Cặn chết etylaxetat

The total alkaloid and non-alkaloid fractions were extracted from the leave of Ficus hispida L., colleted in Nghe An province. Its cytotoxicity in vitro against three cancer cell lines has been investigated. The cytotocic activities of total alkaloids against these cancer cell lines are very strong than that of non-alkaloid fraction. From non-alkaloid part, betulinic acid was isolated and its structure was elucidated by spectroscopic methods.

5p uocvong04 24-09-2015 50 5   Download