Influence of drying treatments on antioxidant capacity of forage legume leaves
This study was aimed to investigate the antioxidant capacities of four common forage legume leaves namely, Arachis pintoi (Pintoi), Calapogonium mucunoides (Calapo), Centrosema pubescens (Centro), and Stylosanthes guanensis (Stylo). Two different drying methods (oven-drying and freeze-drying) were e...
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my.upm.eprints.341852016-01-27T02:00:16Z http://psasir.upm.edu.my/id/eprint/34185/ Influence of drying treatments on antioxidant capacity of forage legume leaves Saw, Yei Sang Jamharee, Fazrina Prasad, Krishnamurthy Nagendra Azlan, Azrina Maliki, Nurzillah This study was aimed to investigate the antioxidant capacities of four common forage legume leaves namely, Arachis pintoi (Pintoi), Calapogonium mucunoides (Calapo), Centrosema pubescens (Centro), and Stylosanthes guanensis (Stylo). Two different drying methods (oven-drying and freeze-drying) were employed and antioxidant activities were determined by DPPH, Ferric Reducing Antioxidant Power (FRAP) and β-carotene bleaching assays. Total phenolic content (TPC) was determined using Folin-Ciocalteu assay. Freeze-dried extract showed the highest antioxidant activities by DPPH (EC50 values 1.17–2.13 mg/ml), FRAP (147.08–246.42 μM of Fe2+/g), and β-carotene bleaching (57.11–78.60%) compared to oven drying. Hence, freeze drying treatment could be considered useful in retention of antioxidant activity and phenolic content. Springer 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/34185/1/Influence%20of%20drying%20treatments%20on%20antioxidant%20capacity%20of%20forage%20legume%20leaves.pdf Saw, Yei Sang and Jamharee, Fazrina and Prasad, Krishnamurthy Nagendra and Azlan, Azrina and Maliki, Nurzillah (2014) Influence of drying treatments on antioxidant capacity of forage legume leaves. Journal of Food Science and Technology, 51 (5). pp. 988-993. ISSN 0022-1155; ESSN: 0975-8402 http://link.springer.com/article/10.1007%2Fs13197-011-0596-5 10.1007/s13197-011-0596-5 |
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This study was aimed to investigate the antioxidant capacities of four common forage legume leaves namely, Arachis pintoi (Pintoi), Calapogonium mucunoides (Calapo), Centrosema pubescens (Centro), and Stylosanthes guanensis (Stylo). Two different drying methods (oven-drying and freeze-drying) were employed and antioxidant activities were determined by DPPH, Ferric Reducing Antioxidant Power (FRAP) and β-carotene bleaching assays. Total phenolic content (TPC) was determined using Folin-Ciocalteu assay. Freeze-dried extract showed the highest antioxidant activities by DPPH (EC50 values 1.17–2.13 mg/ml), FRAP (147.08–246.42 μM of Fe2+/g), and β-carotene bleaching (57.11–78.60%) compared to oven drying. Hence, freeze drying treatment could be considered useful in retention of antioxidant activity and phenolic content. |
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Article |
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Saw, Yei Sang Jamharee, Fazrina Prasad, Krishnamurthy Nagendra Azlan, Azrina Maliki, Nurzillah |
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Saw, Yei Sang Jamharee, Fazrina Prasad, Krishnamurthy Nagendra Azlan, Azrina Maliki, Nurzillah Influence of drying treatments on antioxidant capacity of forage legume leaves |
author_facet |
Saw, Yei Sang Jamharee, Fazrina Prasad, Krishnamurthy Nagendra Azlan, Azrina Maliki, Nurzillah |
author_sort |
Saw, Yei Sang |
title |
Influence of drying treatments on antioxidant capacity of forage legume leaves |
title_short |
Influence of drying treatments on antioxidant capacity of forage legume leaves |
title_full |
Influence of drying treatments on antioxidant capacity of forage legume leaves |
title_fullStr |
Influence of drying treatments on antioxidant capacity of forage legume leaves |
title_full_unstemmed |
Influence of drying treatments on antioxidant capacity of forage legume leaves |
title_sort |
influence of drying treatments on antioxidant capacity of forage legume leaves |
publisher |
Springer |
publishDate |
2014 |
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http://psasir.upm.edu.my/id/eprint/34185/1/Influence%20of%20drying%20treatments%20on%20antioxidant%20capacity%20of%20forage%20legume%20leaves.pdf http://psasir.upm.edu.my/id/eprint/34185/ http://link.springer.com/article/10.1007%2Fs13197-011-0596-5 |
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