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Article: Bile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strains

TitleBile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strains
Authors
KeywordsBSH
Cholesterol precipitation
Deconjugation
Lactobacilli
Issue Date2005
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/idairyj
Citation
International Dairy Journal, 2005, v. 15 n. 4, p. 391-398 How to Cite?
AbstractEleven strains of lactobacilli were screened for their bile salt deconjugation ability, bile salt hydrolase activity (BSH) and co-precipitation of cholesterol with deconjugated bile. Bile salt deconjugation as determined by the release of cholic acid showed that more cholic acid was liberated from the deconjugation of sodium glycocholate than sodium taurocholate, and Lactobacillus acidophilus strains had higher deconjugation ability than L. casei strains. BSH activity, as quantified by the amount of taurine or glycine liberated from conjugated bile salts, indicated that substrate specificity was more towards glycine-conjugated bile compared to taurine-conjugated bile. Co-precipitation of cholesterol with cholic acid was observed from deconjugation of both conjugated bile, with more cholesterol being precipitated upon deconjugation of sodium glycocholate than upon that of sodium taurocholate. Cholesterol co-precipitation with deconjugated bile increased with decreasing pH. L. acidophilus ATCC 33200, 4356 and 4962 and L. casei ASCC 1521 showed highest deconjugation ability and BSH activity towards bile mixtures that resemble the human bile, and may be promising candidates to exert beneficial bile deconjugation activity in vivo. © 2004 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/144452
ISSN
2015 Impact Factor: 1.938
2015 SCImago Journal Rankings: 0.991
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiong, MTen_HK
dc.contributor.authorShah, NPen_HK
dc.date.accessioned2012-01-20T09:02:09Z-
dc.date.available2012-01-20T09:02:09Z-
dc.date.issued2005en_HK
dc.identifier.citationInternational Dairy Journal, 2005, v. 15 n. 4, p. 391-398en_HK
dc.identifier.issn0958-6946en_HK
dc.identifier.urihttp://hdl.handle.net/10722/144452-
dc.description.abstractEleven strains of lactobacilli were screened for their bile salt deconjugation ability, bile salt hydrolase activity (BSH) and co-precipitation of cholesterol with deconjugated bile. Bile salt deconjugation as determined by the release of cholic acid showed that more cholic acid was liberated from the deconjugation of sodium glycocholate than sodium taurocholate, and Lactobacillus acidophilus strains had higher deconjugation ability than L. casei strains. BSH activity, as quantified by the amount of taurine or glycine liberated from conjugated bile salts, indicated that substrate specificity was more towards glycine-conjugated bile compared to taurine-conjugated bile. Co-precipitation of cholesterol with cholic acid was observed from deconjugation of both conjugated bile, with more cholesterol being precipitated upon deconjugation of sodium glycocholate than upon that of sodium taurocholate. Cholesterol co-precipitation with deconjugated bile increased with decreasing pH. L. acidophilus ATCC 33200, 4356 and 4962 and L. casei ASCC 1521 showed highest deconjugation ability and BSH activity towards bile mixtures that resemble the human bile, and may be promising candidates to exert beneficial bile deconjugation activity in vivo. © 2004 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/idairyjen_HK
dc.relation.ispartofInternational Dairy Journalen_HK
dc.subjectBSHen_HK
dc.subjectCholesterol precipitationen_HK
dc.subjectDeconjugationen_HK
dc.subjectLactobacillien_HK
dc.titleBile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strainsen_HK
dc.typeArticleen_HK
dc.identifier.emailShah, NP: npshah@hku.hken_HK
dc.identifier.authorityShah, NP=rp01571en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.idairyj.2004.08.007en_HK
dc.identifier.scopuseid_2-s2.0-12344257016en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-12344257016&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue4en_HK
dc.identifier.spage391en_HK
dc.identifier.epage398en_HK
dc.identifier.isiWOS:000227632000010-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridLiong, MT=22035883200en_HK
dc.identifier.scopusauthoridShah, NP=7401823907en_HK

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