<<Disclaimer: Verify this information before applying it to your situation.>>

Yeast sensitivity is indeed common in CD.  And yeast species are among the
microorganisms specifically used to make kefir.  Lifeway Kefir uses
Saccharomyces florentinus in its products.  Its not clear just which or how
many yeast species can cause problems in yeast-sensitive CD patients.

Lifeway Kefir info:
http://www.lifeway.net/research/research_reports.html

The following free full-text paper discusses Saccharomyces cerevisiae
sensitivity in CD:

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World J Gastroenterol. 2003 Oct;9(10):2308-12

Full-text HTML:
http://www.wjgnet.com/1007-9327/9/2308.asp

Full-text PDF:
http://www.wjgnet.com/1007-9327/9/2308.pdf

Seroreactivity against Saccharomyces cerevisiae in patients with Crohn's
disease and celiac disease.

Barta Z, Csipo I, Szabo GG, Szegedi G.

3rd Dept. of Medicine, University of Debrecen, Moricz Zs. Krt.22. 4004
Debrecen, Hungary. [log in to unmask]

AIM: To explore whether there was anti-Saccharomyces cerevisiae antibodies
(ASCA) positivity in our patients with biopsy-confirmed celiac disease.
METHODS: A cohort of patients with inflammatory bowel diseases (42 patients
with Crohn's disease and 10 patients with ulcerative colitis) and gluten
sensitive enteropathy (16 patients) from Debrecen, Hungary were enrolled in
the study. The diagnosis was made using the formally accepted criteria.
Perinuclear antineutrophil cytoplasmic antibodies (pANCA) and anti-
Saccharomyces cerevisiae antibodies (ASCA), antiendomysium antibodies
(EMA), antigliadin antibodies (AGA) and anti human tissue transglutaminase
antibodies (tTGA) were investigated. RESULTS: The results showed that ASCA
positivity occurred not only in Crohn's disease but also in Celiac disease
and in these cases both the IgG and IgA type antibodies were proved.
CONCLUSION: It is conceivable that ASCA positivity correlates with the
(auto-) immune inflammation of small intestines and it is a specific marker
of Crohn's disease.

PMID: 14562398 [PubMed - indexed for MEDLINE]

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