Oxides, inorganic materials 566 INDEX

Ash content is a measure of total minerals and is a reliable index of nutritional value for many foods (tea, flour, edible gelatin, etc.) and feed (for poultry and cattle) and is recognized as a useful tool in determining the nature and distribution of mineral constituents of food. Ash is the inorganic material left after complete oxidation of organic material at high temperatures (500-600°C). 

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