Effects of Different Drying Methods on the Quality of Prefabricated Yak Offal Products
In order to understand the influence of drying conditions on the quality of prefabricated yak offal products,the effects of hot air drying and vacuum freezing drying methods on the quality of yak mixed products were studied with the indexes of water content rehydration and sensory evaluation.The results of drying process were as follows:hot-air drying method:50℃drying for 6 h,the water content of the prepared yaks was 7.23%,and the rehydration was 94.53%.Vacuum freeze drying-30℃drying for 12 h,the prepared yak mixed water content is 6.20%,rehydration is 94.23%;Through the comparative analysis of the two drying methods,it was found that vacuum freeze-drying had the best effect,and the premade yak mixed products had attractive color,u-niform and delicate tissue,rich aroma and good edible quality.
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