Comparison of the inhibitory action on Saccharomyces cerevisiae of weak-acid preservatives, uncouplers, and medium-chain fatty acids |
| |
Authors: | M. Stratford P.A. Anslow |
| |
Affiliation: | Microbiology Section, Unilever Research, Colworth House, Shambrook, Bedford MK44 1LQ, UK |
| |
Abstract: | Abstract This study was initiated to establish whether inhibition of growth of yeasts by medium-chain fatty acids resembled that caused by weak-acid preservatives or uncouplers. Unlike sorbic acid and 2,4-dinitrophenol, decanoic acid caused rapid cell death at its inhibitory concentration. This suggested a mode of action by medium-chain fatty acids, distinct from both weakacid preservatives and uncouplers. Sorbic acid and 2,4-dinitrophenol both increased lag and doubling times, reduced cell yields and inhibitory concentrations of both were highly pH sensitive. The possibility is discussed as to whether weak-acid preservatives and uncouplers share common modes of inhibition. |
| |
Keywords: | Decanoic acid Sorbic acid 2,4-Dinitrophenol Saccharomyces cerevisiae |
本文献已被 ScienceDirect 等数据库收录! |
|