Mellow Yellow coffeeshop Mellow Yellow coffeeshop Mellow Yellow was the oldest cannabis coffee shop in Amsterdam, prior to its closure at the start of 2017. The coffee shop was founded in 1972 by Wernard Bruinin in Weesperzijde, Amsterdam, on the premises of a former bakery. The shop is named after "Mellow Yellow", a song by Donovan which describes the singer trying to become intoxicated through smoking the peel of banana. The intent of the shop is to sell cannabis, despite this being illegal at the time of its creation. Sales were originally disguised by drug dealers seated at the bar posing as customers.
Cannabis tea to a recent study on cannabinoid concentration and stability in preparations of cannabis oil and tea, a boiling period of fifteen minutes was found to be sufficient in order to reach the highest concentrations of cannabinoids in tea solutions. However, preparation of cannabis oil in the study was found to ensure a higher stability of cannabinoids than that which was found in preparation of cannabis tea. Aside from recreational drinking of cannabis tea, the beverage has also been used for centuries in folk medicine to treat rheumatism, cystitis, and various urinary diseases. Cannabis tea is controlled as a derivative of