Quality Analysis of Different Varieties of Watermelon Fruits in Beijing

Five common watermelon varieties in the Beijing region, namely ‘L600’ ‘Guanghui L1000’ ‘Jingmei 2K’ ‘Chaoyue Mengxiang’ and ‘Xiaotianwang’ were investigated to compare quality indicators such as soluble solids, hardness, organic acids, soluble sugars, sweetness, and vitamin C. The aim was to provide a basis for the selection of high-quality watermelon varieties in Beijing. The results indicated that different watermelon varieties exhibited certain variations in quality characteristics. Specifically, ‘Xiaotianwang’ displayed significantly higher hardness and vitamin C content than other varieties (P