Comparison of Fruit Quality on Different Flavor Melon Cultivars

In this paper,taking the melon cultivars Flavor No.4 and Flavor No.5 as main materials and taking Xuelihong as control cultivar,we studied the differences of fruit quality of the three melon cultivars.The results showed that,Xuelihong had large fruits and its single fruit weight was over 2 kg,while the fruits of Flavor No.4 and Flavor No.5 were smaller.Flavor No.5 had highest total soluble solid(TSS) content and soluble sugar content,and Flavor No.4 possessed the highest free amino acid content and titratable acid content,while Xuelihong had highest soluble protein content and vitamin C content.Xuelinghong and Flavor No.4 possessed the highest and lowest sugar-acid ratio respectively.Flavor No.4 had the highest sucrose content and organic acid content,and Flavor No.5 had the highest fructose content.Citric acid content in Xuelihong was only one third of that in Flavor No.4 and half of that in Flavor No.5.Flavor No.4 had highest contents of seventeen types of free amino acids and the total amino acids,while Flavor No.5 and Xulihong had similar amino acid composition and content.In a word,Flavor No.5 had moderate fruit weight,excellent taste and good nutritional quality.