Chills is a careful technology for the preservation of food. Tiefgefrorende food can be conserved with -18 "°C over several weeks, perhaps (if them little fat contained) also up to a half year, without a loss at Vitaminen occurs. Both finished courts can do and added in raw or blanchierter form to be frozen. It is to be paid attention to luftabschluss, since otherwise water can to freeze out and develop with meat dry places, so-called Frostbrand.

The preservation effect occurs, since the micro organisms, which settle at natural food inevitably, are partially even killed their activity to adjust and.

With Matjes in the Dutch food right chilling is prescribed with -45 "°C, in order to exclude Nematodenbefall, which are killed reliably at this temperature.

Finished courts are processed partially in the frozen condition. are out-sawed from gefrosteten plates by Fischfilet and surrounded with a Panierung under brief heating, without the fish antaut.

Industrially manufactured cold treatment products must exhibit a temperature of at the most -18 at all points after thermal stabilization "°C. For the transport of frozen products is to be paid attention to a closed cooling chain. The regulation on frozen food (TLMV) prescribes that with the dispatch, with the local selling and in the cold treatment devices of the retail trade "“in the context of fair storage and selling procedures"” short term deviations from at the most 3 are permitted "°C (TLMV, "§ 2, exp. 4).

Within the European Union the packing of frozen food must carry a reference that the product may not be frozen after thawing out again. This is however mainly a safety precaution. From scientific view nothing speaks against a renewed refreezing, above all, if the food concerned before the consumption must be heated up anyway. If the product before the refreezing was thawed out hygenically surely and up-to-date to the consumption suitably, the renewed low freezing, also fundamental with spinach, is no problem. However consistency and feeding value content of the Gefriergutes suffer.

Related links

• TLMV
• German registered association.

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