Mellow Yellow coffeeshop Mellow Yellow was unsuccessfully raided by police several times. Unpackaged cannabis, bought from wholesalers including drug lord Klaas Bruinsma, was hidden behind secret doors and shutters. In 1975, the concept was adopted by a shop named Russia situated on the same street as Mellow Yellow and was followed by another coffee shop called The Bulldog. Now there are 223 such coffee shops in Amsterdam. Bruining also runs Stichting Mediwiet (Medi Cannabis Foundation), a group that supports the legalization of growing marijuana for medicinal uses. The shop was closed at the strike of the New Year in 2017, due to new
Cannabis tea of cannabis as it exists botanically. According to a 2007 study published in the Journal of Ethnopharmacology, the composition of cannabis tea is affected by criterion including, but not limited to, the duration of time over which the cannabis is steeped, the volume of tea prepared, and the period of time for which the tea is stored before consumption. The study mentions the ways in which levels of THC and THCA impact variability of composition by changing the bioactivity of the beverage. Therefore, cannabis teas that include less bioactive cannabinoids, "based on HPLC peak area" will demonstrate varying compositions. According