Source:http://linkedlifedata.com/resource/pubmed/id/17512743
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
14
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pubmed:dateCreated |
2007-6-6
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pubmed:abstractText |
Disaccharides 2-O-, 3-O-, and 4-O-beta-D-galactopyranosyl-D-xyloses (2, 3, and 1, respectively) were obtained by beta-galactosidase-catalyzed reactions for their use in the evaluation of intestinal lactase activity in vivo. Their administration to suckling rats followed by determination of the derived D-xylose in the urine and measurement of lactase activity in intestinal homogenates showed 1 to be the most suitable disaccharide for a potential test of the deficiency of intestinal lactase. The synthesis of 1 was further studied by evaluating the effect of different variables on the yield and regioselectivity of the enzymatic galactosylation, and the purification process was optimized.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Disaccharides,
http://linkedlifedata.com/resource/pubmed/chemical/Galactose,
http://linkedlifedata.com/resource/pubmed/chemical/Galactosidases,
http://linkedlifedata.com/resource/pubmed/chemical/Lactase,
http://linkedlifedata.com/resource/pubmed/chemical/Solutions,
http://linkedlifedata.com/resource/pubmed/chemical/Xylose
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0968-0896
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
15
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
4836-40
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pubmed:meshHeading |
pubmed-meshheading:17512743-Aging,
pubmed-meshheading:17512743-Animals,
pubmed-meshheading:17512743-Disaccharides,
pubmed-meshheading:17512743-Galactose,
pubmed-meshheading:17512743-Galactosidases,
pubmed-meshheading:17512743-Isomerism,
pubmed-meshheading:17512743-Lactase,
pubmed-meshheading:17512743-Molecular Structure,
pubmed-meshheading:17512743-Rats,
pubmed-meshheading:17512743-Solutions,
pubmed-meshheading:17512743-Xylose
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pubmed:year |
2007
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pubmed:articleTitle |
Optimizing the enzymatic synthesis of beta-D-galactopyranosyl-D-xyloses for their use in the evaluation of lactase activity in vivo.
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pubmed:affiliation |
Departamento de Química Orgánica Biológica, Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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