| abstract |
A preparation of antibiotic hygromycin B with low cell toxicity and high purity, and methods of preparing such a preparation, are provided. More specifically, an isolated antibiotic hygromycin B with a purity of greater than 98% and impurities C, D and E individually less than 0.5% and impurity F less than 2%, as measured by HPLC, is described. Uses of this high purity antibiotic hygromycin B include, for example, for in vitro cell selection. |