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Related Concept Videos

Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various  biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
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Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
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Structure of Lipids03:38

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Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Structure of Lipids03:38

Structure of Lipids

Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Structure of Lipids03:38

Structure of Lipids

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Updated: Jun 17, 2026

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
07:38

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit

Published on: December 16, 2015

Donkey's milk detailed lipid composition.

Daniela Gastaldi1, Enrico Bertino, Giovanna Monti

  • 1Department of Analytical Chemistry - University of Turin, Italy.

Frontiers in Bioscience (Elite Edition)
|December 29, 2009
PubMed
Summary

Donkey milk (DM) lipids are highly bioavailable, similar to human milk, making them beneficial for infants. Its fatty acid profile, particularly the low n-6/n-3 ratio, is promising for those with cow

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Evaluation of Lipid Droplet Size and Fusion in Bovine Hepatic Cells
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Evaluation of Lipid Droplet Size and Fusion in Bovine Hepatic Cells

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Last Updated: Jun 17, 2026

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
07:38

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit

Published on: December 16, 2015

Evaluation of Lipid Droplet Size and Fusion in Bovine Hepatic Cells
08:37

Evaluation of Lipid Droplet Size and Fusion in Bovine Hepatic Cells

Published on: March 10, 2023

Area of Science:

  • Nutritional biochemistry
  • Pediatric allergy
  • Food science

Background:

  • Donkey milk (DM) is gaining attention for its potential health benefits, especially in pediatrics.
  • Understanding the immunological, physiological, and nutritional properties of DM requires detailed analysis of its protein and fat content.

Purpose of the Study:

  • To conduct a comparative analysis of the lipid fractions in donkey milk, human milk, and cow milk.
  • To investigate the distribution of fatty acids on the glycerol backbone (sn-1/3 and sn-2 positions) in these milks.

Main Methods:

  • Advanced fatty acid analysis techniques were employed.
  • Comparative analysis of lipid fractions and fatty acid positional distribution.

Main Results:

  • Donkey milk lipids exhibit a fatty acid distribution on the glycerol backbone similar to human milk.
  • DM contains a high proportion of medium-chain triglycerides, contributing to high lipid bioavailability.
  • DM has a significant content of polyunsaturated fatty acids (PUFA) n-3 and a low n-6/n-3 ratio.

Conclusions:

  • The lipid profile of donkey milk suggests high bioavailability and similarity to human milk.
  • DM's fatty acid composition, especially the favorable n-6/n-3 ratio, is of particular interest for infants with cow's milk protein allergy.
  • Whole donkey milk may serve as a suitable base for infant formulas.