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- Publisher Website: 10.1016/j.idairyj.2004.08.007
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Article: Bile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strains
Title | Bile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strains |
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Authors | |
Keywords | BSH Cholesterol precipitation Deconjugation Lactobacilli |
Issue Date | 2005 |
Publisher | Elsevier 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? |
Abstract | Eleven 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 Identifier | http://hdl.handle.net/10722/144452 |
ISSN | 2023 Impact Factor: 3.1 2023 SCImago Journal Rankings: 0.761 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Liong, MT | en_HK |
dc.contributor.author | Shah, NP | en_HK |
dc.date.accessioned | 2012-01-20T09:02:09Z | - |
dc.date.available | 2012-01-20T09:02:09Z | - |
dc.date.issued | 2005 | en_HK |
dc.identifier.citation | International Dairy Journal, 2005, v. 15 n. 4, p. 391-398 | en_HK |
dc.identifier.issn | 0958-6946 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/144452 | - |
dc.description.abstract | Eleven 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.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/idairyj | en_HK |
dc.relation.ispartof | International Dairy Journal | en_HK |
dc.subject | BSH | en_HK |
dc.subject | Cholesterol precipitation | en_HK |
dc.subject | Deconjugation | en_HK |
dc.subject | Lactobacilli | en_HK |
dc.title | Bile salt deconjugation ability, bile salt hydrolase activity and cholesterol co-precipitation ability of lactobacilli strains | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Shah, NP: npshah@hku.hk | en_HK |
dc.identifier.authority | Shah, NP=rp01571 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/j.idairyj.2004.08.007 | en_HK |
dc.identifier.scopus | eid_2-s2.0-12344257016 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-12344257016&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 15 | en_HK |
dc.identifier.issue | 4 | en_HK |
dc.identifier.spage | 391 | en_HK |
dc.identifier.epage | 398 | en_HK |
dc.identifier.isi | WOS:000227632000010 | - |
dc.publisher.place | Netherlands | en_HK |
dc.identifier.scopusauthorid | Liong, MT=22035883200 | en_HK |
dc.identifier.scopusauthorid | Shah, NP=7401823907 | en_HK |
dc.identifier.issnl | 0958-6946 | - |