Emodin anthrone is a natural product belongs to the class of organic compounds known as anthracenes.?

Calcitonin, eel is the thyroid hormone peptide that contributes to the regulation of calcium homeostasis, widely used in the research of postmenopausal osteoporosis.

Quercetin 7-glucuronide (Quercetin 7-O-β-glucuronide), a metabolite of Quercetin, can be isolated from Madagascarian Uncarina species. Quercetin 7-glucuronide can inhibit LDL oxidation.