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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
22
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pubmed:dateCreated |
1981-1-29
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pubmed:abstractText |
The lipoidal derivatives of steroids present in bovine corpora lutea have been identified and quantified. Nonpolar steroid derivatives were extracted from the tissue with a mixture of chloroform and methanol. The extract was subjected to column and high performance liquid chromatography in order to remove phospholipids, cholesterol, triglycerides, cholesteryl esters, and unesterified steroids. A portion of the purified nonpolar material was subjected to methanolysis. By gas-liquid chromatographic analysis, the products were shown to consist of the steroids 3 beta-hydroxy-5 alpha-pregnan-20-one (80%) and pregnenolone (20%), and the methyl esters of palmitic (34%), stearic (27%), oleic (22%), linoleic (7%), arachidonic (7%), palmitoleic (3%), and eicosatrienoic (1%) acids. Mass spectrometric analysis of the intact lipoidal derivatives and of their methoximes confirmed the presence of seven esters of allopregnanolone and pregnenolone: allopregnanolone palmitate, pregnenolone palmitate, allopregnanolone stearate, allopregnanolone oleate, allopregnanolone linoleate, allopregnanolone eicosatrienoate, and pregnenolone arachidonate. The mass spectral data suggested that four other esters were also present: pregnenolone stearate, pregnenolone oleate, pregnenolone linoleate, and allopregnanolone arachidonate.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Nov
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pubmed:issn |
0021-9258
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
255
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
10618-23
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:7430140-Animals,
pubmed-meshheading:7430140-Cattle,
pubmed-meshheading:7430140-Chromatography, Gas,
pubmed-meshheading:7430140-Corpus Luteum,
pubmed-meshheading:7430140-Female,
pubmed-meshheading:7430140-Isomerism,
pubmed-meshheading:7430140-Lipids,
pubmed-meshheading:7430140-Mass Spectrometry,
pubmed-meshheading:7430140-Pregnanes,
pubmed-meshheading:7430140-Pregnanolone,
pubmed-meshheading:7430140-Pregnenolone
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pubmed:year |
1980
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pubmed:articleTitle |
Identification of fatty acid esters of pregnenolone and allopregnanolone from bovine corpora lutea.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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