Vitamines Essential Food Factors
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In our eReader you can find the full English version of the book. Read Vitamines Essential Food Factors Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Vitamines Essential Food Factors
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To quickly assess the difficulty of the text, read a short excerpt:
Beriberi develops; but since the bird is the hospital patient, we must call the disease polyneuritis.
You next take a little bit of your ground yeast and mix it with the polished rice. The beriberi disap- pears. Yeast contains the curative agent, just as does the husk in rice. You next take your yeast and by a chemical reaction, or a series of such re- actions, you get two fractions, A and B. You now 124 VITAMINES prepare two more patients by feeding pigeons with polished rice, thereby inducing... polyneuritis. To the diet of one of these beriberi pigeons you add a little bit of A. The bird does not revive, but gets worse and worse and finally dies. To the diet of the other animal you add a portion of B ; the bird completely recovers. From this it follows that of your two fractions, A and B, A does not, and B does contain the vitamine. Whereupon you dis- card A altogether and from now on confine your attention to B. You now proceed by another series of chemical reactions to divide B into two or more fractions, and you test each fraction for the vitamine by its effects when added to a diet of polished rice.
What to read after Vitamines Essential Food Factors?
You can find similar books in the "Read Also" column, or choose other free books by Benjamin Harrow to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Beriberi develops; but since the bird is the hospital patient, we must call the disease polyneuritis.
You next take a little bit of your ground yeast and mix it with the polished rice. The beriberi disap- pears. Yeast contains the curative agent, just as does the husk in rice. You next take your yeast and by a chemical reaction, or a series of such re- actions, you get two fractions, A and B. You now 124 VITAMINES prepare two more patients by feeding pigeons with polished rice, thereby inducing... polyneuritis. To the diet of one of these beriberi pigeons you add a little bit of A. The bird does not revive, but gets worse and worse and finally dies. To the diet of the other animal you add a portion of B ; the bird completely recovers. From this it follows that of your two fractions, A and B, A does not, and B does contain the vitamine. Whereupon you dis- card A altogether and from now on confine your attention to B. You now proceed by another series of chemical reactions to divide B into two or more fractions, and you test each fraction for the vitamine by its effects when added to a diet of polished rice.
What to read after Vitamines Essential Food Factors?
You can find similar books in the "Read Also" column, or choose other free books by Benjamin Harrow to read onlineMoreLess
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