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Gas -kerosine odor in cheese

Printed From: Dairy Science and Food Technology
Category: Cheese quality
Forum Name: Cheese quality
Forum Description: Topics retaing to the quality of cheese
URL: https://www.dairyscience.info/forum/forum_posts.asp?TID=314
Printed Date: 23 Feb 2024 at 6:25am
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Topic: Gas -kerosine odor in cheese
Posted By: mrmagoo
Subject: Gas -kerosine odor in cheese
Date Posted: 20 Jan 2012 at 9:00pm
After big mold probs we have added 250 ppm of sorbate to cheese. Now some cheese has oily odor. No odor if sorbate left out but mold problem. Help wanted. 





Replies:
Posted By: Admin
Date Posted: 21 Jan 2012 at 9:24pm
Welcome to the forum.

From the brief description of your problem it would seem that your odour is being caused by the the action of moulds on sorbate in the cheese.
A number of mould species can produce a hydrocarbon, 1,3-pentadiene (Horwood et al. 1981), by the decarboxylation of sorbate. 1,3-pentadiene has been described as having a “kerosene" odour.
 
This has been fairly well described for Feta cheese (use Google scholar to find primary sources).
 
 
 



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