超声波协同复合酶提取花椒麻味物质工艺的优化Optimization of Extraction Process of Numb-taste Components from Zanthoxylum bungeanum by Ultrasound-assisted Compound Enzymes
周敏,蒲升慧,刘福权,赵志峰,吕远平
摘要(Abstract):
为了研究在传统提取方式下花椒麻味物质的最佳提取工艺及作用机制,通过混料设计获得复合酶的最佳配比,在单因素实验的基础上,采用Box-Behnken中心组合设计建立数学模型,以麻味物质提取率为响应值进行响应面分析,并采用SEM观察花椒的微观结构。结果表明,花椒麻味物质提取的最佳工艺条件为:酶添加量3.08%(纤维素酶、半纤维素酶、果胶酶的最佳比例为36.2%、26.0%、37.8%),酶处理温度50.3℃和超声功率208.5 W。在此条件下,麻味物质的提取率从10.24%提升到15.14%。扫描电镜结果显示:超声波和酶处理均能增强对花椒细胞结构的破坏,从而促进麻味物质溶出,且超声处理与复合酶处理存在协同作用,对花椒细胞结构的破坏更强。文章为传统方式提取花椒麻味物质的工艺提供了参考。
关键词(KeyWords): 酰胺类物质;提取方式;酶-超声协同;混料设计;微观结构
基金项目(Foundation): 四川省科技厅项目(2019YFN0176)
作者(Author): 周敏,蒲升慧,刘福权,赵志峰,吕远平
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