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JAMA. 1932;99(18):1524-1526. doi:10.1001/jama.1932.02740700064030.
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Congress on Bread Making  The International Congress on Bread Making, held at Rome, was attended by representatives from nearly every country of the world. Among the biologists who participated in the work of the scientific section of the congress were Professors Machebeuf, of the Institut Pasteur de Paris; Bertarelli of Pavia, and Baglioni and Visco of Rome.Great interest was awakened by the discussion on the subject of "Artificial Bleaching of Flour." Professor Bertarelli was favorable to bleaching by means of nitrogen oxide. Professor Baglioni pointed out that bleaching is demanded chiefly as a matter of appearance and custom, since the biologic value of bread made with chemically bleached flour is probably less than of that made with natural, unbleached flour, which preserves, in contrast with the bleached flour, the carotene and the carotenoids.Professor Machebeuf exhibited a type of bread that can be kept fresh, in a tin box,


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