The nutrient content of five traditional South African dark green leafy vegetables-A preliminary study

Journal of Food Composition and Analysis

Volumn 24, Issue 8, 2011, Pages 1141-1146

  Schonfeldt H C ^a   Pretorius, B ^b  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b AGRICULTURAL RESEARCH COUNCIL   (South Africa)

Author keywords

Amaranthus tricolor; Cleome gynandra; Corchorus olitorius; Curcubita maxima; Food analysis; Food composition; Nutrient content; Traditional dark green leafy vegetables; Vigna unguiculata

Indexed keywords

AMARANTHUS; AMARANTHUS TRICOLOR; CLEOME; CORCHORUS; CORCHORUS CAPSULARIS; CORCHORUS OLITORIUS; GYNANDROPSIS GYNANDRA; VIGNA UNGUICULATA;

EID: 83055173104     PISSN: 08891575     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jfca.2011.04.004     Document Type: Article

References (35)

1. Abou-Hussein, S.D., Abou-Hadid, A.G., El-Shorbagy, T. s.a. Effect of cattle and chicken manure with or without mineral fertilizers on vegetative growth, chemical composition and yield of potato crops.
2. AOAC, 2000. Official methods of analysis. Association of Official Analytical Chemists, Washington, DC (2000). Method 942.05, Method 931.15. Method 967.21.
3. Bassey M.E., Etuk E.U.I., Ibe M.M., Ndon B.A. Diplazium sammatii: Anthyraceae ('Nyama Idim'): age-related nutritional and antinutritional analysis. Plant Foods for Human Nutrition 2001, 56:7-12. pp. 7-12.
4. Chweya J.A., Mnzava N.A. Promoting the conservation and use of underutilized and neglected crops, 11. Cat's Whiskers 1997, International Plant Genetic Resources Institute, Rome, Italy.
5. Coultate T.P. Food, The Chemistry of its Components 2002, The Royal Society of Chemisty, South Bank University, London, UK. 4th Edition.
6. Eneji A.E., Honna T., Yamamoto S. Manuring effect of rice grain yield and extractable trace elements in soils. Journal of Plant Nutrition 2001, 24(7):967-977.
7. Faber M., Oelofse A., Van Jaarsveld P.J., Wenhold F.A.M., Jansen Van Rensburg W.S. African leafy vegetables consumed by households in the Limpopo and KwaZulu-Natal provinces in South Africa. South African Journal of Clinical Nutrition 2010, 23(1). pp. 30-38.
8. Faulks R.M., Southon S. Challenges to understanding and measuring carotenoid bioavailability. Biochimica et Biophysica Acta 2005, 1740(2). pp. 95-100.
9. Gayathri G.N., Platel K., Prakash J., Srinivasan K. Influence of antioxidants spices on the retention of B-carotene in vegetables during domestic cooking processes. Food Chemistry 2004, 84. pp. 35-43.
10. GenStat® for Windows® (7th Edition) - Introduction (Editor R.W. Payne), Published 2003 by VSN International, ISBN 1-904375-08-1.
11. Greenfield H., Southgate D.A.T. Food Composition Data 2003, Elsevier Science Publishers, Rome, pp. 75-77. 2nd ed.
12. International Plant Genetic Resources Institute (IPGRI), 2001-2005. Conserving and increasing the Use of Neglected and Underutilized Crop Species. Retrieved October 15, 2005 from: http://www.ipgri.cgiar.org/institute/siteinfo.html.
13. Jansen Van Rensburg W.S., Venter S.L., Netshiluvhl T.R., Van Den Heever E., Vorster H.J., De Ronde J.A. Role of indigenous leafy vegetables in combating hunger and malnutrition. South African Journal of Botany 2004, 70(1). pp. 52-59.
14. Kruger M., Sayed N., Langenhoven M., Holing F. Composition of South African Foods: Vegetables and Fruit 1998, Medical Research Council's tables (MRC), 1988.
15. Labadarios D., Maunder E., Steyn N., Macintyre U., Swart R., Gericke G., Nesamvuni E., Huskisson J., Vorster H.H., Dannhauser A. Forum Nutrition 1999, 56. Karger, Basel, pp. 106-109.
16. Lee, C.Y., Simpson, K.L., Gerber, L., 1989. Vegetables as a Major Vitamin A Source in Our Diet, New York's Food and Life Sciences Bulletin, Doc. 126, pp. 1-10. Food Science at University of Rhode Island.
