Comparative Studies on Antioxidant Activities of Green Tea and Four Tree-type Non-Camellia Teas
10.11842/wst.2013.07.007
- VernacularTitle:绿茶与4种乔木型别样茶抗氧化活性比较研究
- Author:
Wanying WANG
;
Wei XIAO
;
Lijia XU
;
Yong PENG
;
Chunnian HE
;
Peigen XIAO
- Publication Type:Journal Article
- Keywords:
Eagle tea;
Large-leaved Kuding tea;
Shiya tea;
Qingqianliu tea;
antioxidant activity
- From:
World Science and Technology-Modernization of Traditional Chinese Medicine
2013;(7):1526-1531
- CountryChina
- Language:Chinese
-
Abstract:
This article was aimed to compare the antioxidant activities of Green tea and four tree-type non-Camellia teas. The antioxidant activities of the water extract of Green tea, Eagle tea, Large-leaved Kuding tea, Shiya tea and Qingqianliu tea were evaluated with four different in vitro assays including 1,1-diphenyl-2-picryl-hydrazyl (DPPH), ferric-reducing antioxidant power (FRAP), ferrous ion-chelating (FIC) and β-carotene-linoleate bleaching assay. In addition, the polyphenol contents of different teas were estimated by the Folin-Ciocalteu assay. The results showed that Shiya tea had strong antioxidant activity; its FIC and FRAP abilities are better compared with Green tea. The Eagle tea and Large-leaved Kuding tea have better antioxidant activity. The FRAP activity of Large-leaved Kuding tea was better than green tea. The DPPH of Eagle tea and Large-leaved Kuding tea were slightly lower than Green tea, but higher than the butylated hydroxytoluene (BHT). The antioxidant ability of Qingqianliu tea was the lowest. It was concluded that Shiya tea, Eagle tea, Large-leaved Kuding tea had relatively high development value which re-quires in-depth research and promotion.
