期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 59, 期 21, 页码 11676-11682出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf2021623
关键词
Anthocyanin fruit type (Aft) tomato; Atroviolaceum (Aty) tomato; carotenoids; color; image analysis; lycopene; salinity stress; Sun Black tomato (SB)
资金
- Italian Ministry of University and Research (MiUR)
- Spanish Ramon y Cajal Program [RYC 2010 07115]
- EU [FP7 224789]
One nonanthocyanin-accumulating (Ailsa Craig) and three anthocyanin-accumulating tomato genotypes (Anthocyanin fruit type, Atroviolaceum, and Sun Black) were analyzed to assess differences in their carotenoid and anthocyanin levels and color and to evaluate the effects of nutrient solutions with different salt concentrations on these parameters The carotenoid content of control Atroviolaceum tomatoes was ca. 2-2 5-fold higher relative to the other two types, and the color of its puree could be visually distinguished from those of other genotypes Salinity stress led in some cases to a 2-3-fold increase in the lycopene content Saline treatment increased the accumulation of total anthocyanins in fruits of Sun Black (2-fold increase), while it reduced it in fruits of Anthocyanin (10-fold decrease) In general, the treatment increased the differences in color, of,different purees These results indicate that salinity stress can lead to similar or higher increases in tomato carotenoids than those achieved by genetic engineering In addition; these changes were accompanied by visually discernible color differences in tomato products Our findings show the considerable potential of exploiting saline soils to obtain tomatoes with higher levels of secondary metabolites like carotenoids and anthocyanins
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