Sorbic Acid as a Preservative for Sweet Cucumber Pickles1
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منابع مشابه
Sorbic Acid as a Wine Preservative-Its Efficacy and Organoleptic Threshold
Sorbic acid was added to wines in different concentrations to determine its effect on the inhibition of yeasts in semi sweet wines. Sorbic acid proved to be an effective inhibitor of yeast growth when used at a concentration of 200 mgle in conjunction with a concentration of 100 mg S02IC. As the sorbic acid does not kill the yeast cells but only inhibits them it is imperative that the wine shou...
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Previous studies (Costilow et al., 1955) demonstrated that the yeasts found to be most prevalent in cucumber fermentations were completely inhibited by 0.01 per cent sorbic acid in an 8 per cent salt (NaCl) medium at pH 4.6. As the pH was increased and/or the salt concentration decreased, more sorbic acid was required for complete inhibition of some of the yeasts tested. Cultures of Pediococcus...
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The growth of the filamentous fungus Aspergillus niger, a common food spoilage organism, is inhibited by the weak acid preservative sorbic acid (trans-trans-2,4-hexadienoic acid). Conidia inoculated at 10(5)/ml of medium showed a sorbic acid MIC of 4.5 mM at pH 4.0, whereas the MIC for the amount of mycelia at 24 h developed from the same spore inoculum was threefold lower. The MIC for conidia ...
متن کامل2,3-Diaminopyridinium sorbate–sorbic acid (1/1)
In the title mol-ecular salt-adduct, C(5)H(8)N(3) (+)·C(6)H(7)O(2) (-)·C(6)H(8)O(2), the 2,3-diamino-pyridinium cation is essentially planar, with a maximum deviation of 0.013 (2) Å, and is protanated at its pyridine N atom. The sorbate anion and sorbic acid mol-ecules exist in extended conformations. In the crystal, the protonated N atom and one of the two amino-group H atoms are hydrogen bond...
متن کاملChlorhexidine gluconate as a urine preservative in analysis for oxalic acid.
Chborhexidine, a potent antiseptic (1), has been used as a preservative for urine (2, 3) in which oxabic acid and calcium were to be measured. We recently described a biquid-chromatographic method for determining oxalic acid in urine (4) and wish to describe our results when using chlorhexidine gluconate (CG) to replace HCI in the preservation of urine in which oxalic acid was measured. Our met...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1955
ISSN: 0003-6919
DOI: 10.1128/aem.3.3.186-189.1955