| guaranine |
Guaranine is a another name for caffeine, and is found in Guarana berries. For the plants, caffeine acts as a natural pesticide. It paralyzes and kills insects that attempt to feed on the plants. The molecule was first isolated by the German chemist Friedrich Ferdinand Runge in 1819. It is a part of the xanthine family of stimulants. ...
출처: en.wikipedia.org/wiki/Guaranine
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