Radical scavenging activity of tea catechins and their related compounds

Bioscience, Biotechnology and Biochemistry

Volumn 63, Issue 9, 1999, Pages 1621-1623

  Nanjo, Fumio ^a   Mori, Masao ^a   Goto, Keiichi ^a   Hara, Yukihiko ^a  

^a Mitsui Norin Co Ltd ^*  (Japan)

Author keywords

Catechin; Radical scavenging; Stoichiometric factor; Superoxide anion; Tea

Indexed keywords

1,1 DIPHENYL 2 PICRYLHYDRAZYL; 2,2-DIPHENYL-1-PICRYLHYDRAZYL; BEPRIDIL; CATECHIN; DRUG DERIVATIVE; EPICATECHIN GALLATE; EPIGALLOCATECHIN GALLATE; HYDROXYL RADICAL; PICRIC ACID; SCAVENGER; SUPEROXIDE;

ARTICLE; CHEMISTRY; IN VITRO STUDY; TEA;

BEPRIDIL; CATECHIN; FREE RADICAL SCAVENGERS; HYDROXYL RADICAL; PICRATES; SUPEROXIDES; TEA;

EID: 0033195301     PISSN: 09168451     EISSN: 13476947     Source Type: Journal    
DOI: 10.1271/bbb.63.1621     Document Type: Article

References (11)

1. Lea, C. H. and Swoboda, P. A. T., The antioxidant action of some polyphenolic constituents of tea. Chem. & Ind., 1073-1074 (1957).
2. Matsuzaki, T. and Hara, Y., Antioxidative activity of tea leaf catechins. Nippon Nougeikagaku Kaishi (in Japanese), 59, 129-134 (1985).
3. Nanjo, F., Honda, M., Okushio, K., Matsumoto, N., Ishigaki, F., Ishigami, T., and Hara, Y., Effects of dietary tea catechins on a-tocopherol levels, lipid peroxidation, and erythrocyte deformability in rats fed on high palm oil and perilla oil diets. Biol. Pharm. Bull., 16, 1156-1159 (1993).
4. Nanjo, F., Goto, K., Seto, R., Suzuki, M., Sakai, M., and Hara, Y., Scavenging effects of tea catechins and their derivatives on 1, l-diphenyl-2-picrylhydrazyl radical. Free Radic. Biol. Med., 21, 895-902 (1996).
5. Hertog, M. G. L., Feskens, E. J. M., Hollman, P. C. H., Katan, M. B., and Kromhout, D., Dietary antioxidant flavonoids and risk of coronary heart disease: the Zutphen elderly study. Lancet, 342, 1007-1011 (1993).
6. Hertog, M. G. L., Kromhout, D., Aravanis, C., Blackburn, H., Buzina, R., Fidanza, F., Giampaoli, S., Jansen, A., Menotti, A., Nedeljkovic, S., Pekkarienen, M., Simic, B. S., Toshima, H., Feskens, E. J. M., Hollman, P. C. H., and Katan, M. B., Flavonoid intake and long-term risk of coronary heart disease and cancer in the seven countries study. Arch. Intern. Med., 155, 381-386 (1995).
7. Keli, S. O., Hertog, M. G. L., Feskens, E. J. M., and Kromhout, D., Dietary flavonoids, antioxidant vitamins, and incidence of stroke. Arch. Intern. Med., 156, 637-642 (1996).
8. Imai, K., Litt, D., Suga, K., and Nakachi, K., Cancer-preventive effects of drinking green tea among a Japanese population. Prev. Med., 26, 769-775 (1997).
9. Nanjo, F., Hara, Y., Bandai, T., and Shibuya T., Japan Kokai Tokkyo Koho, 7-179489 (July 18, 1995).
10. Uchida, S., Edamatsu, R., Hiramatsu, M., Mori, A., Nonaka, G., Nishioka, L, Niwa, M., and Ozaki, M., Condensed tannins scavenge active oxygen free radicals. Med. Sei. Res., 15, 831-832 (1987).
11. Blois, M. S., Antioxidant determinations by the use of a stable free radical. Nature, 181, 1199-1200 (1958).