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Article: Survival of bifidobacteria during refrigerated storage in the presence of acid and hydrogen peroxide

TitleSurvival of bifidobacteria during refrigerated storage in the presence of acid and hydrogen peroxide
Authors
Issue Date1996
Citation
Milchwissenschaft, 1996, v. 51 n. 2, p. 65-69 How to Cite?
Abstract26 Bifidobacteria (survival during refrigerated storage) Survival of 9 strains of bifidobacteria (Bifidobacterium bifidum 1900 and 1901, B. longum 1941 and 20097, B. infantis 1912, B. adolescentis 1920, B. breve 1930, B. pseudolongum 20099 and B. thermophilum 20210) during 6 weeks storage at 4°C in the presence of acid and acid and hydrogen peroxide was studied. Cultures grown in sterile nonfat dry milk for 18 h at 37°C were adjusted to pH 4.3, 4.1, 3.9 and 3.7 with 4N lactic acid, and hydrogen peroxide was added to another set of cultures adjusted to pH 3.7 to 4.3 to achieve a final concentration of 10O μg/ml. After the pH and hydrogen peroxide adjustments, the cultures were stored at 4°C for 6 weeks, and samples were taken at 6 d intervals to determine the viable counts of bifidobacteria. The survival of B. bifidum 1900 and 1901, B. adolescentis 1920, B. breve 1930, B. longum 20097 and B. thermophilum 20210 was adversely affected in presence of acid, and the viability of these strains was even more affected in presence of acid and hydrogen peroxide, indicating a synergistic inhibition of bifidobacteria by acid and hydrogen peroxide. However, B. infantis 1912, B. longum 1941 and B. pseudolongum 20099 survived well in presence of acid and acid and hydrogen peroxide, suggesting that these strains can be used as dietary adjuncts in fermented dairy foods.
Persistent Identifierhttp://hdl.handle.net/10722/144370
ISSN
2014 Impact Factor: 0.247
2015 SCImago Journal Rankings: 0.200
References

 

DC FieldValueLanguage
dc.contributor.authorLankaputhra, WEVen_HK
dc.contributor.authorShah, NPen_HK
dc.contributor.authorBritz, MLen_HK
dc.date.accessioned2012-01-20T09:01:40Z-
dc.date.available2012-01-20T09:01:40Z-
dc.date.issued1996en_HK
dc.identifier.citationMilchwissenschaft, 1996, v. 51 n. 2, p. 65-69en_HK
dc.identifier.issn0026-3788en_HK
dc.identifier.urihttp://hdl.handle.net/10722/144370-
dc.description.abstract26 Bifidobacteria (survival during refrigerated storage) Survival of 9 strains of bifidobacteria (Bifidobacterium bifidum 1900 and 1901, B. longum 1941 and 20097, B. infantis 1912, B. adolescentis 1920, B. breve 1930, B. pseudolongum 20099 and B. thermophilum 20210) during 6 weeks storage at 4°C in the presence of acid and acid and hydrogen peroxide was studied. Cultures grown in sterile nonfat dry milk for 18 h at 37°C were adjusted to pH 4.3, 4.1, 3.9 and 3.7 with 4N lactic acid, and hydrogen peroxide was added to another set of cultures adjusted to pH 3.7 to 4.3 to achieve a final concentration of 10O μg/ml. After the pH and hydrogen peroxide adjustments, the cultures were stored at 4°C for 6 weeks, and samples were taken at 6 d intervals to determine the viable counts of bifidobacteria. The survival of B. bifidum 1900 and 1901, B. adolescentis 1920, B. breve 1930, B. longum 20097 and B. thermophilum 20210 was adversely affected in presence of acid, and the viability of these strains was even more affected in presence of acid and hydrogen peroxide, indicating a synergistic inhibition of bifidobacteria by acid and hydrogen peroxide. However, B. infantis 1912, B. longum 1941 and B. pseudolongum 20099 survived well in presence of acid and acid and hydrogen peroxide, suggesting that these strains can be used as dietary adjuncts in fermented dairy foods.en_HK
dc.languageengen_US
dc.relation.ispartofMilchwissenschaften_HK
dc.titleSurvival of bifidobacteria during refrigerated storage in the presence of acid and hydrogen peroxideen_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-s2.0-0011103218en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0011103218&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume51en_HK
dc.identifier.issue2en_HK
dc.identifier.spage65en_HK
dc.identifier.epage69en_HK
dc.identifier.scopusauthoridLankaputhra, WEV=6603120845en_HK
dc.identifier.scopusauthoridShah, NP=7401823907en_HK
dc.identifier.scopusauthoridBritz, ML=7003914863en_HK

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