Selection of Factors for Evaluating Fruit Quality of Mid-early Ripening Apple Cultivars

doi:10.7506/spkx1002-6630-201323016

Abstract

Abstract:

In order to provide a theoretical basis for the selection of indicators for evaluating the quality of apple fruits,
22 quality parameters of 52 mid-early ripening apple cultivars were determined and analyzed by principal component
analysis and hierarchical cluster analysis. Results revealed either relative independence or close correspondence among the
characteristic indicators of fruit quality. The cumulative variance contribution ratio of the first seven principal components
of PCA was up to 72.8%. The 52 apple cultivars were classified as 8 major groups by HCA on the basis of the measured
parameters. Eight factors were suitable for a comprehensive system for the evaluation of apple quality, including the content
of total soluble solids, sugar/acid ratio, browning degree, the content of magnesium, fruit firmness, fruit shape index, single
fruit weight and pulp cell size.

Key words: mid-early ripening apple cultivars, quality, evaluation factor

CLC Number:

TS255.7

MENG Xian-jun1，GONG Li-yan1，BI Jin-feng1,2，BAI Sha-sha3，LIU Xuan2，WANG Xuan2. Selection of Factors for Evaluating Fruit Quality of Mid-early Ripening Apple Cultivars[J]. FOOD SCIENCE, 2013, 34(23): 72-76.

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