Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/3394
Título: Survival of probiotic bacteria in a whey cheese vector submitted to environmental conditions prevailing in the gastrointestinal tract
Autor: Madureira, A. R.
Pereira, C. I.
Truszkowska, K.
Gomes, A. M.
Pintado, M. E.
Malcata, F. X.
Palavras-chave: Gastric acid
Bile salts
Dairy products
Lactobacilli
Bifidobacteria
Data: 2005
Editora: Elsevier
Citação: MADUREIRA, A. R...[et al.] - Survival of probiotic bacteria in a whey cheese vector submitted to environmental conditions prevailing in the gastrointestinal tract. International Dairy Journal. ISSN 0958-6946. Vol. 15, n.º 6-9 (2005), p. 921–927
Resumo: Various foods may be used to deliver probiotic bacteria into the gastrointestinal tract; one such example is Requeijão, a Portuguese whey cheese. Survival and stability of Bifidobacterium animalis strains BLC-1, Bb-12, and Bo, Lactobacillus acidophilus strains LAC-1 and Ki, L. paracasei ssp. paracasei strain LCS-1 and L. brevis strain LMG 6906 inoculated into Requeijão, when exposed to simulated gastrointestinal tract conditions, were assessed. Homogenates of inoculated whey cheese in 0.85% (w/v) sterile saline water were exposed to a solution of hydrochloric acid (pH 2.5–3.0) and pepsin (1000 unitsmL–1) at 371C, and then to 0.3% (w/v) bile salts after 60 or 120 min of acid exposure. All bacterial strains retained their initial viable cell numbers. Bifidobacterium animalis strains Bb-12 and Bo, and L. brevis strain LMG 6906 exhibited the highest viable cell numbers when exposed to bile salts, whereas the other strains had variable death rates.
URI: http://hdl.handle.net/10400.14/3394
Versão do Editor: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T7C-4FWK6CM-2&_user=2460358&_coverDate=09%2F30%2F2005&_rdoc=42&_fmt=high&_orig=browse&_origin=browse&_zone=rslt_list_item&_srch=doc-info%28%23toc%235055%232005%23999849993%23596675%23FLA%23display%23Volume%29&_cdi=5055&_sort=d&_docanchor=&_ct=46&_acct=C000057417&_version=1&_urlVersion=0&_userid=2460358&md5=3582d5111e03f8b68ba11c5107af1913&searchtype=a
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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