Chinese Name Yuzhu Latin Rhizoma Polygonati Odorati English Name Fragrant Solomonseal Rhizome Key Characteristics Herb that tonifies yin Source Dried rhizome of Polygonatum odoratum (Mill.) Druce. Property, Flavor and Meridians Entered Sweet, slightly cold; Lung, Stomach Actions To nourish yin, promote the production of body fluids, and relieve dryness syndrome Indications Impairment of yin of the lung and stomach with dry cough, dryness of the throat and thirst, wasting thirst due to internal heat, in addition, used for rheumatic heart disease, heart failure, hyperlipemia, hypertension, atrophic gastritis and chloasma Chemical Composition It contains steroidal saponin, flavone, amino acid, etc.