HR-LCMS based metabolite profiling of methanolic leaf extract of Terminalia Pallida Brandis and its antioxidant potential

Abstract

Terminalia species are being reported as medicinally useful. Terminalia pallida Brandis is one of the plants of the family Combretaceae. The aim of the present study is to catalog the phytochemical distribution and to validate the antioxidant potential of methanolic leaf extract (METP). Antioxidant potential of methanolic leaf extract was estimated by DPPH assay and phytochemical distribution was assessed by HR-LCMS analysis. The antioxidant test result of leaf extract displayed a potential free radical scavenging effect at test concentrations (p<0.001). In HR-LC-MS study a total of 29 bioactive compounds of a variety of chemical classes like flavanoids, alkaloids, fatty acids, diterpenoids, glycosides, amino acids and polyphenols etc were identified in both positive & negative ion mode, and among these few compounds possessed various biological activities. Based on these obtained results, it is concluded that METP constitute 29 bioactive compounds and possess potential antioxidant property in concentration dependent manner.

Keywords

• Antioxidant activity
• HR-LCMS
• Methanol
• Terminalia pallida Brandis

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