Spaniards make cheewing coca popular in Europe

They brought American drugs like tobaco and chocolate to Europe, where they started as luxury goods, until their use slowly spread to half the population.

Could they have done the same with coca?
Could it become a major source of income for the colonies?

What would that mean for Cocain? Could it be regarded as just another derivate (like coke) or would health concerns make a ban neccessary?
 
The problem is the acclimatation of the coca plant. The netherland manage to produce in Java, but i don't think that Spain would have the climate to grow coca. And, unless i'm wrong, isn't the coca needs to be fresh to be chewed, at least to have the effects?
 
They did bring it back OTL, but it never caught on. Possibly might catch on, particularly as a tea, if there's some popular conquistodor/noble/priest that's seen to use it in Spain.

Coca chewing may originally have been limited to the eastern Andes before its introduction to the Incas. As the plant was viewed as having a divine origin, its cultivation became subject to a state monopoly and its use restricted to nobles and a few favored classes (court orators, couriers, favored public workers, and the army) by the rule of the Topa Inca (1471–1493). As the Incan empire declined, the leaf became more widely available. After some deliberation, Philip II of Spain issued a decree recognizing the drug as essential to the well-being of the Andean Indians but urging missionaries to end its religious use. The Spanish are believed to have effectively encouraged use of coca by an increasing majority of the population to increase their labor output and tolerance for starvation, but it is not clear that this was planned deliberately.[citation needed]
Coca was first introduced to Europe in the 16th century, but did not become popular until the mid-19th century, with the publication of an influential paper by Dr. Paolo Mantegazza praising its stimulating effects on cognition. This led to invention of cocawine and the first production of pure cocaine. Cocawine (of which Vin Mariani was the best-known brand) and other coca-containing preparations were widely sold as patent medicines and tonics, with claims of a wide variety of health benefits. The original version of Coca-cola was among these. These products became illegal in most countries outside of South America in the early 20th century, after the addictive nature of cocaine was widely recognized. In 1859, Albert Niemann of the University of Göttingen became the first person to isolate the chief alkaloid of coca, which he named "cocaine".[9]
 
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