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Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue

Link to publisher's homepage at http://www.food.upm.edu.my/

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Main Authors: Zarina, Zakaria, Dr., S., Y. Tan
Other Authors: zarinaz@unimap.edu.my
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Published: Faculty of Food Science & Technology, UPM. 2014
Subjects:
Citrus grandis
Flavonoids
Inhibition
Lipid peroxidation
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/35740
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spelling my.unimap-357402014-06-20T07:21:28Z Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue Zarina, Zakaria, Dr. S., Y. Tan zarinaz@unimap.edu.my Citrus grandis Flavonoids Inhibition Lipid peroxidation Link to publisher's homepage at http://www.food.upm.edu.my/ The peels of pomelo contribute 30% of the fruit weight and yet it has been dump without recognizing the possible nutritional value of the peels. Study has been carried out to identify flavonoid content of the peels and analysed the activity of the flavonoid towards inhibition of lipid peroxidation. Optimization of flavonoid extraction was conducted using aqueous solvent (methanol and ethanol), extraction time (1-3 h) and extraction temperature (50°C-80°) via water bath extraction. The total content of flavonoids was quantitatively determined by using coloration methods with chromogenic system of NaNO2-Al (NO3)3-NaOH and and it was found that the extraction at 65°C for 2 h in aqueous ethanol was the optimized condition for maximum flavonoids i.e. 190.42mg/L. A spectrophometric analysis was performed to evaluate flavonoid activity towards lipid peroxidation in the fish tissue. There was reduction in Peroxide value (PV) indicated the inhibition of lipid peroxidation in fish treated with pomelo peel as evidence of concurrency of positive flavonoid activity. 2014-06-20T07:21:28Z 2014-06-20T07:21:28Z 2013 International Food Research Journal, vol. 20(1), 2013, pages 313-317 19854668(Print) 22317546(Online) http://www.ifrj.upm.edu.my/volume-20-2013.html http://dspace.unimap.edu.my:80/dspace/handle/123456789/35740 Faculty of Food Science & Technology, UPM.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
topic Citrus grandis
Flavonoids
Inhibition
Lipid peroxidation
spellingShingle Citrus grandis
Flavonoids
Inhibition
Lipid peroxidation
Zarina, Zakaria, Dr.
S., Y. Tan
Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
description Link to publisher's homepage at http://www.food.upm.edu.my/
author2 zarinaz@unimap.edu.my
author_facet zarinaz@unimap.edu.my
Zarina, Zakaria, Dr.
S., Y. Tan
format
author Zarina, Zakaria, Dr.
S., Y. Tan
author_sort Zarina, Zakaria, Dr.
title Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
title_short Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
title_full Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
title_fullStr Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
title_full_unstemmed Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
title_sort determination of flavonoids in citrus grandis (pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue
publisher Faculty of Food Science & Technology, UPM.
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/35740
_version_ 1643797891832086528
score 13.222552

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