The extracts used in the study were standardized by determining the content of flavonoids, and the sum of caffeic acid derivatives (caffeoyl glucarates and caffeoly quinic acids) and caffeic acid using HPLC method.
The extracts used in the study were standardized by determining the content of flavonoids, and the sum of caffeic acid derivatives (caffeoyl glucarates and caffeoly quinic acids) and caffeic acid using HPLC method.