17. NFCS (National Food Consumption Survey) The National Food Consumption Survey: children aged 1-9 years South Africa, 1999 1999, Department of Health, Nutrition Directorate, Pretoria, South Africa.
18. Nyambaka H., Ryley J. An isocratic reversed-phase HPLC separation of the streoisomers of the provitamin A carotenoids (α- and ß-carotene) in dark green vegetables. Food Chemistry 1996, 55(1). pp. 63-72.
19. Oboh G. Effect of some post-harvest treatments on the nutritional properties. Pakistan Journal of Nutrition 2005, 4(4). pp. 226-230.
20. Onyeike E.N., Ihugba A.C., George C. Influence of heat processing on the nutrient composition of vegetables consumed in Nigeria. Plant Foods for Human Nutrition 2003, 58. pp. 1-11.
21. Rodriguez-Amaya D.B. A Guide to Carotenoid Analysis in Foods 1999, International Life Sciences Institute, Washington DC, pp. 64.
22. Rodriguez-Amaya D.B. Effects of processing and storage on food carotenoids. Sight and Life, Newsletter 2002, 3.
23. Rock C.L., Lovalvo J.L., Emenhiser C., Ruffin M.T., Flatt S.W., Schwartz S.J. Bioavailability of ß-carotene is lower in raw than in processed carrots and spinach in women. Journal of Nutrition 1998, 128(8). pp. 913-916.
24. Schönfeldt H.C., Gibson N., Vermeulen H. The possible impact of inflation on nutritionally vulnerable households in a developing country using South Africa as a case study. Nutrition Bulletin 2010, 35(3):254-267.
25. Sims A., Shoemaker D. Simultaneous liquid chromatographic determination of thiamine and riboflavin in selected foods. Journal of AOAC International 1993, 76(5). pp. 1156.
26. Sorenson A.W., Wyse B.W., Wittwer A.J., Hansen R.G. An Index of Nutritional Quality for a balanced diet. New help for an old problem. Journal of the American Dietetic Association 1976, 68(3). pp. 236-242.
27. Stadlmayr B., Charrondiere U.R., Addy P., Samb B., Enujiugha V.N., Bayili R.G., Fagbohoun E.G., Smith I.F., Thiam I., Burlingham B. Composition of Selected Foods from West Africa 2010, Food ad Agriculture Organization of the United Nations, Rome.
28. Uusiku N.P., Oelofse A., Duodu K.G., Bester M.J., Faber M. Nutritional value of leafy vegetables of sub-Saharan Africa and their potential contribution to human health: a review. Journal of Food Composition and Analysis 2010, 23. pp. 499-509.
29. UWC-University of the Western Cape, 2003. Fair Share, School of Government. How South African economy works. Retrieved January 20, 2010 from the University of the Western Cape Home Page: http://www.uwc.ac.za/fairshare.
30. Van Jaarsveld P.J., Faber M., Tanumihardjo S.A., Nestel P., Lombard C.J., Benade A.J.S. B-carotene-rich orange-fleshed sweet potato improves the vitamin A status of primary school children assessed with the modified-relative-dose-response test. American Society for Clinical Nutrition 2005, 81. pp. 1080-1087.
31. Venom, s.a., Nutrient density, Retrieved October 15, 2005 from: http://www.abcbodybuilding.com/magazine03/nutrient%20density/nutrientdensity.htm.
32. Vorster, H.J., Jansen Van Rensburg, W.S., Van Zijl, J.J.B., 2002. Germplasm Management of African Leafy Vegetables for the Nutritional and Food Security Needs of Vulnerable Groups in South Africa. IPGRI report number 01/30-06-2002, ARC-Roodeplaat Vegetable and Ornamental Plant Institute.
33. Wardlaw G.M., Hampl J.S., Disilvestro R.A. Perspectives in Nutrition 2004, McGraw Hill, New York. 6th ed.
34. Wimalasiri P., Wills R.B.H. Simultaneous analysis of thiamin and riboflavin in foods by high-performance liquid chromatography. Journal of Chromatography 1985, 318. pp. 412-416.
35. Zasoski R.J., Burae R.G. A rapid nitric-perchloric acid degestion method for multi-elelment tissue analysis. Communications in Soil Science and Plant Analysis 1977, 8(5). pp. 425-436.