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Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties

This study aimed to compare the antioxidant content and antioxidant capacity of pulp and peel of two varieties of pomelo fruit (Tambun White and Tambun Pink). Antioxidants including total phenolic content, total flavonoid content and ascorbic acid content were determined using Folin-Ciocalteu reagen...

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Hoofdauteurs: Toh, Jing Jing, Khoo, Hock Eng, Azlan, Azrina
Formaat: Artikel
Taal:English
Gepubliceerd in: Faculty of Food Science and Technology, Universiti Putra Malaysia 2013
Online toegang:http://psasir.upm.edu.my/id/eprint/29752/1/Comparison%20of%20Antioxidant%20Content%20and%20Activity%20between%20Varieties%20of%20Pomelo%20%28Citrus%20Grandis%20%28L%29%20Osbeck%29.pdf
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spelling oai:psasir.upm.edu.my:29752 http://psasir.upm.edu.my/id/eprint/29752/ Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties Toh, Jing Jing Khoo, Hock Eng Azlan, Azrina This study aimed to compare the antioxidant content and antioxidant capacity of pulp and peel of two varieties of pomelo fruit (Tambun White and Tambun Pink). Antioxidants including total phenolic content, total flavonoid content and ascorbic acid content were determined using Folin-Ciocalteu reagent assay, aluminium chloride colorimetric assay and AOAC method, respectively. Antioxidant capacity of pomelo pulp and peel was measured using ferric reducing antioxidant potential and trolox equivalent antioxidant capacity assays. The peels of both pomelo fruits had higher antioxidant content and capacity than their pulps. Moreover, the white variety of pomelo had higher antioxidant content and capacity compared to the pink counterpart. Trolox equivalent antioxidant capacity of the samples was positively high correlated with total phenolic content (r = 0.978) and total flavonoid content (r =0.959), except for ascorbic acid. Therefore, pomelo peel from white variety possessed higher antioxidant properties and it is potentially rich sources of natural antioxidants. Faculty of Food Science and Technology, Universiti Putra Malaysia 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/29752/1/Comparison%20of%20Antioxidant%20Content%20and%20Activity%20between%20Varieties%20of%20Pomelo%20%28Citrus%20Grandis%20%28L%29%20Osbeck%29.pdf Toh, Jing Jing and Khoo, Hock Eng and Azlan, Azrina (2013) Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties. International Food Research Journal, 20 (4). pp. 1661-1668. ISSN 1985-4668; ESSN: 2231-7546 http://www.ifrj.upm.edu.my/volume-20-2013.html
institution UPM IR
collection UPM IR
language English
description This study aimed to compare the antioxidant content and antioxidant capacity of pulp and peel of two varieties of pomelo fruit (Tambun White and Tambun Pink). Antioxidants including total phenolic content, total flavonoid content and ascorbic acid content were determined using Folin-Ciocalteu reagent assay, aluminium chloride colorimetric assay and AOAC method, respectively. Antioxidant capacity of pomelo pulp and peel was measured using ferric reducing antioxidant potential and trolox equivalent antioxidant capacity assays. The peels of both pomelo fruits had higher antioxidant content and capacity than their pulps. Moreover, the white variety of pomelo had higher antioxidant content and capacity compared to the pink counterpart. Trolox equivalent antioxidant capacity of the samples was positively high correlated with total phenolic content (r = 0.978) and total flavonoid content (r =0.959), except for ascorbic acid. Therefore, pomelo peel from white variety possessed higher antioxidant properties and it is potentially rich sources of natural antioxidants.
format Article
author Toh, Jing Jing
Khoo, Hock Eng
Azlan, Azrina
spellingShingle Toh, Jing Jing
Khoo, Hock Eng
Azlan, Azrina
Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
author_facet Toh, Jing Jing
Khoo, Hock Eng
Azlan, Azrina
author_sort Toh, Jing Jing
title Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
title_short Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
title_full Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
title_fullStr Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
title_full_unstemmed Comparison of antioxidant properties of pomelo [Citrus Grandis (L) Osbeck] varieties
title_sort comparison of antioxidant properties of pomelo [citrus grandis (l) osbeck] varieties
publisher Faculty of Food Science and Technology, Universiti Putra Malaysia
publishDate 2013
url http://psasir.upm.edu.my/id/eprint/29752/1/Comparison%20of%20Antioxidant%20Content%20and%20Activity%20between%20Varieties%20of%20Pomelo%20%28Citrus%20Grandis%20%28L%29%20Osbeck%29.pdf
_version_ 1819295256690032640
score 13.4562235

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