Method for sterilising a food product with low water...

A - Human Necessities – 23 – L

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Details

A23L 3/16 (2006.01) C13B 40/00 (2011.01) A23B 7/005 (2006.01) A23G 1/02 (2006.01)

Patent

CA 2338164

The invention concerns a method for sterilising a food product with low water content, contaminated by micro-organisms, in particular chocolate or the like. The invention is characterised in that it consists in raising said food product water activity (Aw) to a value higher than 0.7, preferably higher than 0.8, and in subjecting the hydrated food product to a thermal sterilisation step and in eliminating the water so as to recuperate a substantially sterilised food product with low water content having contamination, particularly in spore-forming bacteria, at least 1000 times less (3 log) than the initial contaminated product, in particular less than 1 UFC/g. The invention also concerns the resulting sterilised food product and the food compositions containing said food product.

La présente invention concerne un procédé de stérilisation d'un produit alimentaire à faible teneur en eau, contaminé par des microorganismes, notamment le chocolat ou un analogue du chocolat, remarquable en ce que l'on élève l'activité de l'eau (Aw) dudit produit alimentaire à une valeur supérieure à environ 0,7 de préférence supérieure à 0,8, en ce que l'on soumet le produit alimentaire hydraté à une étape de stérilisation thermique et en ce que l'on élimine l'eau de manière à récupérer un produit alimentaire à faible teneur en eau essentiellement stérile qui présente une contamination, notamment en bactéries sporulées, au moins 1000 fois inférieure (3 log) au produit contaminé de départ, notamment inférieur à 1 UFC/g. L'invention concerne également le produit alimentaire stérilisé ainsi que les compositions alimentaires comprenant ledit produit.

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