Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 84
... vitamin from the food sup- ply . This claim implies that a definite tangible substance , though called for in quantities that are astonishingly small , is wholly necessary for adequate nutrition . The substance lacking is specific in ...
... vitamin from the food sup- ply . This claim implies that a definite tangible substance , though called for in quantities that are astonishingly small , is wholly necessary for adequate nutrition . The substance lacking is specific in ...
Strona 85
... Vitamin C. " The special characteristic of Vitamin C is its instability . It is destroyed by heat at moderate temperatures , and by exposure to the air , as when vegetables and fruits are dried . This instability has played , of course ...
... Vitamin C. " The special characteristic of Vitamin C is its instability . It is destroyed by heat at moderate temperatures , and by exposure to the air , as when vegetables and fruits are dried . This instability has played , of course ...
Strona 86
... Vitamin D , which prevents and cures rickets , I am eager to tell you at once that , simultaneously in this country and in Ger- many , it has been isolated and prepared artificially . This highly satisfactory accom- plishment has been ...
... Vitamin D , which prevents and cures rickets , I am eager to tell you at once that , simultaneously in this country and in Ger- many , it has been isolated and prepared artificially . This highly satisfactory accom- plishment has been ...
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acid hydrolysis alcohol Algarite algarose alkaline aluminium ammonia amount analysed animal appearance application aqueous associated become boiling brown Building Bureau of Mines Burrell calcium called carbon caustic soda cent Chemical Chemistry chloroform College colour considerable constitution contained cures differs difficulties dissolved ether evolved extract FEBRUARY give heated Honolulu Oil important Industry insoluble INSTITUTE interest January known later lime liquid London manufacture material matter METALS Method naphthenic acids nature nil nil obtained Office Oil Co patent period placed pounds powder precipitate present probably produced protection pure pyridine quantities recently reduces remaining Report Research residue resulting rickets salts Sampled Science scientific property seaweed shown solid solu soluble solution Street substance sugars suggested sulphuric acid Theory tion top of oil Trade University vitamin volume weight worker yield zone