Skin surface lipids of the cow
| Autor: | Donald T. Downing, Jane S. Lindholm |
|---|---|
| Rok vydání: | 1982 |
| Předmět: |
Physiology
Biochemistry chemistry.chemical_compound Skin surface medicine Animals Molecular Biology Skin chemistry.chemical_classification Wax Chloroform Chromatography Fatty Acids Fatty acid General Medicine Lipids Thin-layer chromatography medicine.anatomical_structure Hydrocarbon chemistry visual_art visual_art.visual_art_medium lipids (amino acids peptides and proteins) Cattle Female Epidermis Chromatography Thin Layer Polyunsaturated fatty acid |
| Zdroj: | Comparative biochemistry and physiology. B, Comparative biochemistry. 73(2) |
| ISSN: | 0305-0491 |
| Popis: | 1. Lipids extracted from the skin surface of cows (Bos taurus) with chloroform were analyzed by quantitative thin layer chromatography and found to contain at least 12 classes of lipids. 2. The major constituents were, in order of increasing polarity: cholesteryl esters, 3%; wax diesters Type I, 37.9%, wax dieters Type II, 7.9%; wax triesters, 29.9%; and triglycerides, 3.6%. 3. Each of the remaining constituents formed less than 5% of the lipid mixture and appeared to be derived from the above materials by loss of acyl groups. 4. With the exception of the triglycerides, all of the aliphatic constituents were composed of saturated, unbranched hydrocarbon chains having an even number of carbon atoms. 5. The triglycerides contained a high proportion of mono- and di-enoic C18 acids, suggesting that they are derived from the epidermis rather than from sebaceous glands. |
| Databáze: | OpenAIRE |
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