Cereals, legumes and oilseed crops are grown over 90% of the world’s harvested area. Together they serve as a major source of nutrients for the animal kingdom. An important constituent of seeds of these crops is phytic acid (myo-inositol 1, 2, 3, 4, 5, 6-hexakisphosphate; Ins P6). The salt form, phytate, is an anhydrous storage form of phosphate accounting for more than 80% of the total phosphorus in cereals and legumes. In contrast to other organo-phosphate molecules, phytate contains a high phosphate content, which results in a high negative charge over a wide pH range. Under normal physiological conditions phytic acid chelates essential minerals such as calcium, magnesium, iron and zinc.
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