Question

Hibiscus rosa si.Ensis family and chemical constituents

Answer 1

Hibiscus rosa-sinesis belongs to family Malvaceae.

Chemical constituents:

15%-30% of the plant is made up of plant acids, including citric, malic, tartaric acids and allo-hydroxycitric acid lactone—i.e. hibiscus acid, which is specific to this plant. Other chemical constituents are many, including alkaloids, L-ascorbic acid, anthocyanin, Beta-carotene, Beta-sitosterol, citric acid, polysaccharides arabins and arabinogalactans, quercetin, gossypetin and small amounts of galactose, arabinose, glucose, xylose, mannose and rhamnose.