Artificial or Ready made colors, dye intermediates are used garments,spices,cold drinks,syrup,medicine, toothpaste, modern foods, cosmetics and beverages. Dyes and intermediates were earlier made from tar oil but now these are artificially produced from petroleum. Artificial flavors are also used to enhance the flavor of a food product. Vanillin is one such compound. Food industries generally use antioxidants preservatives and these help to prevent any rancidity of fats. Most of these colors, flavors and preservatives contain ingredients which are hardly harmful to our body.

Artificial colors are used medicine, toothpaste, modern foods, cosmetics and beverages. Artificial colors were earlier made from tar oil but now these are artificially produced from petroleum. Artificial flavors are also used to enhance the flavor of a food product. Vanillin is one such compound. Food industries generally use antioxidants preservatives and these help to prevent any rancidity of fats. Most of these colors, flavors and preservatives contain ingredients which are hardly harmful to our body. Experts from food industry properly choose the ingredients and mix them accordingly to make these products. These coloring substances are used within a certain limit.

Uses
These coloring substances are used in different types of industries. These are used in textile, paper, leather, wood and food industries. In food industry natural dyes are generally used but now federal agency has allowed the use of synthetic dyes but within a permissible level. Variety of petroleum based items such as lubricating oils, waxes, gasoline and polishes use these coloring substances. To color fur, hair and other biological samples you can use various types of coloring substances.

Source:http://blogs.rediff.com/trade-india/2013/02/01/variety-of-dyes-and-their-usage/

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