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Reactions of extracts with DPPH
1: Young herb methanol, 2: Young root methanol, 3: Mature herb methanol, 4: Mature root methanol,
5: Young herb aqueous, 6: Young root aqueous, 7: Mature herb aqueous, 8: Mature root aqueous, Pg: Propyl gallate, DPPH: 2,2-Diphenyl-1-picrylhydrazyl
