DEFINITION OF MINERALSA mineral is an inorganic element, occurring in the form of its salt, eg. calcium, potassium, sodium, phosphorus, iron, copper, magnesium, etc. CLASSIFICATION OF MINERALSDepending on their functions, minerals required by our body can be classified into 2 categories- 1. MAJOR MINERALS OR MACROMINERALSThese minerals are needed in relatively large amounts in our diet i.e. over 100 mg ( milligram ) per day. For example calcium, magnesium, sodium, sulphur, potassium and chloride. 2. TRACE MINERALS OR TRACE ELEMENTSThese minerals are needed in smaller amounts, i.e. only a few mg ( milligrams ) per day in our diet. For example, chronium, cobalt, copper, fluoride, iodine, iron, manganese, molybdenum, selenium and zinc.
2 Comments
|