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DPPH, 2, 2-Diphenyl-1-Picrylhydrazyl; LSD, least-significant differences; HBK, Korean honeysuckle berry; HBC, Chinese honeysuckle berry. Values are expressed as mean ± SD. Significant compared to the control (100 µM Trolox-treated) by LSD test. **P < 0.01; *P < 0.05.
