Title: Effect of Geographical Location on Physical Characteristics and Chemical Compositions of Newhall Navel Orange (Citrus sinensis(L.) Osbeck)
Abstract: The aim of this study was to investigate the effect of geographical origin on physical characteristics and chemical compositions of Newhall navel oranges from different areas.Samples from 17 growing areas in China indicated significantly differences in physical characteristics and chemical compositions,including fruit weight,total soluble solid(TSS) content,titratable acidity(TA),sugar components,organic acids,mineral elements and amino acids.Correlation analysis revealed obvious variations among geographical origins allowing successful differentiation of Newhall navel orange according to their quality characteristics and organic components.TSS content very significantly correlated with mean annual temperature,annual rainfall and sunshine hour.TA and vitamin C were closely associated with mean annual temperature and sunshine hour.Additionally,Mineral contents and ammo acid composition as useful chemical parameters also revealed significant differences among different locations.Significantly negative correlation of Arg and Asp contents with sunshine hour as well as annual rainfall was found for pulp but not peel;Lys in peel showed highly significant correlation with relative humidity.
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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