Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]

This study aims to determine the antioxidant properties of traditional plants from the Lauraceae family in Sarawak. Twenty selected plants from the Lauraceae family were collected from various mixed dipterocarp forests located in the Kuching and Samarahan Districts of Sarawak. Their antioxidant act...

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Main Authors: Chin, Costance, Khong, Heng Yen, Yi Mian, Vivien Jong
Format: Research Reports
Language:English
Published: Universiti Teknologi MARA Cawangan Sarawak 2009
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Online Access:http://ir.uitm.edu.my/id/eprint/41638/1/41638.pdf
http://ir.uitm.edu.my/id/eprint/41638/
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Institution: Universiti Teknologi Mara
Language: English
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spelling my.uitm.ir.416382021-02-18T05:16:38Z http://ir.uitm.edu.my/id/eprint/41638/ Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.] Chin, Costance Khong, Heng Yen Yi Mian, Vivien Jong R Medicine (General) Medicinal plants (Culture only) This study aims to determine the antioxidant properties of traditional plants from the Lauraceae family in Sarawak. Twenty selected plants from the Lauraceae family were collected from various mixed dipterocarp forests located in the Kuching and Samarahan Districts of Sarawak. Their antioxidant activities were evaluated on the methanolic extracts using the DPPH (2,2-Diphenyl-lrpicrylhydrazyl ) assay as described by Bors et al. (1992). The findings indicated a large variation in the antioxidant activity of which ranged from 14.1 to > 500 gg/rnL with a mean value of 184.1 pg/L. Amongst all the tested methanol extracts of the plant samples, the bark of L. grandis (EC50 value of 14.1 gg/mL) exhibited remarkable antioxidant activity when compared to vitamin E (EC50 value of 13.8 ug/mL) and quercetin (EC50 value of 11.7). In addition, the methanolic extracts of the roots of L. accedens var oblanceolaat, the leaves of Dehaasia longpetiolata and the bark of Beilschmiedia pulverulenta showed EC50 values of less than 30 gg/mL. Universiti Teknologi MARA Cawangan Sarawak 2009-12 Research Reports NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/41638/1/41638.pdf Chin, Costance and Khong, Heng Yen and Yi Mian, Vivien Jong (2009) Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]. [Research Reports] (Unpublished)
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic R Medicine (General)
Medicinal plants (Culture only)
spellingShingle R Medicine (General)
Medicinal plants (Culture only)
Chin, Costance
Khong, Heng Yen
Yi Mian, Vivien Jong
Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
description This study aims to determine the antioxidant properties of traditional plants from the Lauraceae family in Sarawak. Twenty selected plants from the Lauraceae family were collected from various mixed dipterocarp forests located in the Kuching and Samarahan Districts of Sarawak. Their antioxidant activities were evaluated on the methanolic extracts using the DPPH (2,2-Diphenyl-lrpicrylhydrazyl ) assay as described by Bors et al. (1992). The findings indicated a large variation in the antioxidant activity of which ranged from 14.1 to > 500 gg/rnL with a mean value of 184.1 pg/L. Amongst all the tested methanol extracts of the plant samples, the bark of L. grandis (EC50 value of 14.1 gg/mL) exhibited remarkable antioxidant activity when compared to vitamin E (EC50 value of 13.8 ug/mL) and quercetin (EC50 value of 11.7). In addition, the methanolic extracts of the roots of L. accedens var oblanceolaat, the leaves of Dehaasia longpetiolata and the bark of Beilschmiedia pulverulenta showed EC50 values of less than 30 gg/mL.
format Research Reports
author Chin, Costance
Khong, Heng Yen
Yi Mian, Vivien Jong
author_facet Chin, Costance
Khong, Heng Yen
Yi Mian, Vivien Jong
author_sort Chin, Costance
title Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
title_short Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
title_full Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
title_fullStr Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
title_full_unstemmed Antioxidant Activities Of Traditional Medicinal Plants From Lauraceae Family In Sarawak / Costance Chin ... [et al.]
title_sort antioxidant activities of traditional medicinal plants from lauraceae family in sarawak / costance chin ... [et al.]
publisher Universiti Teknologi MARA Cawangan Sarawak
publishDate 2009
url http://ir.uitm.edu.my/id/eprint/41638/1/41638.pdf
http://ir.uitm.edu.my/id/eprint/41638/
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