A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra.
A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra.
摘要采用生物堿系统提取、矽胶柱层析分离及梯度升华技术从小花棘豆干草粉中分离出一种白色针状结晶。