Word: citric
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Dates: during 1940-1949
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...them had been addicted, for months or years, to lemon-sucking-or to an early morning drink of lemon juice and water. Some patients' teeth were worn down to the gums. Mayo's experts decided that their tooth enamel must have been eaten away by the citric acid in lemons...
...sheets was far from being a newcomer to the chemical field. Started by two German chemists, Charles Pfizer and his brother-in-law Charles Erhart, in 1849, the company soon got a reputation for producing high quality chemicals. But it was still small in 1923, when it began producing citric acid by a new process, the vegetative fermentation of sugar. Up till then citric acid, the most widely used organic acid in the food and beverage field, was produced chiefly in Europe from lemon and lime juice. With its new process, Pfizer broke the foreign monopoly...
...experiment was performed in 1939 are still alive and healthy. The autojector can also keep a dog's heart beating outside its body, has kept a decapitated dog's head alive for hours-the head cocked its ears at a noise and licked its chops when citric acid was smeared on them. But the machine is incapable of reviving a whole dog more than about 15 minutes after its blood is drained-body cells then begin to disintegrate...
...citrus-fruit substitute, sold for several shillings, consists of diluted citric acid worth a few pence...
...Turner knew, gastroenterologists do not agree on whether or not ulcer diets should contain orange juice. The juice contains citric acid only in harmless traces, but it might stimulate the stomach to produce a more than normal amount of hydrochloric acid. Because they feared hydrochloric acid, some doctors banned orange juice; others prescribed it to keep up the vitamin C intake. Ulcer patients without enough vitamin...