Yu Zhu Rhizoma Polygonati Odorati Slice (12 OZ) Yu Zhu Rhizoma Polygonati Odorati Enrich the lung and stomach Yin without cloying, restore fluids injured by external pathogens. Belongs to the lung and stomach Channels Nourishes Yin and moistens dryness. Generates fluids and halts thirst. Description: Yu Zhu enrich the lung and stomach Yin without cloying, restore fluids injured by external pathogens. Belongs to the lung and stomach Channels. Nourishes Yin and moistens dryness. Generates fluids and halts thirst. Yu Zhu Sailing Boat herb we sell is of premium quality. Our Chinese herbs are mostly wild harvested but some herbs are farm grown to protect their natural habitats and meet increasing market demands. The harvests of right species at proper maturity are identified by experienced professionals, cleaned, cut or sliced, and dried.