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Oshikata C, Tsurikisawa N, Saito A, et al. Occupational asthma from exposure to rye flour in a Japanese baker. Respirol Case Rep. 2014;2(3):102-4doi: 10.1002/rcr2.63.
Oshikata, C., Tsurikisawa, N., Saito, A., Yasueda, H., & Akiyama, K. (2014). Occupational asthma from exposure to rye flour in a Japanese baker. Respirology case reports, 2(3), 102-4. https://doi.org/10.1002/rcr2.63
Oshikata, Chiyako, et al. "Occupational asthma from exposure to rye flour in a Japanese baker." Respirology case reports vol. 2,3 (2014): 102-4. doi: https://doi.org/10.1002/rcr2.63
Oshikata C, Tsurikisawa N, Saito A, Yasueda H, Akiyama K. Occupational asthma from exposure to rye flour in a Japanese baker. Respirol Case Rep. 2014 Sep;2(3):102-4. doi: 10.1002/rcr2.63. Epub 2014 Jul 14. PMID: 25473582; PMCID: PMC4184739.
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Respirol Case Rep. 2014 Sep;2(3):102-4. doi: 10.1002/rcr2.63. Epub 2014 Jul 14.

Occupational asthma from exposure to rye flour in a Japanese baker.

Respirology case reports

Chiyako Oshikata, Naomi Tsurikisawa, Akemi Saito, Hiroshi Yasueda, Kazuo Akiyama

Affiliations

  1. Department of Allergy and Respirology, National Hospital Organization Sagamihara National Hospital Sagamihara, Japan.
  2. Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital Sagamihara, Japan.

PMID: 25473582 PMCID: PMC4184739 DOI: 10.1002/rcr2.63

Abstract

Three years after beginning employment at a bakery, a 32-year-old Japanese man began experiencing acute asthma exacerbations after exposure to rye flour. Antigen-specific serum IgE antibodies were detected to the albumin and globulin, gliadin, prolamin, and glutenin protein fractions of rye flour purified from the crude antigen, but only to the albumin and globulin fraction of wheat flour. The histamine concentration producing one-half maximal effect was lower for all four rye flour fractions than for the wheat flour fractions. After inhalation of the albumin and globulin fraction of rye flour, forced expiratory volume in 1 sec decreased to 77.7% of that pre-provocation. To our knowledge, this is the first report of baker's asthma due to rye flour in Japan.

Keywords: Baker’s asthma; bronchial provocation test; occupational asthma; rye flour; wheat flour

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