Phytochemical Composition, Antioxidant, Anti-<i>Helicobacter pylori</i>, and Enzyme Inhibitory Evaluations of <i>Cleistocalyx operculatus</i> Flower Bud and Leaf Fractions.

ABSTRACT: Six solvent fractions isolated from flower bud and leaf ethanolic extracts of Cleistocalyx operculatus were analyzed for their phytochemical contents, including phenolics, flavonoids, saponins, tannins, and alkaloids. Antioxidant activities were measured using the ABTS, DPPH, and FRAP assays. The results showed that the flower bud aqueous fraction (BAF) and the leaf aqueous fraction (LAF) rich in phenolic content (768.18 and 490.74 mg GAE/g dry extract, respectively) exhibited significantly higher antioxidant activities than the other fractions. The flower bud hexane fraction (BHF) had remarkably high flavonoid and saponin contents (134.77 mg QE/g and 153.33 mg OA/g dry extract, respectively), followed by that of the leaf hexane fraction (LHF) (76.54 mg QE/g and 88.25 mg OA/g dry ex

SUBMITTER: Thanh DT 

PROVIDER: S-EPMC11503338 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature