منابع مشابه
The Vitamin B Complex
died) ; and that Michael made excellent attempts to isolate the antiscorbutic principle early in the eighteenth century. Further, Lunin (1881) clearly recognized that small quantities of unknown substances were essential to life, and Pekelharing (1905) demonstrated the existence of diseases due to dietary deficiency. Yet it was Hopkins (1912) who first realized the full significance of vitamins...
متن کاملThe vitamin B complex; introductory survey.
Museum, Oxford): We meet today a t a time when reports on the part of Holland which has not been liberated are most distressing and ex. tremely alarming. I think, therefore, that this occasion cannot be passed over without expressing our hope that some of our Dutch friends, who are not able to join in today's discussions, will be restored to us safe and sound very soon. I am thinking especially...
متن کاملThe Vitamin B Complex and Ascorbic Acid
This chapter provides a summary of physiological and therapeutic roles of members of the vitamin B complex and of vitamin C. The vitamin B complex comprises a large number of compounds that differ extensively in chemical structure and biological action. They were grouped in a single class because they originally were isolated from the same sources, notably liver and yeast. There are traditional...
متن کاملWater Soluble Vitamins - Vitamin C & Vitamin B Complex in Dogs
According to Stedman's Medical Dictionary, a vitamin is 'one of a group of organic substances, present in minute amounts in natural foodstuffs, that are essential to normal metabolism.' As defined, vitamins are present in very small quantities in most foods and it is this fact that leads to the manufacture of vitamin supplements for dogs, cats, and people. Not only are vitamins naturally presen...
متن کاملCcxxii . the Distribution of the Vitamin B Complex . Iii . Fruits
MOST of the previous work on the distribution of vitamin B in fruits was carried out before the differentiation of the complex into the antineuritic vitamin B1 and the antidermatitis vitamin B2, and as a rule the results of the older experiments give only rough indications of the presence of both constituents of the complex. These have been summarised by Sherman and Smith [1931]. In the work de...
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ژورنال
عنوان ژورنال: Postgraduate Medical Journal
سال: 1941
ISSN: 0032-5473
DOI: 10.1136/pgmj.17.183.3