Bio-Botanica, Inc. Dong Quai Root In Propylene Glycol is a product belonging to the plant family Apiaceae. Its Latin name is Angelica sinensis. The key chemical constituents include coumarins, volatile oil, including butylidenephthalide, ligustilide, vitamin B12, and beta-sitosterol. This product falls into the functional categories of food, beverage, and dietary supplements, with a focus on women's health, digestive health, bone and joint support, and cardiovascular health.