Antioxidant activity of pitcher extracts from three Nepenthes species
Nepenthes, locally known as ‘periuk kera’ in Malaysia, is a fascinating species due to uniqueness in their morphology in having pitcher organ for carnivorous diet. The pitcher plant has been used for cooking traditional delicacies and as traditional remedies to treat illness. Hence, this species mig...
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Penerbit Universiti Kebangsaan Malaysia
2018
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my-ukm.journal.129292019-05-15T11:08:34Z http://journalarticle.ukm.my/12929/ Antioxidant activity of pitcher extracts from three Nepenthes species Muhammad Aqil Fitri Rosli, Kamalrul Azlan Azizan, Goh, Hoe-Han Nepenthes, locally known as ‘periuk kera’ in Malaysia, is a fascinating species due to uniqueness in their morphology in having pitcher organ for carnivorous diet. The pitcher plant has been used for cooking traditional delicacies and as traditional remedies to treat illness. Hence, this species might possess beneficial health properties. This study aimed to compare the antioxidant activity of the pitcher extracts from Nepenthes ampullaria, Nepenthes rafflesiana and their hybrid, Nepenthes × hookeriana. The samples were extracted using methanol:chloroform:water (3:1:1) via sonication assisted extraction and the extracts were subjected to three different antioxidant assays, namely 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing power (FRAP) and total phenolic content (TPC). Extract from N. ampullaria exhibited the strongest radical scavenging activity (0.148 ± 0.04 mg/mL) with the highest ferric reducing power (0.009 ± 0.003 mg GA/mg dry weight) among the three species, whereas that of N. rafflesiana possessed the highest phenolic content (0.057 ± 0.017 mg GA/mg dry weight). However, the antioxidant capacities of the pitcher extracts were not significantly different (p>0.05) between the three species and were much lower than the gallic acid as a standard reference. Penerbit Universiti Kebangsaan Malaysia 2018-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/12929/1/17%20Muhammad%20Aqil%20Fitri%20Rosli.pdf Muhammad Aqil Fitri Rosli, and Kamalrul Azlan Azizan, and Goh, Hoe-Han (2018) Antioxidant activity of pitcher extracts from three Nepenthes species. Sains Malaysiana, 47 (12). pp. 3069-3075. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid47bil12_2018/KandunganJilid47Bil12_2018.html |
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Nepenthes, locally known as ‘periuk kera’ in Malaysia, is a fascinating species due to uniqueness in their morphology in having pitcher organ for carnivorous diet. The pitcher plant has been used for cooking traditional delicacies and as traditional remedies to treat illness. Hence, this species might possess beneficial health properties. This study aimed to compare the antioxidant activity of the pitcher extracts from Nepenthes ampullaria, Nepenthes rafflesiana and their hybrid, Nepenthes × hookeriana. The samples were extracted using methanol:chloroform:water (3:1:1) via sonication assisted extraction and the extracts were subjected to three different antioxidant assays, namely 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing power (FRAP) and total phenolic content (TPC). Extract from N. ampullaria exhibited the strongest radical scavenging activity (0.148 ± 0.04 mg/mL) with the highest ferric reducing power (0.009 ± 0.003 mg GA/mg dry weight) among the three species, whereas that of N. rafflesiana possessed the highest phenolic content (0.057 ± 0.017 mg GA/mg dry weight). However, the antioxidant capacities of the pitcher extracts were not significantly different (p>0.05) between the three species and were much lower than the gallic acid as a standard reference. |
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Article |
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Muhammad Aqil Fitri Rosli, Kamalrul Azlan Azizan, Goh, Hoe-Han |
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Muhammad Aqil Fitri Rosli, Kamalrul Azlan Azizan, Goh, Hoe-Han Antioxidant activity of pitcher extracts from three Nepenthes species |
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Muhammad Aqil Fitri Rosli, Kamalrul Azlan Azizan, Goh, Hoe-Han |
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Muhammad Aqil Fitri Rosli, |
title |
Antioxidant activity of pitcher extracts from three Nepenthes species |
title_short |
Antioxidant activity of pitcher extracts from three Nepenthes species |
title_full |
Antioxidant activity of pitcher extracts from three Nepenthes species |
title_fullStr |
Antioxidant activity of pitcher extracts from three Nepenthes species |
title_full_unstemmed |
Antioxidant activity of pitcher extracts from three Nepenthes species |
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antioxidant activity of pitcher extracts from three nepenthes species |
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Penerbit Universiti Kebangsaan Malaysia |
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2018 |
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http://journalarticle.ukm.my/12929/1/17%20Muhammad%20Aqil%20Fitri%20Rosli.pdf http://journalarticle.ukm.my/12929/ http://www.ukm.my/jsm/malay_journals/jilid47bil12_2018/KandunganJilid47Bil12_2018.html |
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