Phenolic and flavonoid compounds isolated from ethyl acetate fraction of Helicteres hirsuta Lour. collected in Thua Thien Hue

To isolate and determine chemical structure of compounds from Helicteres hirsuta Lour. Subjects and methods: The aerial part of the Helicteres hirsuta Lour. collected in A Luoi district, Thua Thien Hue province in March 2019 were powdered and extracted with different solvents including ethyl acetate.