| 释义 |
nisin Pharm.|ˈnaɪsɪn|
[See quot. 1947 and -in1.]
A mixture of closely related polypeptides produced by the bacterium Streptococcus lactis which is active against Gram-positive bacteria and is used in some countries as a food preservative.
1947Mattick & Hirsch in Lancet 5 July 5/1 We have already given some account..of the action in vivo of an inhibitory substance*, isolated from lactic streptococci, against streptococcal infections of the mouse. [Note] *Group N Inhibitory Substance: (G) Nisin. 1959Times 9 Mar. (Britain's Food Suppl.) p. viii/2 Nisin is an easily digested protein. 1963B.S.I. News Feb. 13/2 The bacteriological examination of butter, milk, cheese and ice-cream, and for the detection and assay of nisin. 1972Sci. Amer. Mar. 18/3 A number of countries have permitted such antibiotics as tetracyclines, nystatin, nisin..as direct or indirect additives to chilled or raw fish. |