Primary Study on Quick-Freezing Parameter of Wolfberry Fresh Fruit
Bai Jie 1,Cao Xiaohong 2 (1. School of Agriculture, Ningxia University, Yinchuan 750021,China ; 2. Institute of Biology of Ningxia Yongkang , Yinchuan 750002,China)
Freeze rate, freeze time and cold storage time of fresh wolfberry were tested and studied. The result showed that this product should be quick-freezed by shelf freezer or plate freezer. When the thickness of contain materials was 40cm and the freeze center temperature was -18℃, freeze time was just 3h, and the fresh wolfberry could be stored for 9 months at -18℃ in storehouse.