Flour and bread, prepared with or without treatment with chlorine dioxide, as long-term sources of vitamin E for rats
1958. {Destruction of vitamin E in flour by chlorine dioxide." "Chemical estimation of total tocopherols indicated a loss of 70% after the application of ClO2 at 30 ppm (the commercial level used). [though some estimation info may be inaccurate?]" "The destruction of the vitamin by chlorine dioxide was confirmed in biological tests on rats, ****which had smaller testes when their diets had ClO2-treated flour."