普洱茶提取物抗氧化及其对Na2S2O3诱导HUVEC损伤的保护作用

doi:10.13305/j.cnki.jts.2010.06.012

Abstract

Abstract: Extracts of raw and ripe Pu-erh tea were prepared from tea dust during processing. The antioxidtive activities of extracts were evaluated by ABTS and FRAP systems. The potentially protective effects of extracts on human umbilical vascular endothelial cells(HUVEC) were investigated in Na₂S₂O₃-induction model. The results showed that the extract of raw Pu-erh tea had stronger antioxidtive activity than that of ripe Pu-erh tea in both test systems. But extract of ripe Pu-erh tea showed a less protective effect than that of extract of raw Pu-erh tea on the HUVEC cell damage induced by Na₂S₂O₃, and relevent with tea polyphenols under certain concentrations.

Key words: Pu-erh tea, antioxidant, HUVEC, protective effect

CLC Number:

WANG Yue-fei, LUO Zi-hua, WU Xin-rong, CHEN Hong-bo, XU Ping, YANG Xian-qiang. Antioxidtive Activities of Pu-erh Tea Extracts and Their Protective Effect on HUVEC Damage Induced by Na₂S₂O₃[J]. Journal of Tea Science, 2010, 30(6): 475-481.

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Antioxidtive Activities of Pu-erh Tea Extracts and Their Protective Effect on HUVEC Damage Induced by Na₂S₂O₃

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Antioxidtive Activities of Pu-erh Tea Extracts and Their Protective Effect on HUVEC Damage Induced by Na2S2O3

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Antioxidtive Activities of Pu-erh Tea Extracts and Their Protective Effect on HUVEC Damage Induced by Na₂S₂O₃