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The aim of this work was to evaluate several flavor attributes involving pungency and sweetness in seven breeding lines/cultivars which were three brown skin color cultivars (‘Sunpower’, ‘Marusino310’, ‘Romang’), one red skin color cultivar (‘Chenjujek’), one white skin color breeding line (‘10-237’), and two yellowish skin color (‘chartreus’) breeding lines (‘Y-3’,‘Y-8’). In this study, sugars content (glucose, fructose, Sucrose), pungency (pyruvic acid) and soluble solid content (SSC) were investigated. Yellowish skin colored lines showed significant differences, compared to others. Especially SSC, sugars content and TSC were higher than other skin colored lines. Bulb SSC of two lines were 12.00%, 12.71% and total sugar contents (TSC)were 75.57±2.40, 73.59±2.31g L-1, respectively. The SSC was correlated with fructose, glucose, sucrose but bulb weight and pungency did not significant to other traits.