间歇式超声辅助酶法提取葡萄皮渣白藜芦醇工艺优化
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张勤,女,焦作职工医学院讲师

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河南省科技厅科学计划研究项目(编号:182400410283);河南省教育厅项目(编号:2019-ZZJH-591)


Optimization on extraction process of resveratrol by intermittent ultrasonic assisted enzymatic extraction from grape skin residue
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    摘要:

    目的:高效提取白藜芦醇,并保持其良好的抗氧化性能。方法:以葡萄皮渣为原料,使用间歇式超声波辅助纤维素酶提取白藜芦醇,采用响应面法对提取工艺进行优化,并分析其抗氧化性能。结果:当提取液pH为5.0、纤维素酶用量为1.3%、酶解温度为57 ℃时,用300 W超声波间歇式辅助累计提取43 min,白藜芦醇的平均得率可达0.293%。抗氧化性分析发现其对DPPH·、ABTS·和·OH等的清除作用明显,且总抗氧化性能较好。结论:采用间歇式超声波辅助纤维素酶提取的葡萄皮渣白藜芦醇,与单独酶法或持续超声波法提取相比,无论是得率还是抗氧化性能均有大幅度提高。

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    Objective: In order to efficiently extract resveratrol and to maintain the good antioxidant capacity. Methods: Resveratrol was extracted from grape skin residue using intermittent ultrasonic assisted enzymatic extraction. The response surface method (RSM) was utilized to optimize the extraction process, and the antioxidant capacity of resveratrol were analyzed. Results: The experiment results indicated that under the condition of buffer solution pH of 5.0, cellulase dosage of 1.3% and enzymolysis temperature of 57 ℃, the resveratrol obtained better extraction effect after intermittent assisted treatment with 300 W ultrasonic waves for accumulatively 43 min, and the average yield could reach 0.293%. The antioxidant analysis found that the resveratrol had obvious scavenging effect on DPPH·, ·OH and ABTS·, as well the total antioxidant capacity was better. Conclusion: The resveratrol extracted by intermittent ultrasonic assisted cellulase method, both the yield and antioxidant capacity have been greatly improved comparing with the single enzymatic method or continuous ultrasonic extraction.

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张勤,田子明,王金柱.间歇式超声辅助酶法提取葡萄皮渣白藜芦醇工艺优化[J].食品与机械,2022,(8):174-181.
ZHANG Qin, TIAN Zi-ming, WANG Jin-zhu. Optimization on extraction process of resveratrol by intermittent ultrasonic assisted enzymatic extraction from grape skin residue[J]. Food & Machinery,2022,(8):174-181.

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  • 在线发布日期: 2022-10-16
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