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  1. University of Yangon
  2. Department of Chemistry

Investigation of the Antioxidant Activity of Cydonia cathayensis Hemsl. (Chinsaw-ga) Fruit

http://hdl.handle.net/20.500.12678/0000002022
http://hdl.handle.net/20.500.12678/0000002022
ce3f4675-bbc4-44f0-8d48-9f8b93d56786
0c478168-e9f0-4ff4-a078-5764fd12292e
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Investigation Investigation of the Antioxidant activity of Cydonia cathayensi Hemsl. (Chinsaw-ga) fruit.pdf (4022 Kb)
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Journal article
Upload type
Publication
Title
Title Investigation of the Antioxidant Activity of Cydonia cathayensis Hemsl. (Chinsaw-ga) Fruit
Language en
Publication date 2008
Authors
San San Oo
Description
This paper presents the determination of the antioxidant activity of chinsaw-ga fruit (Cydonia cathayensis Hemsl.). Free radicals can cause oxidative damage to biomolecules of living systems. Antioxidants which scavenge free radicals can prevent the oxidation of biomolecules. Firstly, rapid screening of antioxidant activity of 95% ethanol, ethyl acetate and watery extracts of Cydonia cathayensis fruit were carried out by dot-blot and DPPH staining method. After achieving the results which shewed radical scavenging activity, antioxidant activity of these fruit extracts were determined by DPPH assay using UV-Vis spectrophotometric method. In this assay, ascorbic acid (vitamin C) was used as a standard. Antioxidant activity is expressed as 50% inhibition concentration (IC50) values. The lower IC50value indicates the greater antioxidant activity. IC50 values for ethyl acetate, ethanol and watery extracts of Cydonia cathayensis fruit were found to be 32.51, 20.51 and 34.12 µg/mL respectively. Ethanol extract showed the most potent antioxidant activity.
Keywords
Antioxidant activity
Identifier https://uyr.uy.edu.mm/handle/123456789/524
Journal articles
3
Universities Research Journal (URJ)
1
Conference papaers
Books/reports/chapters
Thesis/dissertations
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