期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 65, 期 47, 页码 10368-10381出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.7b04393
关键词
nanocomposite packaging; Flammulina velutipes; TMT; proteome; storage
资金
- Natural Science Foundation of Jiangsu Province [BK20141009]
- National Natural Science Foundation of China [31401552]
Metabolic changes of mushroom (Flammulina velutipes) applied with polyethylene (PE) material (Normal-PM) or nanocomposite reinforced PE packaging material (Nano-PM) were monitored using tandem mass tags (TMT) labeling combined with two-dimensional liquid chromatography-tandem mass spectrometry (2D LC-MS/MS) technique. A total of 429 proteins were investigated as differentially expressed proteins (DEPs) among treatments after a cold storage period. A total of 232 DEPs were up-regulated and 65 DEPs were down-regulated in Nano-PM packed F. velutipes compared to that of Normal-PM. The up-regulated DEPs were mainly involved in amino acid synthesis and metabolism, signal transduction, and response to stress while the down-regulated DEPs were largely located in mitochondrion and participated in carbohydrate metabolic, amino acid synthesis and metabolism, and organic acid metabolic. It was also revealed that Nano-PM could inhibit the carbohydrate and energy metabolism bioprocess, promote amino acids biosynthesis, enhance antioxidant system, and improve its resistance to stress, resulting in a further extended shelf life of F. velutipes.
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