RU2448552C2 - Sweet cherry compote sterilisation method - Google Patents

Abstract

FIELD: food industry.

SUBSTANCE: method involves preliminary heating of the jars by way of spaying with 60°C water during 3 minutes, three-stage heating of compote in 70, 85 and 100°C water for 5, 5 and 15 minutes. Then the compote is cooled in three stages in 80, 60 and 40°C water. During the whole of the process the jar is turned upside down and vice versa.

EFFECT: method ensures the process duration reduction and the end product quality enhancement.

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Description

The proposed method of the invention relates to the canning industry, and it can be used in the production of sweet compote in cans SKO 1-82-3000.

Sources, which were searched by this method, showed that the prototype of the proposed method is "Method of sterilization of canned food" Compote of cherries "" [1], the essence of which is that the cans are rolled up, installed in a carrier that provides mechanical tightness of the cans (preventing caps from breaking off during heat treatment) and is heated in water at a temperature of 70 ° C for 10 min, followed by transfer to water at a temperature of 85 ° C for 10 min and then to water at a temperature of 100 ° C for 15 min, after which it is cooled at the flow of atmospheric air at its speed of 7 ÷ 8 m / s for 30 min, while in the process of heat treatment the banks are rotated from the bottom to the lid with a frequency of 0.33 s ^-1 .

The disadvantage of this method is the long duration of the process.

The aim of the proposed method is to reduce the duration of the process and improve the quality of the finished product.

This goal is achieved due to the fact that the cans after seaming are installed in a carrier that provides mechanical tightness of the cans (preventing the caps from breaking off during heat treatment), and are subjected to preliminary irrigation with water at a temperature of 60 ° C for 3 minutes, followed by heating in water with a temperature of 70 ° C, for 5 minutes, followed by transfer to baths with water at a temperature of 85 ° C for 5 minutes and 100 ° C for 15 minutes, followed by cooling in water at a temperature of 80 ° C for 7 minutes, then in a bath with a water temperature of 60 ° C in progress 7 min and 40 ° C for 7 min, and during heat treatment jars is rotated with the bottom cover at a frequency of 0.26 sec ^-1.

An example implementation of the method.

After seaming, the cans are installed in a carrier that provides mechanical tightness (preventing caps from tearing off during the heat treatment), and they are heated by irrigation with water at a temperature of 60 ° C for 3 minutes before being introduced into the first bath with water at a temperature of 70 ° C for 5 minutes. After 5 minutes, the carrier with the jars is transferred to baths with water at a temperature of 85 ° C for 5 minutes and 100 ° C for 15 minutes. After this time, the cans are cooled in a bath with water at a temperature of 80 ° C for 7 min, followed by continued cooling in a bath with water at a temperature of 60 ° C for 7 min and 40 ° C for 7 min. Moreover, in the process of heat treatment, the cans rotate from the bottom to the lid with a frequency of 0.26 s ^-1 .

Salient features of the proposed method are pre-heating cans to relieve temperature stresses with hot water with a temperature of 60 ° C for 3 min before entering the first bath, three-stage heating of compote in water at temperatures of 70, 85 and 100 ° C, respectively, 5, 5 and 15 min followed by three-stage cooling in water with temperatures of 80, 60 and 40 ° C, respectively, 7, 7 and 7 minutes. The mode provides the industrial sterility of canned food, which is confirmed by the magnitude of the sterilizing effect, which corresponds to the standard value equal to 150-200 comp. min

The total duration of the sterilization process according to the proposed method is 49 minutes, which is 16 minutes less than in the prototype.

This mode provides a reduction in the duration of the process and thereby improving the quality of the finished product.

Literature

1. RF patent No. 2339271, 11/27/2008, bull. No. 33. A method of sterilizing compote from cherries / M.E. Akhmedov, T.A. Ismailov.

Claims (1)

A method of sterilizing compote from cherries, characterized in that the cans after seaming are installed in a carrier that provides mechanical tightness of the cans and subjected to irrigation with water at a temperature of 60 ° C for 3 min, heating in water at a temperature of 70 ° C for 5 min followed by transferring it to water at a temperature of 85 ° C for 5 min and then to water at a temperature of 100 ° C for 15 min, then cooling it in water at a temperature of 80 ° C for 7 min, then in baths with a water temperature of 60 ° C for 7 min and 40 ° C for 7 min, while in the process of heat treatment the can shoes are rotated from the bottom to the lid with a frequency of 0.26 s ^-1 .