期刊
FOOD CHEMISTRY
卷 381, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.132288
关键词
Phospholipid; Bovine milk; LC-MS; Thermal process; Cold storage
资金
- Zhejiang Jianbing Lingyan Technology Collaboration Fund, China [2022C04009]
- Natural Science Foundation of Zhejiang Province, China [LGJ20C200001]
- Ningbo City Public Welfare Project, China [202002N3075]
- Ningbo 3315 Talent Program
- Zhejiang Xinmiao Talent Program, China [2020R405083]
Milk processing technologies decrease the content of phospholipids in milk, with boiling and freezing showing the highest reduction.
Milk processing technology disrupts milk fat globule membrane (MFGM) structures and decreases the phos-pholipid content in MFGM. The present study aimed to evaluate the effects of homogenization, thermal treat-ment, and cold storage on milk phospholipids. A total of 175 phospholipid molecular species were identified and quantified. Phosphatidylcholine was the most abundant phospholipid, and sphingomyelin accounted for only a small amount of phospholipid in bovine milk. In addition, a total of 37 plasmalogens (167.5 mu g/mL) were identified in bovine milk with lysophosphatidylcholine plasmalogen being the most abundant. Processing technologies decreased the phospholipid content with both boiled and frozen milk demonstrating the highest reduction. Compared to raw milk, only 70% of phospholipid remained in frozen milk. Both S-plot and volcano-plot showed that heat treatment and subsequent cold storage decreased the phosphatidylserine and lysophos-pholipid contents.
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