THE EXTRACTION OF THE ANTINEURITIC VITAMIN (VITAMIN B1) FROM DRIED BREWERS' YEAST
نویسندگان
چکیده
منابع مشابه
The Differential Extraction from Dried Brewers’ Yeast of the Antineuritic (vita-
Since the demonstration of the dual nature of vitamin B in 1926 (1, 2) which has been amply confirmed in recent years (35), there has been no satisfactory method for the separation of the heat-labile antineuritic (vitamin B,) from the more heat-stable growth-promoting (vitamin B,) component of the vitamin B complex. There are numerous experiments recorded in the lit,erature indicating that at l...
متن کاملThe Vitamin B1 and B2 G Content of Liver Extract and Brewers' Yeast Concentrate
1. Liver extract powder, No. 343 Lilly, and the same material prepared for parenteral use, when administered daily by mouth in amounts derived from 2.5 gm. of fresh whole liver, to rats weighing from 40 to 50 gm., contain sufficient vitamin B(1) to support normal growth, provided the animals receive in addition an adequate amount of vitamin B(2) G. Moreover, liver extract in the forms mentioned...
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THIS work is being communicated now for two reasons. Confirmation of a previous statement is needed that preparations of activity under 0.1 mg. per day pigeon dose can be obtained from yeast. Moreover the details of preparing these more active concentrates are required in explanation of an accompanying paper [Peters, Kinnersley, Orr-Ewing and Reader, 1928]. It must be stated at the outset that ...
متن کاملVitamin B1
Vitamin B1 is a watersoluble vitamin. It consists out of a pyrimidineand a thiazol ring, which are synthesized independently and linked afterwards.Vitamin B1 is de novo produced by many plants and microorganisms. Humans and animals have to take it up by nutrition. They are only able to do the phosphorylation reaction of the thiamin molecule. Thiamin is found free and as mono-, diand triphosphat...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1933
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)75993-0