Chinese herbal medicine yam efficacy and role

1. Activating

blood circulation and dredging collaterals.

2.

Removing rheumatism.

. Antitussive

expectorant. From the perspective of modern pharmacology, the total saponins, water-soluble or water-insoluble saponins and other active ingredients in Rhizoma Nipponicae can play a certain antitussive and expectorant role.