释义 |
DictionarySeepolysorbatepolysorbates
polysorbates (pŏl″ē-sor′bāts) Nonionic surface-active agents composed of polyoxyethylene esters of sorbitol. They usually contain associated fatty acids. The series includes polysorbates 20, 40, 60, and 80, which are used in preparing pharmaceuticals. These polysorbates have the trade names of Tween 20, Tween 40, and so forth. |