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<p>Dietary oils significantly influence the modification of milk lipid profiles and volatile compounds (VOCs). In this study, donkeys were fed varying ratios of soybean oil to linseed oil, and the milk were analyzed for lipids and VOCs. A total of 1,167 lipid species were detected in donkey milk, belongs to 20 sub-classes. Sixty-four different lipids were screened and were most relevant to glycerophospholipid metabolism and linoleic acid metabolism. The level of C18:3 increased with higher linseed oil supplementation. In addition, 406 VOCs were identified in donkey milk, categorized into 15 sub-classes, mainly 80 hydrocarbons and 56 heterocyclic compounds. Eighty-nine differential VOCs were identified, mainly heterocyclic compounds, hydrocarbons, and alcohols. These VOCs were characterized by fruity, oily, grassy, and sweet aromas. A 2:3 dietary ratio of soybean oil to linseed oil significantly enhances the lipid quality and modulates the profile of VOCs in donkey milk. This study provides comprehensive insights on the impact of soybean and linseed oils blends on the lipid and VOC profiles, improving donkey milk’s nutritional quality.</p>

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Impact of dietary soybean and linseed oils on the lipid and volatile compound profiles of donkey milk

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月11日

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  • Wei Ren,
  • Lingyun Sun,
  • Xinyi Du,
  • Lu Meng,
  • Muhammad Zahoor Khan,
  • Changfa Wang,
  • Mengmeng Li

摘要

Dietary oils significantly influence the modification of milk lipid profiles and volatile compounds (VOCs). In this study, donkeys were fed varying ratios of soybean oil to linseed oil, and the milk were analyzed for lipids and VOCs. A total of 1,167 lipid species were detected in donkey milk, belongs to 20 sub-classes. Sixty-four different lipids were screened and were most relevant to glycerophospholipid metabolism and linoleic acid metabolism. The level of C18:3 increased with higher linseed oil supplementation. In addition, 406 VOCs were identified in donkey milk, categorized into 15 sub-classes, mainly 80 hydrocarbons and 56 heterocyclic compounds. Eighty-nine differential VOCs were identified, mainly heterocyclic compounds, hydrocarbons, and alcohols. These VOCs were characterized by fruity, oily, grassy, and sweet aromas. A 2:3 dietary ratio of soybean oil to linseed oil significantly enhances the lipid quality and modulates the profile of VOCs in donkey milk. This study provides comprehensive insights on the impact of soybean and linseed oils blends on the lipid and VOC profiles, improving donkey milk’s nutritional quality.