| Lipid composition of eggs of an oviparous lizard (Bassiana duperreyi). | |
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MedLine Citation:
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PMID: 10606044 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Lipid analysis was performed on freshly ovulated eggs (n = 5) of the oviparous lizard Bassiana duperreyi. The fresh weight of the whole egg contents was 132.0 +/- 4.3 mg (mean +/- SE) of which lipid constituted 21.9 +/- 1.1% (w/w). Triacylglycerol formed an exceptionally high proportion (85.4 +/-0.5%, w/w) of the total lipid, whereas phospholipid, free cholesterol, cholesteryl ester, and free fatty acid, respectively, contributed 11.2 +/- 0.3, 1.4 +/- 0.1, 1.3 +/- 0.1, and 0.6 +/- 0.1% of the total lipid mass. Linoleic and alpha-linolenic acids were the major polyunsaturates of the triacylglycerol fraction, respectively, forming 16.3 +/- 0.1 and 8.3 +/- 0.1% (w/w) of the fatty acids. Linoleic acid was the major fatty acid (29.0 +/- 0.1%) of the total phospholipid, which also contained substantial amounts of arachidonic (6.4 +/- 0.1%) and eicosapentaenoic (3.0 +/- 0.1%) acids, but a relatively low proportion (1.6 +/- 0.1%) of docosahexaenoic acid. Phosphatidylcholine formed the major phospholipid class (73.8 +/- 2.3%) w/w of total phospholipid) and was enriched in linoleic acid, whereas phosphatidylethanolamine, which formed 20.4 +/- 1.9%(w/w) of total phospholipid, contained higher proportions of arachidonic and docosahexaenoic acids. |
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Authors:
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B K Speake; M B Thompson; R J McCartney |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Lipids Volume: 34 ISSN: 0024-4201 ISO Abbreviation: Lipids Publication Date: 1999 Nov |
Date Detail:
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Created Date: 2000-01-14 Completed Date: 2000-01-14 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0060450 Medline TA: Lipids Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1207-10 Citation Subset: IM |
Affiliation:
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Department of Biochemistry and Nutrition, Scottish Agricultural College, Ayr, United Kingdom. b.speake@au.sac.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cholesterol / analysis Cholesterol Esters / analysis Fatty Acids / analysis Fatty Acids, Nonesterified / analysis Female Linoleic Acid / analysis Lipids / analysis* Lizards* Ovum / chemistry* Phospholipids / analysis Triglycerides / analysis alpha-Linolenic Acid / analysis |
| Chemical | |
Reg. No./Substance:
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0/Cholesterol Esters; 0/Fatty Acids; 0/Fatty Acids, Nonesterified; 0/Lipids; 0/Phospholipids; 0/Triglycerides; 2197-37-7/Linoleic Acid; 463-40-1/alpha-Linolenic Acid; 57-88-5/Cholesterol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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