The HPLC–DAD assay showed the presence of mostly tannins and flavonoids, such as caffeic acid and quercetin. The levels of polyphenols and flavonoids were 183.136 mg/g extract and 7.37 mg/g extract, respectively.
The HPLC–DAD assay showed the presence of mostly tannins and flavonoids, such as caffeic acidand quercetin. The levels of polyphenols and flavonoids were 183.136 mg/g extract and 7.37 mg/gextract, respectively.