Volatile chemical and carotenoid profiles in watermelons [Citrullus vulgaris (Thunb.) Schrad (Cucurbitaceae)] with different flesh colors
文献类型: 外文期刊
作者: Liu, Cuihua 1 ; Zhang, Hongyan 1 ; Dai, Zhaoyi 2 ; Liu, Xi 1 ; Liu, Yue 1 ; Deng, Xiuxin 1 ; Chen, Feng 3 ; Xu, Juan 1 ;
作者机构: 1.Huazhong Agr Univ, Coll Hort & Forestry, Minist Educ, Key Lab Hort Plant Biol, Wuhan 430070, Hubei Province, Peoples R China
2.Hubei Acad Agr Sci, Inst Econ Crops, Wuhan 430064, Hubei Province, Peoples R China
3.Clemson Univ, Dept Food Nutr & Packaging Sci, Clemson, SC 29634 USA
关键词: watermelon;carotenoid;flavor;HPLC;GC-MS
期刊名称:FOOD SCIENCE AND BIOTECHNOLOGY ( 影响因子:2.391; 五年影响因子:2.108 )
ISSN: 1226-7708
年卷期: 2012 年 21 卷 2 期
页码:
收录情况: SCI
摘要: Twelve watermelon [Citrullus vulgaris (Thunb.) Schrad (Cucurbitaceae)] cultivars with different flesh colors were analyzed by HPLC, GC-FID, and GC-MS for their differences in carotenoid, soluble sugar, organic acid, and flavor. Results showed that all-trans violaxanthin, 9-cis-violaxanthin, and luteoxanthin were the main carotenoid esters in watermelons with yellow flesh. However, watermelons with red flesh were rich in all-trans lycopene and their cis-isomers. High concentrations of beta-carotene and pro-lycopenes were found in watermelon with orange-yellow flesh. Large variations in the sucrose concentration were observed among the different watermelons. Sucrose and/or fructose were the dominant sugars, while citric acid and malic acid were the main organic acids in watermelon flesh. Limonene was detected in the watermelon flesh of all investigated genotypes. Interestingly, partial correlation analysis of the chemical concentrations revealed 2 significant (p < 0.01) positive correlations between beta-ionone and beta-carotene, and between (E)-geranyl acetone and prolycopenes.
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