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It has been announced that the Commissary Department of the German Army has been authorized to purchase thirty tons of the kola nut of the Western Soudan, It will be experimented with as an accessory food, to replace to some extent the ration of coffee and other caffeine-bearing substances. According to Dr. Hackett caffeine is not the only active principle in the kola, since he has found in it a red substance to which the name " kolaine " has been given. Other observers, among them Germain Sée, have asserted that caffeine is the sole energetic principle. The kolaine is said to differ from caffeine in having the property of controlling the waste of tissue during fatiguing exercise, while the latter, caffeine, is a muscle-stimulant. The most conflicting testimony given us by European experimenters with kola will not surprise us, when we bear in mind that, even in the Soudan, the home
THE KOLA NUT OF AFRICA.. JAMA. 1890;XV(4):147. doi:10.1001/jama.1890.02410300027005
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