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ABSTRACTThe 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 α‐tocopherol and t‐butylhydroxyanisole. However, lignin enhanced the antioxidant effects of α‐tocopherol, epigallocatechin gallate or acetone extracts of used tea leaves, with the antioxidant activity of lignin...
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