科研之友
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摘要
The antioxidant capacity of lignin from used green tea leaves was evaluated by measuring its effects on the autoxidation of linoleic acid. Autoxidation of linoleic acid was reduced by 50% in the presence of tea leaf lignin. This effect was weaker than that of alpha-tocopherol and t-butylhydroxyanisole. However, lignin enhanced the antioxidant effects of alpha-tocopherol, epigallocatechin gallate or acetone extracts of used tea leaves, with the antioxidant activity of lignin + acetone extracts of used tea leaves being nearly equivalent to that of alpha-tocopherol and t-butylhydroxyanisole.
- 出版日期2010-3
