naidu, R., Pierzynski, G.M. (Eds.), Proceedings 5th International Conference on the Biogeochemistry of Trace Elements, vol. 2. Vienna, 1999, pp. 856-857.
179. Stewart W.L., Allcroft R. Lameness and poor thriving in lambs on farms in old lead mining areas in the Pennines - I. Field investigations. Vet. Rec. 1956, 68:723-728.
180. Sumerling T.J., Dodd N.J., Green N. The transfer of strontium-90 and caesium-137 to milk in a dairy herd grazing near a major nuclear installation. Sci. Total Environ. 1984, 34:57-72.
181. Suttle, N.F., 1981. The metabolism, absorption and interactions of copper in ruminants. In: Proceedings of the Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association, 11th Annual Seminar. Massey University, New Zealand, pp. 2-10.
182. Suttle N.F. Relationships between the trace element status of soils, pasture and animals in relation to growth rate in lambs. Geochemistry and Health 1988, 69-79. Science Reviews Ltd., Northwood, (Chapter 7). I. Thornton (Ed.).
183. Suttle N.F. Mineral Nutrition of Livestock 2010, CABI, Wallingford.
184. Suttle N.F., Hall J.E. Soil ingestion by grazing livestock: a pathway for potentially toxic elements (PTEs) to pass from sewage sludge into the food chain. Nutrition in a Sustainable Environment 1994, 51-55. Smith-Gordon, London. M. Wahlqvist, A.S. Truswell, R. Smith, P.J. Nestel (Eds.).
185. Suttle N.F., Abrahams P., Thornton I. The role of a soil×dietary sulphur interaction in the impairment of copper absorption by ingested soil in sheep. J. Agric. Sci. Camb. 1984, 103:81-86.
186. Suttle N.F., Alloway B.J., Thornton I. An effect of soil ingestion on the utilization of dietary copper by sheep. J. Agric. Sci. Camb. 1975, 84:249-254.
187. Tateo F., Summa V. Element mobility in clays for healing use. Appl. Clay Sci. 2006, 36:64-76.
188. Thompson, C.J.S., 1913. Terra sigillata, a famous medicament of ancient times. In: Proceedings of the 17th International Congress of Medical Sciences. London, pp. 433-444 (Section 23, History of Medicine).
189. Thornton I. Contamination of soils and surface waters with trace metals from mining wastes. Trans. Inst. Min. Metall. A 1978, 87:A121-A124.
190. Thornton I. Geochemistry and the mineral nutrition of agricultural livestock and wildlife. Appl. Geochem. 2002, 17:1017-1028.
191. Thornton I., Abrahams P. Soil ingestion - a major pathway of heavy metals into livestock grazing contaminated land. Sci. Total Environ. 1983, 28:287-294.
192. Timperley M.H., Brooks R.R., Peterson P.J. The significance of essential and non-essential trace elements in plants in relation to biogeochemical prospecting. J. Appl. Ecol. 1970, 7:429-439.
193. Tordoff M.G. Calcium: taste, intake, and appetite. Physiol. Rev. 2001, 81:1567-1597.
194. Tracy B.F., McNaughton S.J. Elemental analysis of mineral lick soils from the Serengeti National Park, the Konza Prairie and Yellowstone National Park. Ecography 1995, 18:91-94.
195. Ukaonu C., Hill A., Christensen F. Hypokalemic myopathy in pregnancy caused by clay ingestion. Obstet. Gynecol. 2003, 102:1169-1171.
196. Valberg P.A., Beck B.D., Bowers T.S., Keating J.L., Bergstrom P.D., Boardman P.D. Issues in setting health-based cleanup levels for arsenic in soil. Regul. Toxicol. Pharmacol. 1997, 26:219-229.
197. Valdivia R., Ammerman C.B., Henry P.R., Feaster J.P., Wilcox C.J. Effect of dietary aluminum and phosphorus on performance, phosphorus utilization and tissue mineral composition in sheep. J. Anim. Sci. 1982, 55:402-410.
198. Van de Wiele T.R., Oomen A.G., Wragg J., Cave M., Minekus M., Hack A., Cornelis C., Rompelberg C.J.M., de Zwart L.L., Klinck B., Van Wijnen J., Verstraete W., Sips A.J.A.M. Comparison of five in vitro digestion models to in vivo experimental results: lead bioaccessibility in the human gastrointestinal tract. J. Environ. Sci. Health A 2007, 42:1203-1211.
199. Van Wijnen J.H., Clausing P., Brunekreef B. Estimated soil ingestion by children. Environ. Res. 1990, 51:147-162.
200. Vermeer D.E. Geophagy among the Tiv of Nigeria. Ann. Assoc. Am. Geogr. 1966, 56:197-204.
201. Vermeer D.E. Geophagy in the American south. Bull. Shreveport Med. Soc. 1986, 37:38.
202. Waller H. The Last Journals of David Livingstone in Central Africa, vol. 2 1880, John Murray, London.
203. Wedeen R.P., Mallik D.K., Batuman V., Bogden J.D. Geophagic lead nephropathy: case report. Environ. Res. 1978, 17:409-415.
204. WHO, 1996. Trace Elements in Human Nutrition and Health. World Health Organisation, Geneva.
205. Wiley A.S., Katz S.H. Geophagy in pregnancy: a test of a hypothesis. Curr. Anthropol. 1998, 39:532-545.
206. Wong M.S., Bundy D.A.P., Golden M.H.N. The rate of ingestion of Ascaris lumbricoides and Trichuris trichiura eggs in soil and its relationship to infection in two children's homes in Jamaica. Trans. Roy. Soc. Trop. Med. Hyg. 1991, 85:89-91.
207. Wragg J., Cave M.R. In-vitro methods for the measurement of the oral bioaccessibility of selected metals and metalloids in soils: a critical review. R&D Technical Report P5-062/TR/01 2003, Environment Agency, Bristol.
208. Yamamoto N., Takahashi Y., Yoshinaga J., Tanaka A., Shibata Y. Size distributions of soil particles adhered to children's hands. Arch. Environ. Contam. Toxicol. 2006, 51:157-163.
209. Yanai J., Noguchi J., Yamada H., Sugihara S., Kilasara M., Kosaki T. Function of geophagy as supplementation of micronutrients in Tanzania. Soil Sci. Plant Nutr. 2009, 55:215-223.
210. Young S.L. A vile habit? The potential biological consequences of geophagia, with special attention to iron. Consuming the Inedible: Neglected Dimensions of Food Choice 2007, 67-79. Berghahn Books, New York, (Chapter 5). J. MacClancy, J. Henry, H. Macbeth (Eds.).
211. Zagury G.J., Bedeaux C., Welfringer B. Influence of mercury speciation and fractionation on bioaccessibility in soils. Arch. Environ. Contam. Toxicol. 2009, 56:371-379.