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Division of Nutrition, Department of Home Economics, College of Tropical Agriculture, University of Hawaii, Honolulu, Hawaii
Various species of fish found in Hawaiian waters were analyzed for anti-thiamine activity. Twenty-one of the 30 species tested contained thiaminase. A thermostable anti-thiamine factor was also usually present in the fish that contained enzymatic activity. Although anti-thiamine activity was more prevalent in certain families of fish, there was no constant correlation between taxonomic classification or the feeding habits or habitat and the presence of anti-thiamine activity.
2 Published with the approval of the Director of the Hawaii Agricultural Experiment Station as Technical Paper no. 806.
Manuscript received 26 March 1966.