1966年以来Goldstein等从小牛胸腺抽提物经丙酮沉淀所获得的一种热稳定产物定名为胸腺素(Thymosin).自此展开了对胸腺素的一系列研究,已取得了很大成绩.近数年来国内对小牛胸腺素的提取工作日益开展;上海二医和上海牛奶公司综合厂、中国医学科学院分院、北京工农兵医院等单位均已取得了一定成果,泰州肉 A thermostable product obtained from acetone precipitation of calf thymus extract by Goldstein and others since 1966 has been named as Thymosin, and a great deal of research has been done on thymosin since. In recent years, the domestic extraction of calf thymus has been carried out more and more; Shanghai Second Medical and Shanghai Milk Company General Factory, Chinese Academy of Medical Sciences Branch, Beijing Workers, Peasants and Hospitals and other units have achieved some results, Taizhou meat