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Antioxidant Activities of Different Aerial Parts of Putat (Barringtonia racemosa L.)

Nurul Mariam H., and Radzali M., and Johari R., and Syahida A, and Maziah M., (2008) Antioxidant Activities of Different Aerial Parts of Putat (Barringtonia racemosa L.). Malaysian Journal of Biochemistry and Molecular Biology, 16 (2). pp. 15-19. ISSN ISSN 1511-2616

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Official URL: http://ejum.fsktm.um.edu.my/ArticleInformation.aspx?ArticleID=647

Affiliations

Universiti Putra Malaysia, Faculty of Biotechnology and Biomolecular Sciences, Dept. of Biochemistry
Universiti Putra Malaysia, Faculty of Biotechnology and Biomolecular Sciences, Dept. of Biochemistry
Universiti Putra Malaysia, Faculty of Biotechnology and Biomolecular Sciences, Dept. of Biochemistry
Universiti Putra Malaysia, Faculty of Biotechnology and Biomolecular Sciences, Dept. of Biochemistry
Universiti Putra Malaysia, Faculty of Biotechnology and Biomolecular Sciences, Dept. of Biochemistry

Abstract

The antioxidant activities of methanolic, ethanolic and boiling water extracts of Barringtonia racemosa leaves, sticks, and barks were studied and their contents of total phenolics, flavonoids and carotenoids were measured. Methanolic extracts of aerial parts of the plant contained relatively higher levels of total phenolics than other extracts (leaf: 16.2 ± 0.02 mg gallic acid equivalent/g freeze dried-weight (FDW) tissue, stick: 29.9 ± 0.02 mg gallic acid equivalent/g FDW tissue, bark: 21.78 ± 0.20 mg gallic acid equivalent/g FDW tissue). The ethanolic extracts in aerial parts gave higher levels of total flavonoid (leaf: 38.55 ± 2.75 mg rutin/g FDW tissue, stick: 40.72 ± 5.91 mg rutin/g FDW tissue, bark: 68.29 ± 9.63 mg rutin/g FDW tissue). The amounts of β-carotene and lycopene were found higher in methanolic and ethanolic extracts of the leaf (342.2 ± 8.79 μg β-carotene/g FDW tissue, 77.38 ± 4.61μg lycopene/g freeze dried-weight tissue; 356.9 ± 0.93 μg β-carotene/g FDW tissue, 99.3 ± 5.29 μg lycopene/g FDW tissue, respectively). The methanolic and ethanolic extracts in all aerial parts tested exhibited very strong antioxidant properties when compared to butylated hydroxytoluene (BHT), ascorbic acid and α-tocopherol in the free radical scavenging and reducing power assays.

Item Type:Journal
Keywords:Barringtonia Racemosa, Putat, Aerial Parts, Antioxidant
Subjects:Q Science, Computer Science
ID Code:5272

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