PHYTIC ACID AND MINERAL COMPOSITIONS OF TRITICALES

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Abstract
Phytic acid and nine elements (potassium, magnesium, calcium, sodium, iron, zinc, manganese, phosphorus, and copper) were determined in 12 commercially available cultivars of hexaploid triticales, one octaploid triticale, one wheat and one rye. The amount of phytate phosphorus varied from 1.4–5.3 mg/g in the whole grain, from 0.5–1.9 mg/g in flours and from 0.6–2.2 mg/g in bran of triticales. There were significant variations in the amount of calcium, phosphorus, iron and zinc but not in potassium, magnesium, sodium, manganese or copper due to cultivars. The location had more pronounced effect on micro‐elements (manganese, iron, copper and zinc) than on the macro‐elements (potassium, phosphorus, magnesium, calcium and sodium). The predominant minerals of triticales were phosphorus, potassium, magnesium and calcium. Phytic acid does not seem to have an apparent correlation with either iron or phosphorus in triticales.