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Which is the difference between flash freezing and deep-freezing?
Industrial flash freezing process allows reaching quickly temperatures below -18°C. This quick process forms very small ice crystals in the cells and no damage is caused to the structure of the food.
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What does cold chain refer to?
As far as frozen food is concerned, cold chain must guarantee that products are always kept on a temperature below -18°C, from the production plant to the consumer. In cold storage the temperature is always below -30°C: the lower the temperature, the better the preservation of products.
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What should I do with frozen food if the power goes out for a couple of hours?
If the power is temporarily out, the best thing to do is keeping your freezer door closed to maintain the temperature inside. The quantity of frozen food will keep the freezer at a low temperature for a certain time, so it will be stored safely.
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Is it true that the nutritional value of frozen vegetables is lower than that of fresh vegetables?
As far as nutritional value is concerned, frozen vegetables can be compared to the fresh ones, especially in normal consume conditions, and sometimes they can be even better. Vegetables’ most important nutritive principles are fibre, mineral salts and vitamins.
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Is frozen food more expensive?
Frozen food is usually more convenient of the equivalent fresh vegetable. First of all they do not have waste, that sometimes is high for many vegetables. Then they are washed and blanched, and this passage reduces the weight.
