Lycium barbarum as raw materials, after press, enzymatic hydrolysis, separation and drying process to a series of different Lycium barbarum products, through determination of effective ingredients content, such as carotenoid, amino acid, crude protein, crude fat, tried to explore the influence of effective component on different processing methods. The result showed that after pressing, enzymatic hydrolysis, separation technology, a large number of carotenoid, amino acid was retained in original slurry, juice, clear juice only have little. The carotenoid content of freeze-drying fruit were lost obiously during the different course of drying, such as air-drying, mechanical-drying, freeze-drying. Spray drying can destroy crude protein and fat activity, but it can be used to improve free amino acid in Lycium barbarum.
Determination of End Point of Primary Drying in Freeze-Drying Process Control
