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Typical chromatograms of the standard mixture (A) and WCA methanol extract (B) at 230, 254, 280 nm. (1) naringin; (2) hesperedin; (3) neohesperedin; (4) aloe-emodin; (5) rhein; (6) emodin; (7) honokiol; (8) dehydrodehydrocostus lactone; (9) costunolide; (10) magnolol; (11) chrysophanol; (12) physcion.
