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1. They value his work in the field of food preservation. 2. This can of meat was analysed in our laboratory. 3. The reduction of enzyme activity causes slower fruit ripening. 4. Heating is of great aid for food preservation. 5. Removal of moisture is of benefit in preserving food. 6. We decrease markedly vitamin content in food by long storage. 7. Long storage of food products may be the cause of their spoilage. 8. Food value of this kind of foods is very high. 9. Freeze drying means freezing under very low pressure. 10. Nowadays, different methods aid in food processing. 11. We usually can perishable food in glass or tin containers. 12. The decrease of vitamin content may be caused by long heating at high temperature. 13. Refrigeration is widely used as a means of maintaining low temperatures of food. 14. Sealing containers of preserved food greatly benefits its quality.

1. Any condition opposed to the development of spoilage agents helps in food preservation. 2. Today highly efficient machinery makes possible the production of great amount of canned foods. 3. Low temperatures decrease the enzyme action which gives rise to ripening of fruits. 4. Sometimes, it is necessary to make longer the period of heating. 5. The material thus processed must be defended from fresh contamination. 6. Freezing doesn’t ruin the microorganisms completely. 7. Certain chemicals are useful in preserving foods as they slow down the growth of microorganisms or kill them. 8. Drying greatly changes the characteristics and shape of the food. 9. Humidity content varies from 1 to 4 per cent. 10. By freeze drying the product keeps its form.

1. destroy 2. prolong 3. retard 4. perishable 5. decrease/reduce 6. ripe 7. removal 8. frequently 9. prevent 10. delay

1. increase 2. seldom 3. underripe 4. accelerate 5. shelf stable 6. shorten 7. promote 8. create 9. addition 10. hasten

FOOD PRODUCT	original, complete, fresh, preventive, sterilized, frozen, relative, perishable, reconstituted, significant, immense, cooked, canned
WAYS OF PRESERVATION	removal, freezing, reconstitution, drying, immersion, storage, heating, wrapping, salting, refrigeration, contamination, pasteurization, protection, irradiation, prevention, removal, pickling, smoking
ALTERATION (of food)	character, shape/form, removal, medium, weight, taste/flavour, delay, colour, stockpiling, structure, consistency, food value
DETERIORATION	weight, food value, quantity, quality, fluid, preservation, cooking, flavour/taste, vitamin content, spoilage, odour, density, temperature, colouring

Дата добавления: 2015-03-29