锦绣黄桃在贵州省玉屏县果实品质综合评价OA

To clarify the quality characteristics of Yuping yellow peach and establish a comprehensive evaluation method for its fruit quality,10 fruit samplesJinxiu yellow peaches from different orchards in Yuping County were collected.Sensory evaluations were conducted from four dimensions,including flavor,aroma,texture and appearance.Physical and appearance indicators including single fruit weight,firmness and color difference,as well as physicochemical and nutritional quality indicators such as water content,total acid,soluble sugar and mineral elements were determined.Moreover,the comprehensive quality was evaluated by the coefficient of variation method,SPSS correlation analysis and membership function method.The results showed that the variation coefficients of various quality indicators ranged from 0.4％to 54.3％.The average contents of soluble solid,total acid and sugar-acid ratio were 12.3％,2.72 g/kg,and 46.15,respectively,indicating the fruits were generally characterized by a texture of firm yet tender,a taste of sweet with a hint of sour,rich aroma,moderate water content,small stone,and an edible rate above 96％.The fruits were rich in nutritional substances such as soluble sugar,glu-cose,amino acids and proteins,as well as mineral elements.The average contents were 59.22 mg/kg for calcium,1748.27 mg/kg for potassium and 54.12 mg/kg for magnesium,respectively.Comprehensive nutritional quality evaluation by the membership function method indicated that Yuping yellow peaches were suitable for both fresh consumption and processing.Among the samples,No.02 sample exhibited an outstanding performance in the sensory evaluation,while No.08 was rated as the best in terms of comprehensive fruit quality based on the membership function values.