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Wang, Teng; Wei, Guangqiang; Chen, Faqiang; Ma, Qingwen; Huang, Aixiang
Food Chemistry: X, 06/2023, Letnik: 18Journal Article
Display omitted •A fingerprint profile of milk fermented with L. plantarum L3 was established.•Characteristic metabolites included Thr-Pro, l-creatine, pyridoxine and muramic acid.•Endogenous enzymes cleave β- and α-casein to release bioactive peptides.•Six ACE inhibitory, 19 antioxidant and five antimicrobial peptides were identified.•Integrated metabolomics and peptidomics for rapid characterisation of fermented milk. A novel wild-type Lactiplantibacillus plantarum (L. plantarum) L3 with good fermentation characteristics and protein degradation capacity was isolated from raw milk samples. In this study, the metabolites in milk fermented with L. plantarum L3 were investigated by metabolomic and peptidomics analyses. The metabolomics results revealed that the metabolites in milk fermented with L. plantarum L3 were Thr-Pro, Val-Lys, l-creatine, pyridoxine, and muramic acid, which improved the taste and nutritional qualities of the milk. Moreover, the water-soluble peptides derived from L3 fermented milk exhibited high antioxidant properties and angiotensin I-converting enzyme inhibitory (ACEI) activities. Additionally, 152 peptides were found using liquid chromatography-mass spectrometry (LC-MS/MS). Furthermore, endogenous enzymes secreted by L. plantarum L3 cleaved β- and α-casein to release six ACEI peptides (ACEIPs), nineteen antioxidant peptides (AOPs), and five antimicrobial peptides (AMPS). Overall, these findings could be valuable in improving the quality of fermented milk.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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