Bangle rhizome (Zingiber montanum) is a medicinal plant with potential as a natural source of antioxidants owing to its phenolic and flavonoid contents. This study aimed to determine the total flavonoid content (TFC) and total phenolic content (TPC) of the ethanolic extract of a bangle rhizome, to evaluate the antioxidant activity of the selected fractions, and to identify the major antioxidant…