Word: benzoic
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GRAS List. In crude or dilute form, nature supplies some of the substances that have recently gained notoriety as additives. The first additives, aside from salt and seaweed, were spices. Some contained natural preservatives. Benzoic acid, used as a preservative for almost a century, occurs naturally in berries and in some fruits, such as plums...
...launching rocket. The screen first showed a round metal canister containing the folded balloon as it separated from the rocket nose and sailed smoothly ahead. Then the canister split in two halves; the released balloon began to inflate, its folded segments billowing outward as 52 lbs. of powdered benzoic acid in its interior turned to gas. At first the balloon formed an irregular watermelon shape, sunlight glittering on its irregular surfaces. Then the skin tightened into a polished sphere...
Chemical Screen. Popular suntan lotions and creams increase tolerance to light rays by factors of four to six, said Dr. Knox. A cream containing one of the best chemical screens known, para-amino-benzoic acid, will increase it a hundredfold. So .will the newest chemical sunscreen family, the benzophenones. Trouble with benzophenones is that they absorb all rays at the spectrum's blue end-including those needed for a fashionable tan. So Dr. Knox suggested that redheads and others with exceptionally fair skins who do not want to freckle use a shutout benzophenone preparation. Others less sensitive...
...Except for vitamins A and D, which are not manufactured chemically, are sold only as concentrates from fish-liver oils. * The five: biotin, choline, inositol, para-amino-benzoic acid, folic acid...
...real, the bacteria fail to multiply, so that the blood's white corpuscles can easily destroy their limited numbers. How slight is the lethal error which the bacteria make is shown by the similar chemical names: sulfanilamide is para-amino-benzene-sulfonamide; the growth factor is para-amino-benzoic acid...