Distribution of β-carotene, vitamin A, and vitamin A ester in breast milk

  • LI Yunchang ,
  • WANG Longqiong ,
  • HE Xiaoling ,
  • DING Desheng ,
  • WANG Yuankai ,
  • ZHOU Fenglan ,
  • CAI Tian ,
  • CHEN Kewei
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  • 1(College of Food Science, Southwest University, Chongqing 400715, China)
    2(Chinese-Hungarian Cooperative Research Centre for Food Science, Chongqing 400715, China)
    3(Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China)
    4(Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China)
    5(School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China)

Received date: 2022-07-24

  Revised date: 2022-09-02

  Online published: 2023-08-30

Abstract

Vitamin A and its precursors in breast milk play an important role in the growth and development of infants and young children. In this study, the qualitative and quantitative analyses of β-carotene, vitamin A, and vitamin A esters in breast milk under different lactation stages were performed with ultra-high performance liquid chromatography/quadrupole time of flight mass spectrometry. Their intrinsic patterns of distribution in breast milk were investigated by variance analysis, principal component analysis, correlation analysis, and cluster heat map analysis. Results showed that the contents of β-carotene and vitamin A in breast milk gradually decreased with the extension of the lactation period, and the two contents were correlated (Pearson correlation coefficient was 0.416). The content of vitamin A esters in breast milk was relatively stable, and a total of nine vitamin A esters were detected under the three lactation stages, with long-chain retinyl esters being the main form present and retinyl behenate having the highest content. There was a certain clustering among different vitamin A esters, and the metabolic correlation between retinyl caprylate, retinyl docosanoate, and retinyl docosahexanoate was the strongest (Pearson correlation coefficient was 0.91). The results of this study can provide a reference for formula research and the development of infant formula food.

Cite this article

LI Yunchang , WANG Longqiong , HE Xiaoling , DING Desheng , WANG Yuankai , ZHOU Fenglan , CAI Tian , CHEN Kewei . Distribution of β-carotene, vitamin A, and vitamin A ester in breast milk[J]. Food and Fermentation Industries, 2023 , 49(14) : 80 -87 . DOI: 10.13995/j.cnki.11-1802/ts.033086

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