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Article: Antimicrobial substance produced by Lactobacillus helveticus 2700

TitleAntimicrobial substance produced by Lactobacillus helveticus 2700
Authors
Issue Date1999
Citation
Australian Journal Of Dairy Technology, 1999, v. 54 n. 1, p. 9-13 How to Cite?
AbstractFifteen lactic acid bacteria (LAB) were screened for their ability to produce antimicrobial substances against Lactobacillus delbrueckii ssp. bulgaricus 2519, Lactobacillus helveticus 2700, Lactobacillus casei 2603 and Lactobacillus jugurti 2819. Of the fifteen LAB, L. helveticus 2700, Lactobacillus plantarum 2903 and Lactobacillus fermentum 5174 exhibited antimicrobial activity. The characteristics of the antimicrobial substance produced by L. helveticus 2700 were studied. The antimicrobial substance produced in fermented milk by L. helveticus 2700 inhibited seven strains of L. delbrueckii ssp. bulgaricus, the producer organism L. helveticus 2700, 14 strains of L acidophilus and one strain each of L. plantarum 2903 and L. jugurti 2819, but not the other LAB, spoilage and pathogenic micro-organisms tested. The antimicrobial activity of L. helveticus 2700 was not due to organic acids or hydrogen peroxide. The molecular weight of the substance was less than 5000 daltons. The substance was active over a pH range of 3.0-10.0, and inactivation occurred at 70°C.
Persistent Identifierhttp://hdl.handle.net/10722/144351
ISSN
2012 Impact Factor: 0.415
2013 SCImago Journal Rankings: 0.203
References

 

DC FieldValueLanguage
dc.contributor.authorDave, RIen_HK
dc.contributor.authorShah, NPen_HK
dc.date.accessioned2012-01-20T09:01:34Z-
dc.date.available2012-01-20T09:01:34Z-
dc.date.issued1999en_HK
dc.identifier.citationAustralian Journal Of Dairy Technology, 1999, v. 54 n. 1, p. 9-13en_HK
dc.identifier.issn0004-9433en_HK
dc.identifier.urihttp://hdl.handle.net/10722/144351-
dc.description.abstractFifteen lactic acid bacteria (LAB) were screened for their ability to produce antimicrobial substances against Lactobacillus delbrueckii ssp. bulgaricus 2519, Lactobacillus helveticus 2700, Lactobacillus casei 2603 and Lactobacillus jugurti 2819. Of the fifteen LAB, L. helveticus 2700, Lactobacillus plantarum 2903 and Lactobacillus fermentum 5174 exhibited antimicrobial activity. The characteristics of the antimicrobial substance produced by L. helveticus 2700 were studied. The antimicrobial substance produced in fermented milk by L. helveticus 2700 inhibited seven strains of L. delbrueckii ssp. bulgaricus, the producer organism L. helveticus 2700, 14 strains of L acidophilus and one strain each of L. plantarum 2903 and L. jugurti 2819, but not the other LAB, spoilage and pathogenic micro-organisms tested. The antimicrobial activity of L. helveticus 2700 was not due to organic acids or hydrogen peroxide. The molecular weight of the substance was less than 5000 daltons. The substance was active over a pH range of 3.0-10.0, and inactivation occurred at 70°C.en_HK
dc.languageengen_US
dc.relation.ispartofAustralian Journal of Dairy Technologyen_HK
dc.titleAntimicrobial substance produced by Lactobacillus helveticus 2700en_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.scopuseid_2-s2.0-0033417906en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033417906&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume54en_HK
dc.identifier.issue1en_HK
dc.identifier.spage9en_HK
dc.identifier.epage13en_HK
dc.identifier.scopusauthoridDave, RI=7101612678en_HK
dc.identifier.scopusauthoridShah, NP=7401823907en_HK

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