Minerals and Amino Acids in Peach (Prunus persica L.) Cultivars and Hybrids Belonging to World Germoplasm Collection in the Conditions of West Romania
2015
Iordănescu, Olimpia Alina | Alexa, Ersilia | Radulov, Isidora | Costea, Adriana | Dobrei, Alina | Dobrei, Alin
In this study carried out, the nutritional profile of 19 peach cultivars and hybrids from west side of Romania in terms of selected amino acids, macro and microelements content. Amino acids (arginine, lysine, alanine, phenylalanine, tyrosine, serine and glycine) were detected and quantified using DIONEX ICS-3000 system, while the macroelements (K, Ca, Mg) and microelements (Fe, Cu, Zn, Mn) were determined by atomic absorption spectroscopy (Varian 220 AAS equipment). The obtained results showed major differences in content of individual aminoacids in peach fruits. Alanine, responsible for the sweet taste of fruit, but also lysine and arginine are found in higher quantities. The cultivars ‘JULY ELBERTA’ and HB4/81 presented higher arginine content, ‘MARQUEEN’ and IFF853 lysine and ‘MARIANA’ variety has alanine and phenylalanine more than other cultivars. The macro and microelements profile depended on cultivar and increased in following order: K>Mg>Ca>Fe>Zn>Cu>Mn.
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