海蛎子冻干工艺的试验研究及探讨

Approach on the Vacuum Freeze-drying Process of Oyster

通过海蛎子冻干工艺过程的试验研究 ,得到了海蛎子的共晶点温度并确定了海蛎子冷冻干燥的最佳操作条件 ,对其冷冻干燥工业化生产具有一定的指导意义。探讨了冻结速率、系统压力、加热温度及物料厚度对冻干速率的影响 ;加热温度不仅影响产品的品质 ,还影响冻干时间。物料厚度、冻结速率对冻干时间的影响较大。

The freeze-drying process of oyster was researched, and obtained the eutectic temperature, freeze-drying curve, the optimal operation condition. This paper is helpful to the practical freeze-drying production. The effects of system pressure, heating temperature and material thickness on the operation terms of oyster freeze-drying were determined. The heat temperature effects not only the quality of the production, but also the drying time, the material thickness and freeze speed have a large influence on the freeze drying time too.