An Investigation into the Phytochemical Content, Antibacterial Effect, and Antioxidant Capacity of the Ethanol Extract of Salacca wallichiana Mart. Peels

Year 2023, Volume: 82 Issue: 2, 179 - 185, 21.12.2023

Tran Thi Cam Thi , Nguyen Trung Quan , Hoang Thanh Chi , Bui Thi Kim Ly

https://doi.org/10.26650/EurJBiol.2023.1316545

Abstract

Objective: Salacca wallichiana Mart. is a prominent fruit-bearing tree distributed in Southeast Asia and used in treating many diseases and folk remedies. Thus far, only phytochemical composition-related research has been carried out on this plant, while the other bioactivities retarding its applicability in orthodox medicine have been ignored. Screening for the various bioeffects is needed to verify the authenticity of the medicinal activities of plants.

Materials and Methods: Following Ciulei separation, the phytochemical contents of the fruit peel extracts were determined. The antioxidant effect was evaluated by performing the free radical scavenging and potassium ferricyanide-reducing antioxidant power assays. Agar diffusion and broth dilution methods were used to ascertain the antibacterial capacity, and then the minimal inhibitory concentration (MICs) and MBCs were calculated.

Results: The results illustrated a robust free radical scavenging but a weak reducing activity. The MIC against Gram-positive bacteria was <4 mg/mL. The phytochemical composition included tannins and flavonoids, cardiac glycosides, organic acids, and reducing sugars.

Conclusion: The extracts of S. wallichiana peels demonstrated a potential antioxidant activity along with lethality against Gram- positive bacteria, which was attributed to the diversity in the contents of secondary metabolites.

Keywords

Salacca wallichiana, antioxidant, phytochemicals, antibacterial

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