Figure 1

Determination of polysaccharide and alkaloid contents in four different organs of D. officinale L. (a) Samples from different organs of D. officinale L. (b) Determination of polysaccharide contents in four organs, including flower, leaf, stem and root, of D. officinale L. (c) Determination of alkaloid contents in four organs, including flower, leaf, stem and root, of D. officinale L.