Word: vitamine
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Dates: during 1940-1949
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Four of the ten best-known vitamins are now manufactured in chemical works on a tonnage basis. The total annual production of synthetics and concentrates exceeds $100 million. Yet no synthetic vitamin was marketed before...
...original list of four vitamins (A, B, C, D) has been extended to 13. Vitamin B, a complex, has been separated into at least eight distinct chemicals. In addition, vitamins E and K are more recent discoveries. Half a dozen others are suspected and may soon be recognized. With such complexity, the alphabetical system of names has broken down and the chemical names have come into general...
...Ascorbic acid (formerly vitamin C), contained in tomatoes and citrus fruits, is a simple chemical made from glucose. In 1934 its price was $213 an ounce; in 1937 it became the first of the vitamins to be manufactured synthetically and its price dropped to $3.60 an ounce. Today it is made on a scale of about 100 tons a year at $1 an ounce. One ounce is enough for the daily need of about 500 adults...
...Thiamin (formerly vitamin BI), preventive of beriberi, neuritis and loss of appetite, was formerly extracted from rice polishings, once cost $300 a gram. It now costs 37? a gram. Made by the ton, it goes chiefly into enriched white flour, to restore what is lost from the whole wheat in milling...
...Riboflavin (formerly vitamin B 2 ) is widely used in the poultry industry to stimulate egg production, is also used as a preventive of some eye inflammations and fissures of the lips. It is recommended for the enrichment of bread, but the supply is small because of the shortage of equipment in wartime. Within the past year its price has dropped from 75? to 58? a gram...