Fig. 4From: Identification of seeds based on molecular markers and secondary metabolites in Senna obtusifolia and Senna occidentalis HPLC fingerprints of five S. obtusifolia (a) and S. occidentalis samples (b). Standard references from 1 to 5 represented aurantio-obtusin, emodin, aloe-emodin, chrysophanol and physcion, respectivelyBack to article page