《中国药典1977年版》已于一九八○年起正式执行。我们曾对新版药典所规定的细胞色素C活力测定法(见附录77页)进行摸索,认为此法很好,但还有些问题,提出来探讨。此测定法规定以有活性的细胞色素C在细胞色素C总量(包括有活性和失活的)中所 The Chinese Pharmacopoeia 1977 Edition was officially implemented in 1980. We have explored the new version of the Pharmacopoeia cytochrome C activity assay (see Appendix 77) to find that this method is very good, but there are some problems raised for discussion. This assay provides that the amount of cytochrome C that is active in the total amount of cytochrome C, including both active and inactive