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12 (2) 2022

Antioxidant activity of isolated compounds from ethyl acetate extract of Bruguiera parviflora


Author - Affiliation:
Bui Thanh Tung - Vietnam Academy of Science and Technology (VAST), Ho Chi Minh City , Vietnam
Nguyen Thi Le Thuy - Ho Chi Minh City Open University, Ho Chi Minh City , Vietnam
Corresponding author: Nguyen Thi Le Thuy - thuy.ntl@ou.edu.vn
Submitted: 27-05-2022
Accepted: 17-08-2022
Published: 04-11-2022

Abstract
Bruguiera parviflora belongs to Bruguiera genus, which possesses several biological activities such as antidiabetic, anti-inflammatory, and antioxidant. Phytochemical investigation of the ethyl acetate extract from Bruguiera parviflora leaves was carried out bioassay-guided isolation and obtained three known compounds, namely kochioside A (1), oleanolic acid (2) and quercitrin (3). The chemical structures of isolated compounds were identified by spectroscopic method and comparison with previously published data. All isolated compounds were evaluated for antioxidant activity with the free radical scavenging ability on 1,1-diphenyl-2-picrylhydrazyl (DPPH). Among them, quercitrin (3) was the most potent compound against DPPH radical with the IC50 value of 16.4 ± 0.2 µg/mL, compared to vitamin C, which was used as a positive control.

Keywords
antioxidant; bioactivity; Bruguiera parviflora; DPPH; mangrove plant; phytochemical

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Cite this paper as:

Bui, T. T., & Nguyen, T. T. L. (2022). Antioxidant activity of isolated compounds from ethyl acetate extract of Bruguiera parviflora. Ho Chi Minh City Open University Journal of Science – Engineering and Technology, 12(2), 42-49. doi:10.46223/HCMCOUJS.tech.en.12.2.2329.2022


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DOI: https://doi.org/10.46223/HCMCOUJS.tech.en.12.2.2329.2022
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