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July 7, 1951

Methods of Vitamin Assay.

JAMA. 1951;146(10):976. doi:10.1001/jama.1951.03670100096046

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Abstract

With the strides made in both vitamin technology and therapy and the advent of new vitamins, this edition of a widely accepted and used book is warmly welcomed. Assays for members of the vitamin B complex family, newly included in this edition, are those for pantothenic acid, pyridoxine, folic acid, biotin, vitamin B12, and a chemical analysis for nicotinic acid (niacin). Both suggestions from interested persons and information from current literature have been utilized in the revision of the methods included in the first edition.

The chapter on vitamin B12 should be of special interest because of the world-wide attention which has been focused on this important newcomer to the field since the announcement of its discovery in 1948.

The book includes time-tried analytical procedures only. The methods included have been successfully applied to a variety of foods or other materials by several committee members.

The main merit of

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