不同加工方式对苦荞麦片理化性质以及感官风味的影响Effects of Different Processing Methods on Physicochemical Properties and Sensory Flavor of Tartary Buckwheat Flakes
张玲,程哲,胡俊君,李云龙
摘要(Abstract):
目的:研究不同加工方式对苦荞麦片的理化性质和感官风味的影响。方法:利用挤压膨化、蒸熟压片微波干燥和原麦碾压烘焙干燥制备苦荞麦片,并比较分析不同加工方式的苦荞麦片的总黄酮含量、吸水率、色泽、味觉和挥发性风味物质的变化。结果:原麦碾压烘焙干燥的苦荞麦片的总黄酮含量较高,可达17.45 mg/g;挤压膨化的苦荞麦片的吸水率较高,常温吸水率高达309.4%,高温吸水率达464.6%;挤压膨化的苦荞麦片的a~*值为5.7,红色度增加,而蒸熟压片微波干燥和原麦碾压烘焙干燥的苦荞麦片的a~*值<0,色泽呈绿色;蒸熟压片微波干燥的苦荞麦片的苦味值和鲜味值最高,分别为8.0和8.7,挤压膨化的苦荞麦片的咸味值和甜味值最高,分别为8.7和8.3,原麦碾压烘焙的苦荞麦片的苦味值最低,仅为3.6;电子鼻色谱图显示挤压膨化的苦荞麦片风味物质较多,且在3种苦荞麦片的色谱图上,保留时间在84 s左右出现一个明显的特征峰,经电子鼻定性分析此挥发性物质是甲基丁香油酚。结论:不同加工方式对苦荞麦片的黄酮含量、吸水率、色泽、味觉和风味物质均有一定的影响,尤其是挤压膨化的苦荞麦片的吸水率高,且风味物质也较多。
关键词(KeyWords): 苦荞麦片;挤压膨化;蒸熟微波干燥;碾压烘焙;理化性质;感官风味
基金项目(Foundation): 山西省专利转化专项计划项目(202201024);; 山西省现代农业产业技术体系建设(杂粮)(2023-03);; 国家现代农业(燕麦荞麦)产业技术体系建设专项(CARS07-E2)
作者(Author): 张玲,程哲,胡俊君,李云龙
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