Two main flavonoids in the onion were isolated and prepared by semi-preparative HPLC 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
A strain of virus named FM01 was isolated from the liver of dead semi-muscovy ducks characterized similar to Newcastle disease. It was determined to be a paramyxovirus type 1 by HA and HI tests.