Chemical characteristics of fruits of some selected quince (Cydonia oblonga Mill.) cultivars
2011
Rop, O.,Univerzita Tomase Bati, Zlin (Czech Republic). Ustav Technologie a Mikrobiologie Potravin | Balik, J.,Mendelova Univ., Lednice (Czech Republic). Ustav Poskliznove Technologie Zahradnickych Produktu | Reznicek, V.,Mendelova Univ., Brno (Czech Republic). Ustav Slechteni a Mnozeni Zahradnickych Rostlin | Jurikova, T.,Univerzita Konstantina Filozofa, Nitra (Slovak Republic). Ustav Prirodnych a Informatickych Vied | Skardova, P.,Univerzita Palackeho, Olomouc (Czech Republic). Katedra Biologie | Salas, P.,Mendelova Univ., Brno (Czech Republic). Ustav Slechteni a Mnozeni Zahradnickych Rostlin | Sochor, J.,Mendelova Univ., Brno (Czech Republic). Ustav Slechteni a Mnozeni Zahradnickych Rostlin | Mlcek, J.,Univerzita Tomase Bati, Zlin (Czech Republic). Ustav Technologie a Mikrobiologie Potravin | Kramarova, D.,Univerzita Tomase Bati, Zlin (Czech Republic). Ustav Biochemie a Analyzy Potravin
The basic chemical characteristics of 22 quince genotypes and cultivars were determined: dry matter content, soluble solid content, the contents of organic acids, pectins, and mineral elements (nitrogen, phosphorus, potassium, calcium, and sodium). Quince fruits were harvested in the course of October and analysed at the stage of consumption ripeness after storage at 2 deg C and relative air humidity of 85%. The levels of pectins in fruits were high - the cultivar Hruskovita contained 3.51+/-0.19 g/100 g FW. The concentrations of vitamin C were also high, the cultivar Muskatova containing as much as 79.31+/-2.01 g/100 g FW. The affinity of chemical properties of the individual cultivars was expressed by means of cluster analysis and it was found out that there were no marked differences between pear-shaped (Cydonia oblonga subsp. pyriformis) and apple-shaped (Cydonia oblonga subsp. maliformis) forms of fruit.
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