Mineral composition in grain of wheat varieties

Ilieva, Verica and Markova Ruzdik, Natalija and Balabanova, Biljana and Kovacevik, Biljana and Mitrusev, Ivo (2019) Mineral composition in grain of wheat varieties. In: 1st Scientific Conference for Critical Environmental Issues of the Western Balkan Countries, 28-30 Oct 2019, Stip, Republic of North Macedonia.

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Abstract

The determination of mineral composition and nutritional value of wheat is extremely important as it takes an important place among the crop species being extensively grown as staple food sources. The importance of wheat is mainly due to the fact that its seed can be ground into flour, semolina, etc., which form the basic ingredients of bread and other bakery products, and thus it presents the main source of nutrients to the most of the world population. According to this, the main objective of this research is to determine the content of some macro and micro elements in grain of wheat varieties. Three soft wheat varieties are used as an experimental material (radika, amazon 150 and pobeda) in this examination. The seed was produced for commercial purpose from first generation certification seed (C1) in 2018. The laboratory researches are conducted in "Unilab" laboratory at Faculty of Agriculture in Shtip, Republic of North Macedonia. Microwave digestion method (model Mars, CEM) was applied to destroy the organic matrix to determine the content of Fe, B, Cu, Mn, Zn, Ca, Mg, Na, K, P and S. The content of macro and micro elements in digest samples was performed using inductively coupled plasma mass spectrometry (MS-ICP). Radika variety has the highest content of manganese, calcium, magnesium and potassium, compare to the other tested varieties. The content of iron (31,05 mg/kg) and boron (4,56 mg/kg) was the highest in grain of amazon 150 variety. In pobeda variety was determinate the highest content of copper (9,15 mg/kg), zinc (31,62 mg/kg) and sodium (108,23 mg/kg). The content of sulfur was in negative correlation with content of magnesium (r = -0.997), at level of significance p<0.5. Also, significant negative linear correlation was obtained between content of cooper and potassium (r = -0.997). However, all tested wheat varieties differed in their rankings for content of macro and micro elements, due largely to the genetic potential of the variety, but at the same time all wheat varieties content the optimum concentration of these elements. Key words: macro and micro elements, wheat grain, variety

Item Type: Conference or Workshop Item (Poster)
Subjects: Agricultural Sciences > Other agricultural sciences
Divisions: Faculty of Agriculture
Depositing User: Natalija Markova Ruzdik
Date Deposited: 11 Nov 2019 12:49
Last Modified: 11 Nov 2019 12:49
URI: http://eprints.ugd.edu.mk/id/eprint/22845

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