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- Publisher Website: 10.1111/j.1750-3841.2007.00476.x
- Scopus: eid_2-s2.0-35348895159
- PMID: 17995612
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Article: Biotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powder
Title | Biotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powder |
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Authors | |
Keywords | Aglycones Isoflavone Lactose Probiotics Soy protein isolate and skim milk powder |
Issue Date | 2007 |
Publisher | Wiley-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? |
Abstract | Two 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 Identifier | http://hdl.handle.net/10722/144410 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 0.783 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Pham, TT | en_HK |
dc.contributor.author | Shah, NP | en_HK |
dc.date.accessioned | 2012-01-20T09:01:54Z | - |
dc.date.available | 2012-01-20T09:01:54Z | - |
dc.date.issued | 2007 | en_HK |
dc.identifier.citation | Journal Of Food Science, 2007, v. 72 n. 8, p. M316-M324 | en_HK |
dc.identifier.issn | 0022-1147 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/144410 | - |
dc.description.abstract | Two 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.language | eng | en_US |
dc.publisher | Wiley-Blackwell Publishing, Inc. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0022-1147 | en_HK |
dc.relation.ispartof | Journal of Food Science | en_HK |
dc.subject | Aglycones | en_HK |
dc.subject | Isoflavone | en_HK |
dc.subject | Lactose | en_HK |
dc.subject | Probiotics | en_HK |
dc.subject | Soy protein isolate and skim milk powder | en_HK |
dc.title | Biotransformation of isoflavone glycosides by Bifidobacterium animalis in soymilk supplemented with skim milk powder | 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 | 10.1111/j.1750-3841.2007.00476.x | en_HK |
dc.identifier.pmid | 17995612 | - |
dc.identifier.scopus | eid_2-s2.0-35348895159 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-35348895159&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 72 | en_HK |
dc.identifier.issue | 8 | en_HK |
dc.identifier.spage | M316 | en_HK |
dc.identifier.epage | M324 | en_HK |
dc.identifier.isi | WOS:000250408900020 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Pham, TT=55426327300 | en_HK |
dc.identifier.scopusauthorid | Shah, NP=7401823907 | en_HK |
dc.identifier.issnl | 0022-1147 | - |