Quantitative Identification of Antioxidant Basis for Dendrobium Nobile Flower by High Performance Liquid Chromatography-Tandem Mass Spectrometry

Figure 7

Detailed Proportion of antioxidant activities associated metabolites in flower compared to root, stem, leaf, and fruit. (a) Antioxidant activities associated amino acid and its derivatives. (b) Antioxidant activities associated organic acid and its derivatives. (c) Antioxidant activities associated flavonoids. CSCF/CSCA the contents of one specific component in flower to the contents of this component in all of root, stem, leaf, flower, and fruit.

(a)

(b)

(c)