期刊
FOOD CHEMISTRY-X
卷 19, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fochx.2023.100756
关键词
Water deficient; Tomato fruit; Amino acids; Organic acids; Volatile compounds; Quality
This study investigated the effects of different water irrigation levels on tomato quality. The results showed that a lower water irrigation level (T2) positively affected the amino acid and organic acid contents of tomato fruits, and improved the fruit's characteristic aromas.
Water deficit (WD) irrigation techniques to improve water use efficiency have been rapidly developed. However, the effect of WD irrigation on tomato quality has not been sufficiently studied. Here, we investigated the effects of varying water irrigation levels [T1-T4: 80%, 65%, 55%, and 45% of maximum field moisture capacity (FMC)] and full irrigation (CK: 90% of maximum FMC) on tomato fruits from the mature-green to red-ripening stages, to compare the nutritional and flavour qualities of the resulting tomatoes. The proline, aspartic, malic, citric, and ascorbic acid contents increased, phenylalanine and glutamic acid contents decreased, and the total amino and organic acid contents increased by 18.91% and 26.12%, respectively, in T2-treated fruits. Furthermore, the T2-treated fruits exhibited higher K and P contents alongside improved characteristic aromas. These findings pro-vide novel insights for further improvements in tomato quality while also developing water-saving irrigation techniques.
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