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This is a technical review of recent chemical research on the vitamins and hormones and is the first volume of a series. The remaining three volumes will be concerned with the preparation of vitamin and hormone products. The sex hormones will be the subject of a separate volume, the fourth in the series.
It is interesting to note that the authors refer to vitamin A as "axerophtol." This name is unfortunate because it refers to but one symptom of A deficiency in animals. Moreover, the name is chemically uninformative. The discussion of the chemistry of vitamin A is brief and clear. There is included a description of the synthesis of vitamin A according to Kuhn. Vitamin B1, for which the authors have not used the preferred American term thiamin chloride, is also discussed briefly but in sufficient detail. The methods of preparation of riboflavin are described. Mention is made
Chemie und Technik der Gegenwart. JAMA. 1939;112(11):1100. doi:10.1001/jama.1939.02800110080029
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