期刊
FOOD CHEMISTRY
卷 297, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2019.125016
关键词
Banana; Carotenoid; Proteomics; Metabolomics; Glycolysis
资金
- Applied Science and Technology Research and Development Special Funds [2016B020233002]
- National Natural Science Foundation of China [31500045, 31672161]
- Science and Technology Program of Guangdong Province, China [201607010270, 2016B030303007]
- Natural Science Foundation of Guangdong Province, China [2015A030313568]
- President Fund of Guangdong Academy of Agricultural Sciences [201812]
To gain a better understanding concerning factors underlying carotenoid metabolism in banana pulp we investigated the carotenoid profile, metabolome, proteome and relative expression levels of carotegenesis-associated genes of fruit pulp in the two banana varieties ON and GN, with ON being characterized of high carotenoid accumulation. Results showed that high carotenoid content in banana pulp was well correlated with the relative expression of carotenogenesis-associated genes and the abundance of the corresponding proteins. An elevated accumulation of sugar metabolism-related compounds and a decreased amino acid accumulation were also observed in ON. Additionally proteins involved in the glycolytic pathway were more highly abundant in ON suggesting that this supports the higher accumulation of carotenoid in this genotype. We suggest that upregulated expression of carotenogenesis-associated genes alongside elevated carbohydrate accumulation contribute to high carotenoid content in banana pulp, implying that a multi-target approach is necessary in order to improve carotenoid content in banana.
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