The Influences of Extraction on the Quantity of Oxyresveratrol from Artocarpus lakoocha Roxb.

Kittiya Jiratanakittiwat, C. Satirapipathkul, D. Charnvanich
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引用次数: 2

Abstract

The aim of this study was to develop a process of extraction oxyresveratrol from Artocarpus lakoocha heartwood using a maceration method. The influences of types of solvent, a concentration of solvent, and time to extract on the yield of oxyresveratrol were studied. In addition, the antioxidant capacity of the extract was investigated. The quantitation of oxyresveratrol was measured by high-performance liquid chromatography (HPLC) analysis, and antioxidant activity was analyzed by 1,1’-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay. The results indicated that 70-percent ethanol solvent by volume for 6 hours could extract the optimum oxyresveratrol at 13.09 percent of the dry weight of Artocarpus lakoocha, and antioxidant efficiency had an IC50 of 47.70 μg/ml.
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提取工艺对石竹中氧化白藜芦醇含量的影响。
研究了用浸渍法从鹿心木中提取氧化白藜芦醇的工艺。研究了溶剂种类、溶剂浓度和提取时间对氧化白藜芦醇得率的影响。此外,还考察了提取物的抗氧化能力。采用高效液相色谱法测定氧化白藜芦醇的含量,采用清除1,1′-二苯基-2-苦味酰肼(DPPH)自由基法测定其抗氧化活性。结果表明,以体积70%的乙醇为溶剂,以13.09%的干重提取6 h的氧化白藜芦醇效果最佳,其抗氧化效率IC50为47.70 μg/ml。
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