摘要
维生素类化合物是人体必需的营养元素,维生素缺乏会导致人体健康受到严重影响,提纯是制备维生素类化合物的重要过程,结晶法有很好的选择性,析出的晶体纯度高,结晶过程成本低,设备简单,因此广泛用于各种维生素的精制。本文中特别介绍了维生素结晶的降温法、蒸发法、溶析法、熔融结晶法以及结晶分离的新技术。
Vitamins are the necessary nutritive elements in human body. Hypovitaminosis is an illness that has serious influence on human health. Purification is an important process in the preparation of vitamins. Crystallization is a purification method that has good choices, high purity, low cost and no need of complicated device ,which is used to refine the vitamins widely. In the paper, the falling temperature method, evaporation method, solventing-out method and melt crystallization are introduced. New techniques of crystallization are the future developmental trend.
出处
《现代化工》
CAS
CSCD
北大核心
2011年第3期33-36,共4页
Modern Chemical Industry
关键词
维生素
结晶分离法
新技术
vitamin
crystallization
new technique
