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Contents of compounds in T. hemsleyanum FD-TRs. Sp, Spring; Su, Summer; Au, Autumn; Wi, Winter. (A) protocatechuic acid, (B) catechin, (C) chlorogenic acid, (D) orientin, (E) polydatin, (F) isoquercitrin, (G) nictoflorin, (H) piceatannol; (I) astragaline; (J) resveratrol, and (K) kaempferol. Bars represent means + SE (n = 5). Bars bearing the same letter are not significantly different.
