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Article: Biotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powder

TitleBiotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powder
Authors
KeywordsAglycones
Isoflavone
Lactose
Probiotics
Soy protein isolate and skim milk powder
Issue Date2007
PublisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0022-1147
Citation
Journal Of Food Science, 2007, v. 72 n. 8, p. M316-M324 How to Cite?
AbstractTwo probiotic strains, Bifidobacterium animalis A and B, were used for the biotransformation of isoflavone glycosides in soymilk prepared from soy protein isolate (SPI) supplemented with skim milk powder (SMP) (SSMP). Unsupplemented soymilk (USM) and reconstituted skim milk powder (RSMP) were used as controls. The numbers of viable microorganisms in these products were enumerated. Lactose and isoflavone contents were quantified using high-performance liquid chromatography (HPLC). Our results showed that there was significantly higher biotransformation of isoflavone glycosides to aglycones in SSMP than that in USM. The levels of biotransformation were 83.96% and 85.43% for B. animalis A and B, respectively, compared to 74.30% and 72.82% for the USM. In addition, lactose utilization by both strains in SSMP was also higher than that in RSMP. At 24 h, 21.16 mg/mL of lactose was utilized in SSMP by B. animalis A compared with that of 16.88 mg/mL in RSMP. Consequently, the pH of SSMP was lower (3.80) than RSMP (4.00). However, the number of viable bacteria in SSMP was slightly lower than that in RSMP but significantly higher than that in USM. It appears that SMP enhanced the biotransformation of isoflavone glycosides to aglycones and SPI increased the lactose utilization by B. animalis A and B. © 2007 Institute of Food Technologists.
Persistent Identifierhttp://hdl.handle.net/10722/144410
ISSN
2015 Impact Factor: 1.649
2015 SCImago Journal Rankings: 0.839
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorPham, TTen_HK
dc.contributor.authorShah, NPen_HK
dc.date.accessioned2012-01-20T09:01:54Z-
dc.date.available2012-01-20T09:01:54Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal Of Food Science, 2007, v. 72 n. 8, p. M316-M324en_HK
dc.identifier.issn0022-1147en_HK
dc.identifier.urihttp://hdl.handle.net/10722/144410-
dc.description.abstractTwo probiotic strains, Bifidobacterium animalis A and B, were used for the biotransformation of isoflavone glycosides in soymilk prepared from soy protein isolate (SPI) supplemented with skim milk powder (SMP) (SSMP). Unsupplemented soymilk (USM) and reconstituted skim milk powder (RSMP) were used as controls. The numbers of viable microorganisms in these products were enumerated. Lactose and isoflavone contents were quantified using high-performance liquid chromatography (HPLC). Our results showed that there was significantly higher biotransformation of isoflavone glycosides to aglycones in SSMP than that in USM. The levels of biotransformation were 83.96% and 85.43% for B. animalis A and B, respectively, compared to 74.30% and 72.82% for the USM. In addition, lactose utilization by both strains in SSMP was also higher than that in RSMP. At 24 h, 21.16 mg/mL of lactose was utilized in SSMP by B. animalis A compared with that of 16.88 mg/mL in RSMP. Consequently, the pH of SSMP was lower (3.80) than RSMP (4.00). However, the number of viable bacteria in SSMP was slightly lower than that in RSMP but significantly higher than that in USM. It appears that SMP enhanced the biotransformation of isoflavone glycosides to aglycones and SPI increased the lactose utilization by B. animalis A and B. © 2007 Institute of Food Technologists.en_HK
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0022-1147en_HK
dc.relation.ispartofJournal of Food Scienceen_HK
dc.subjectAglyconesen_HK
dc.subjectIsoflavoneen_HK
dc.subjectLactoseen_HK
dc.subjectProbioticsen_HK
dc.subjectSoy protein isolate and skim milk powderen_HK
dc.titleBiotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powderen_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.doi10.1111/j.1750-3841.2007.00476.xen_HK
dc.identifier.pmid17995612-
dc.identifier.scopuseid_2-s2.0-35348895159en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-35348895159&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume72en_HK
dc.identifier.issue8en_HK
dc.identifier.spageM316en_HK
dc.identifier.epageM324en_HK
dc.identifier.isiWOS:000250408900020-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPham, TT=55426327300en_HK
dc.identifier.scopusauthoridShah, NP=7401823907en_HK

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