Comparative Study on Antimutagenic and in vitro Anticancer Activities between Two Kinds of White Tea and Green Tea

doi:10.7506/spkx1002-6630-200911055

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (11): 243-245.doi: 10.7506/spkx1002-6630-200911055

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Comparative Study on Antimutagenic and in vitro Anticancer Activities between Two Kinds of White Tea and Green Tea

WANG Gang1，ZHAO Xin2

(1. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China；
2. Department of Food Science and Nutrition, Pusan National University, Pusan 609-735, Korea)

Received:2008-10-14 Revised:2009-01-10 Online:2009-06-01 Published:2010-12-29
Contact: WANG Gang1 E-mail:beidao2008@163.com

Abstract

Abstract:

Antimutagenic and antitumor effects of two kinds of green tea and white tea products were investigated by Ames test and MTT assay, respectively. Ethanolic extract of white tea displayed significantly higher antimutagenicity against Nmethyl- N'-nitro-N-nitrosoguanidine (MNNG)-induced mutation of nutrient deficiency strain TA100 of Salmonella typhimurium than that of green tea at 1.25 mg/disc and 2.5 mg/disc. At the concentration of 400 μg/ml, Baimudan white tea and Baihaoyinzhen white tea showed better inhibitory effects against the growth of AGS and HT-29 cancer cells than Longjing green tea and Yunwu green tea. These results suggest that the antimutagenic and anticancer effects of white tea are higher than those of green tea.

Key words: white tea, green tea, antimutagenicity, in vitro anticancer

CLC Number:

TS272.5

WANG Gang1，ZHAO Xin2. Comparative Study on Antimutagenic and in vitro Anticancer Activities between Two Kinds of White Tea and Green Tea[J]. FOOD SCIENCE, 2009, 30(11): 243-245 https://doi.org/10.7506/spkx1002-6630-200911055

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Comparative Study on Antimutagenic and in vitro Anticancer Activities between Two Kinds of White Tea and Green Tea

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