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Osaili, T.M., Shaker, R.R., Ayyash, M.M., Al-Nabulsi, A.A. and Forsythe, S.J. 
ORCID: 0000-0002-6709-0712,
2009.
Survival and growth of Cronobacter species (Enterobacter) sakazakii in wheat-based infant follow on formulas.
Letters in Applied Microbiology, 48 (4), pp. 408-412.
ISSN 1472-765X
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Abstract
Aim: To determine the survival and growth characteristics of Cronobacter species (Enterobacter sakazakii) in infant wheat-based formulas reconstituted with water, milk, grape juice or apple juice during storage. Methods and Results: Infant wheat-based formulas were reconstituted with water, UHT milk, pasteurized grape or apple juices. The reconstituted formulas were inoculated with C. sakazakii and C. muytjensii and stored at 4, 25 or 37°C for up to 24h. At 25 and 37°C, Cronobacter grew more (>5 logio) in formulas reconstituted with water or milk than those prepared with grape or apple juices (ca. 2-3 logio). The organism persisted, but did not grow in any formulas stored at 4°C. Formulas reconstituted with water and milk decreased from pH 6.0 to 4.8-5.0 after 24h, whereas the pH of the formulas reconstituted with fruit juices remained at their initial pH values, ca. pH 4.8-5.0. Conclusion: C sakazakii and C muytjensii can grow in reconstituted wheat-based formulas. If not immediately consumed, these formulas should be stored at refrigeration temperatures to reduce the risk of infant infection. Significance and Impact of the Study: The results of this study will be of use to regulatory agencies and infant formula producers to recommend storage conditions that reduce the growth of Cronobacter in infant wheat-based formulas.
| Item Type: | Journal article | ||||
|---|---|---|---|---|---|
| Alternative Title: | Survival of Cronobacter species in follow on formula [running title] | ||||
| Description: | The definitive version is available at www3.interscience.wiley.com | ||||
| Publication Title: | Letters in Applied Microbiology | ||||
| Creators: | Osaili, T.M., Shaker, R.R., Ayyash, M.M., Al-Nabulsi, A.A. and Forsythe, S.J. | ||||
| Publisher: | Wiley-Blackwell | ||||
| Date: | 2009 | ||||
| Volume: | 48 | ||||
| Number: | 4 | ||||
| ISSN: | 1472-765X | ||||
| Identifiers: |
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| Rights: | Copyright © 2009 John Wiley & Sons, Inc. All Rights Reserved. | ||||
| Divisions: | Schools > School of Science and Technology | ||||
| Record created by: | EPrints Services | ||||
| Date Added: | 09 Oct 2015 11:15 | ||||
| Last Modified: | 09 Jun 2017 13:54 | ||||
| URI: | https://irep.ntu.ac.uk/id/eprint/25002 |
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