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• Contribute to regulate the source material for the production of foodHelp the plant can operate year-round, help products are distributed all over the world.• Do satisfy the increasing predilection of consumers. Due to the demand of the human diet since it launched production of the food less energy. Many substances created and glue the convergence, the esters of fatty acid v à sugars help reduce large amounts of lipids containing in foodContribute to the diversification of food products. Along with the arrival of food additives, fast food, less food energy, the other alternative food also was born and developed to meet the needs of increasingly diverse dining.• Simplifying the production phase. The use of chemicals in manufacturing shell loading tubers help shorten the time peeled in processing.Reduces scrap for the production phase v à protection of secrets of the plant.• Increase the nutritional value:Nutrient supplements may be to return the nutrients lost due to food processing, or to add these substances not in the food. For example, bread, flour, rice is to add vitamin B because when grinding the majority thank you shell has many types of vitamins has been lost. As well as the more silica in salt, add vitamin A, vitamin D in milk ...• Keep food safe, fresh longerFood often gets some bacteria, fungi, molds, yeast do mau damaged. Additives can help preserve, slow rot damage, keep its attractive looks and qualities of the food. For example, the sulfite being added to dried fruits, nitrites and nitrates are added to processed meats such as sausage, bacon, meat ... Preservatives and additives may function in nutrition is used in food in order to increase the safety and nutritional value of food. The use of anti-microbial substances that help prevent the risk of food poisoning caused by the microorganisms. Antioxidants are used to prevent the development of the rotten smell, the formation of free radicals derived from the oxidation of the ingredients contained in foods.Some of the following foods are always for more additives to keep for long time: drinks, food, grilling the meat salted, smoked, dried, juice, wine, canned fruit, bread ... The foods are more antioxidants (anti-oxidant) to avoid the smell returns, takes color as fat, oil vinegar, oil ...• Alter the appearance of foodThe appearance of food is structure, physical shape, stiffness or smooth be see or feel when touching, help for food seems tastier, more attractive. There are many additives for this purpose:-The substance makes the dish with moisture, not dry hard, slightly bulging and spices not stick together as emulsified lecithin in egg yolk, milk, soy, glycerin to keep moisture and spices in oil and vinegar, peanut butter ...-Anti-dry, close the Bureau, stick together as calcium silicate, silicon dioxyd. This substance has the effect of preventing the flour, sugar, salt-water and stick together.-Do the baking powder, salt, baking powder, bicarbonate as sodium phosphate or a few types of yeast are used when making pastry, bread ... help for soft spongy cakes, lighter.-Additives to help the material easily into each other.-Do change the acid, alkalinity of foods, aimed at changing the structure, taste as well as increase the safety of potassium tartaric acid, such as food, citric acid, lactic acid.• Increase the taste and attractiveness of the foodSome of the pigments used to make the food look more attractive or restore the original color of the food; make different dishes have the same color; maintain the taste vitamins vulnerable to decay because of the light; created for food is featured, easy to distinguish.According to many experts, most of the pigments are quite safe. Only a few types when added to food, beverages, pharmaceutical products may cause mild reactions such as itchy skin, runny nose ...Pigment can be synthetic chemicals or natural pigments derived from plants. There are now 32 colorants are used, of which only seven are synthetic substances.Pigments are often used as beta carotene (vitamin A affixes), beet juice, carrot, turmeric, red powder made from red pepper paprika type.Adding food color is cream, jellies, cheeses, cakes, candy, ...The substance has the flavor of grapes, strawberries, vanilla is used in soft drinks, candy, or mixed with oil and vinegar, sauces are retrieved from the herb or by synthesis.
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