Study on sugar and acid components and three antioxidants of 10 apple cultivars in Longdong area of Gansu Province
[Objective]To study the contents and differences of sugar and acid components and three an-tioxidants in 10 cultivars introduced in the Longdong area in recent years,and to provide a reference for the cultivation and promotion of the cultivars.[Method]Indicators including sugar and acid content,total phe-nolic content,flavonoid content and VC content of 10 cultivars were measured and comprehensively ana-lyzed.[Result]The contents of sugar and acid components and three antioxidants of ten cultivars were sig-nificantly different,and based on the membership function analysis,the comprehensive ranking of ten culti-vars was Fuli>Ruiyang>Ruixue>Envy>Liangxiang>Huahong>Yanchanghong>Hanfu>Yanfu No.3>Zhongqiuwang.The total phenolic content and flavonoid content of Fuli were significantly higher than those of other cultivars,which were 1.84 and 0.79 mg/g,respectively.The sweet-acid ratio of Ruiyang was 26.01 and the total sugar and total acid contents of Ruixue were 96.79 and 6.462 mg/g,re-spectively,which were 1.14 and 1.67 times higher than those of the control cultivars.[Conclusion]Fuli,Ruiyang and Ruixue had good overall quality of sugar and acid components and three antioxidants,and ranked first in the overall ranking;however,as excellent fresh apple cultivars promoted in Longdong area,further research should be conducted in combination with growth results and other characteristics.
appleantioxidantssugar and acid componentsspecial flavorLongdong area