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三叶野百合(Howard)豆荚和种子提取物的自由基清除和抗氧化活性-一种未充分利用的豆科植物。

The free radical scavenging and antioxidant activities of pod and seed extract of Clitoria fairchildiana (Howard)- an underutilized legume.

机构信息

Centre for Drug Research, Universiti Sains Malaysia, Penang, 11800 Malaysia.

Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang, 11800 Malaysia.

出版信息

J Food Sci Technol. 2013 Jun;50(3):535-41. doi: 10.1007/s13197-011-0370-8. Epub 2011 Apr 12.

Abstract

We evaluated the phenolic content and antioxidant capacities of pod and seed extracts (in methanol, ethanol, and water) of an underutilized legume, Clitoria fairchildiana (Howard). The antioxidant capacity of the extracts was determined using the ferric reducing antioxidant potential assay, and the free radical-scavenging capacity was evaluated using 2,2-diphenyl-1-picrylhydrazyl radical-scavenging and ABTS assays. In addition, the total flavonoids, flavonols, and tannin contents were also determined. Overall, the methanol extracts of the pod contained high concentration of phenolics and showed high antioxidant capacities compared to seed extracts. In addition, a positive correlation was found between total phenol and tannin versus antioxidant capacity. Results of the present study indicate pods and seeds of C. fairchildiana to possess rich amount of natural antioxidants, and can be further explored for their possible use as a natural additive in food or in pharmaceutical industries.

摘要

我们评估了一种未充分利用的豆类植物——三指毛桃(Clitoria fairchildiana)豆荚和种子提取物(甲醇、乙醇和水)的酚类含量和抗氧化能力。使用铁还原抗氧化能力测定法来测定提取物的抗氧化能力,并用 2,2-二苯基-1-苦基肼自由基清除法和 ABTS 测定法评估自由基清除能力。此外,还测定了总类黄酮、类黄酮醇和单宁的含量。总的来说,与种子提取物相比,豆荚的甲醇提取物含有高浓度的酚类物质,表现出较高的抗氧化能力。此外,总酚和单宁与抗氧化能力之间存在正相关关系。本研究的结果表明,三指毛桃的豆荚和种子含有丰富的天然抗氧化剂,可以进一步探索它们在食品或制药工业中作为天然添加剂的可能用途。

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