Two main flavonoids in the onion were isolated and prepared by semi-preparativeHPLC at the first time (purity more than 98%).
首次利用半制备柱采用高效液相色谱法分离制备了洋葱中两种主要的黄酮类化合物(纯度超过98%)。
2
To extract and purify type I collagen from pigskin, initial extraction and chromatography on semi -preparativeHPLC were tested.
从猪皮中分离纯化I型胶原蛋白，并对其部分性质进行研究。
3
Our 800dac systems are put into use on the customer's site. It is the significant indicator that we step in the world front rank of industrial preparativeHPLC system.