Variation in polyphenolic content of Athrixia phylicoides (L.) (bush tea) leaves with season and nitrogen application

South African Journal of Botany

Volumn 72, Issue 3, 2006, Pages 398-402

  Mudau, F N ^a   Soundy, P ^b   du Toit, E S ^b   Olivier, J ^c  

^a UNIVERSITY OF LIMPOPO   (South Africa)

^b UNIVERSITY OF PRETORIA   (South Africa)

^c UNIVERSITY OF SOUTH AFRICA   (South Africa)

Author keywords

Bush tea; Nitrogen; Polyphenolic; Season

Indexed keywords

FERTILIZER; LIGHTNING; MEDICINAL PLANT; NITROGEN; PHENOLIC COMPOUND; SEASONAL VARIATION; SHRUB; TEA;

ATHRIXIA;

EID: 33646945352     PISSN: 02546299     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.sajb.2005.10.007     Document Type: Article

References (26)

1. Anon. Technicon Auto Analyser. Industrial Method vol. 2 (1972) No. 98-70W
2. Anon. Physiological and pharmacological effects of Camellia sinensis L. (tea). Preventative Medicine 21 (1992) 329-553
3. Bryant J.P., Clausen T.P., and Werner R.A. Effects of nitrogen fertilization upon the secondary chemistry and nutritional value of quaking aspen (Populus tremuloides Michx.) leaves for the large aspen tortix (Choristoneura conflictana (Walker). Oecologia 73 (1987) 2072-2084
4. Fernando V., and Roberts G.R. The effects of process parameters on seasonal development of flavour in black tea. Journal of the Science of Food and Agriculture 35 (1984) 71-76
5. Hamilton J., Zangerl A.R., DeLucia E.H., and Berenbaum M.R. The carbon-nutrient hypothesis: its rise and fall. Ecology News Letter 4 (2001) 86-95
6. Hanlon E.A., Gonzalez J.G., and Bartos J.M. IFAS extension soil testing laboratory chemical procedure and training manual. Fla. Coop. Ext. Serv., Circ. (1994) 812
7. Haukioja E., Ossipov V., Koricheva J., Honkanen T., Karsson S., and Lempa K. Biosynthetic origin of carbon-based secondary compounds: cause of variable responses of woody plants to fertilization. Chemoelogy 8 (1998) 133-139
8. Hirasawa M., Takada K., Makimura M., and Otake S. Improvement of periodontal status by green tea catechin using a local delivery system: a clinical pilot study. Alternative Medicine Review 37 (2002) 433-438
9. Kainulanaine P., Holopainen J.K., Palomäki V., and Holopainen T. Effects of nitrogen fertilization on secondary chemistry and ectomycorrhizal state of Scots pine seedlings and on growth of grey pine aphid. Journal of Chemical Ecology 22 (1996) 617-636
10. Katiyar S.K., and Mukhtar H. Tea in chemoprevention of cancer: epidemiologic and experimental studies. International Journal of Oncology 8 (1996) 221-238
11. Mabogo, D.N.E. (1990). The Ethnobotany of Vhavenda. MS thesis, University of Pretoria, Pretoria.
12. Muzika R.M. Terpenes and phenolics in response to nitrogen fertilization: a test of carbon/nutrient balance hypothesis. Chemoelogy 8 (1993) 133-139
13. Owour P.O. Changes in quality parameters of commercial black seedling tea due to the time of year in the Eastern Highlands of Kenya. Food Chemistry 45 (1992) 119-124
14. Owour P.O., and Odhiambo H.O. Response of some black tea quality parameters to nitrogen fertilizer rates and plucking frequencies. Journal of the Science of Food and Agriculture 66 (1994) 555-561
15. Owour P.O., Othieno C.O., Robinson J.M., and Baker K. Response of tea quality parameters to time of year and nitrogen fertilizer. Journal of the Science of Food and Agriculture 55 (1991) 111-446
16. Owour P.O., Ng'etich K.W., and Obanda M. Quality response of clonal black tea to nitrogen fertilizer, plucking interval and plucking standard. Journal of the Science of Food and Agriculture 80 (2000) 439-446
17. Roberts M. Indigenous Healing Plants (1990), Southern Book Publishers, Halfway House. 1-86812-317-0 143
18. Rooster D.E., Snyman J.C., Smith B.L., Fourie P.F., De Villiers A.E., Willers P., and Schwarts A. Tea cultivation in South Africa. Tea 1 (1985) 1-7
19. Rozema J., van de Staaij J., Bjorn L.O., and Caldwell M.M. UV-B as an environmental factor in plant life: stress and regulation. Trends in Ecology and Evolution 12 (1997) 22-28
20. Sas Institute Inc. User's Guide. Version 8.0 5th ed. vol. 2 (1999) Cary, N.C.
21. Stensveld I., Tversdal S., and Solvoll K. Tea consumption. Relationship to cholesterol, blood pressure, and coronary and total mortality. Preventative Medicine 21 (1992) 546-553
22. Tuomi J., Niemelä P., Haukioja E., Neuvonen S., and Suomela J. Nutrient stress: an explanation for plant anti-herbivore responses to defoliation. Oecolgia 61 (1984) 208-210
23. Van Wyk B.-E., and Gericke N. People's Plants: A Guide to Useful plants of South Africa (2000), Briza Publication, Pretoria. 1 875 09319 2 102
24. Venkatesan S., Murugesan S., Ganapathy M.N.K., and Verma D.P. Long-term impact of nitrogen and potassium fertilizers on yield, soil nutrients and biochemical parameters of tea. Journal of the Science of Food and Agriculture 84 (2004) 1939-1944
25. Wanyoko J.K. Fertilizer on tea: nitrogen-a review. Tea 4 (1983) 28-35
26. Waterman P., and Mole S. Analysis of Phenolic Plant Metabolites (1994), Blackwell Scientific, London. 0-632-02969-2 83-85