| 摘要 |
PROBLEM TO BE SOLVED: To obtain a preservative for microorganisms such as fungi, yeasts, bacteria, etc., capable of preserving the microorganisms such as fungi, yeasts, bacteria, etc., for a long period of time while keeping their activities by containing a sugar and a carboxylic acid, its salt or its ester as effective ingredients. SOLUTION: The preservative for microorganisms contains preferably 0.01-0.5% of (A) a carboxylic acid, its salt or its ester expressed by the formula (R-COO)n A [R is a 2-10C hydrocarbon; A is H or an alkali metal or alkaline earth metal; (n) is 1 or 2] and preferably 30-60wt.% of (B) a sugar such as sucrose, maltose, etc., as effective ingredients. It is preferable for this preservative to contain an aromatic carboxylic acid, its salt or its ester. |
