Norlia, Muhamad (2014) Influence of Solvent Polarity and Conditions on Extraction of Antioxidant, Flavonoids and Phenolic Content from Averrhoa bilimbi. Journal of Food Science and Engineering, 4 (1). pp. 255-260. ISSN 2164-5795
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Abstract
This paper presents the influence of solvent polarity and extraction conditions on the extraction of total flavonoid, total phenolic and antioxidants from Averrhoa bilimbi. The experiment was performed using a different solvent at different extraction conditions, including extraction time (15-240 min), temperature (30-70 °C) and agitation speed (50-300 rpm). Results showed that yields of extraction varies with solvent polarity. Extraction using 50% aqueous methanol gives the highest antioxidant activity and flavonoid content. The highest total flavonoid content (193.3 μg quercetin equivalent/g dry weight), total phenolic content (717.8 μg gallic acid equivalent/g dry weight) and antioxidant activity (77%) was achieved using 50% methanol, at 70 °C and agitation speed of 300 rpm. This work may be useful for obtaining higher bioactive compounds during the extraction process of A. bilimbi.
Item Type: | Article |
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Uncontrolled Keywords: | Extraction, flavonoid, belimbing buluh, phenolic, antioxidant |
Subjects: | S Agriculture > SB Plant culture |
Divisions: | Faculty of Bio-resources & Food Industry |
Depositing User: | Rafidah M.Saaid |
Date Deposited: | 26 Jan 2022 07:10 |
Last Modified: | 26 Jan 2022 07:10 |
URI: | http://eprints.unisza.edu.my/id/eprint/4908 |
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