The Vitamine Manual

The presentation of essential data concerning vitamines to succeeding groups of students has become increasingly difficult with the development of research in this field. The li...

In 1911 Casimir Funk coined the name Vitamine to describe the substance which he believed curative of an oriental disease known as beri-beri. This disease is common in Japan, th...

The discovery of the existence of an unknown substance is naturally a stimulation to investigation of its nature. In the case of the vitamines we have many researches to this en...

It will be evident that in the absence of exact tests for a substance which is unknown chemically the problem of detecting its presence must be a matter of indirect evidence. Wh...

As far back as the days of Pasteur a controversy arose over the power of yeast cells to grow on a synthetic medium composed solely of known constituents. This controversy hinged...

Having now considered the general principles involved in vitamine testing we may justly ask what information they have yielded us in regard to the distribution of the vitamines...

While the chemists have not yet been able to isolate and identify the various vitamines they have succeeded in demonstrating many of the properties of these substances and it is...

In the preceding chapters it has been the aim to present the findings of the principal workers in the field. In attempting to summarize the work of so widely scattered a group a...

Its most abundant sources are milk, butter, egg yolk fat, and the green leaves of plants usually classed as salads. Cabbage, lettuce, spinach and carrots contain this substance...

A survey of the vitamines would be incomplete without a discussion of the vitamine deficiency diseases in particular, though many of the facts already cited obviously bear on th...