Viability of bifidobacteria in commercial dairy products during refrigerated storage

Han Seung Shin, Jong Hwa Lee, James J. Pestka, Zeynep Ustunol

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

Commercial milk and two brands of yogurt containing bifidobacteria were obtained from retail outlets. All products were evaluated for viability of bifidobacteria and lactic acid bacteria during refrigerated storage at 4°C. Milk was evaluated at 9, 6, and 3 days prior and past its expiration date. The yogurts were evaluated at 3, 2, and 1 week prior and past their expiration. Viability of bifidobacteria and lactic acid bacteria in milk and yogurt remained above 106 CFU/ml or g until the expiration date of the respective products. This microbial concentration is the recommended minimum dose to receive the health benefits of these organisms.

Original languageEnglish
Pages (from-to)327-331
Number of pages5
JournalJournal of Food Protection
Volume63
Issue number3
DOIs
StatePublished - Mar 2000

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