苦荞多肽饮料产品优化及芳香成分分析Product Optimization and Aroma Composition Analysis of Buckwheat Polypeptide Oral Liquid
吕思妍,马挺军
摘要(Abstract):
以苦荞多肽为原料,制备一款苦荞多肽饮料。为解决饮料口感差的问题,添加不同茶种类和甜味剂来改善苦味;通过离心沉淀率作为指标得到最适稳定剂,来提高稳定性;以感官评价得分为指标,根据单因素实验结果进行正交试验得到各参数最佳配比;通过顶空固相微萃取-气质联用法(HS-SPME-GC-MS)得到饮料中的风味物质。结果表明:茶叶为玫瑰干花,甜味剂为甘氨酸时味道甘甜;添加海藻酸钠时,稳定性较好;通过正交试验得到的最佳配方为添加2.0%玫瑰干花含量、1.0%甘氨酸和0.05%海藻酸钠时,感官评分为90分,此时饮料口感最佳。在此条件下,饮料中芳香成分为28种,主要为苯乙醇,含量为24.19%,有一定的玫瑰香气。通过此工艺制备出的饮料口味较好,可为苦荞多肽产品的开发提供一定参考。
关键词(KeyWords): 苦荞多肽;饮料;口感;气相色谱-质谱法(GC-MS);芳香成分
基金项目(Foundation):
作者(Author): 吕思妍,马挺军
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