Lotus leaf extract is derived from the dried leaves of Nymphaeae. Summer and autumn harvest, sun into 70 or 80 dry, remove petiole, fold into a semicircle or folding fan, dry.
Lotine is an aporphine alkaloid in lotine leaf, which is the main lipid-lowering active ingredient in lotine leaf. The sun dried and crushed lotus leaves were extracted by cellulase pretreatment, dilute hydrochloric acid extraction, ultrasonic assisted extraction and chloroform extraction. Among them, the lotus leaf in Shicheng producing area of Jiangxi has the highest content of lotus leaf.
According to traditional Chinese medicine, lotus leaves taste bitter, flat, liver, spleen, stomach, heart meridian. It has the effect of clearing heat and dampness, raising hair and clearing Yang, cooling blood and stopping bleeding. The alkaloids in lotus leaf have the effect of lowering blood lipids, anti-free radicals, inhibiting hypercholesterolemia and arteriosclerosis, and the therapeutic effect of diet, but also have the effect of anti-mitosis, has a strong antibacterial effect.