National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Trade, protection of natural populations and reasons for using psychoactive cacti
ŠKRNOVÁ, Veronika
The aim of this work is to process the reasons and volume of trade in psychoactive plants of the Cactaceae family in recent decades for cultivation and altered state of human consciousness in the Czech Republic, to determine the origin, discuss the reasons for endangering natural populations of species since they all appear on list of CITES. Another goal is to analyze the benefits versus risks for modern man to altered states of consciousness. The tools for obtaining data were databases and questionnaires for growers and people with experience in using the studied species.
The explant cultures of Trichocereus pachanoi
Čabelková, Petra ; Martin, Jan (advisor) ; Kašparová, Marie (referee)
Affecting tissue cultures with precursors is one of methods that increases the production of secondary metabolites in vitro. This thesis deals with precursors affecting production of mescaline in suspension tissue cultures of Trichocereus pachanoi. As precursors dopamine, D, L-tyrosine, casein hydrolysate and shikimic acid were used. Three concentrations of these precursors were prepared. Suspension cultures with different concentrations of precursors were analysed by HPLC method after 48 and 168 hours. Murashige and Skoog medium was used for cultivation. Mescaline biosynthesis was most affected by dopamine. The largest amount of mescaline was produced in suspension culture with the highest concentration of dopamine 50 mg/100 ml.The culture was cultivated for 168 hours. Suspension cultures that were cultivated for 48 hours produced the highest amount of mescaline with the highest concentration of dopamin 50 mg/100 ml. The biosynthesis of mescaline was inhibited by other precursores (D, L-tyrosine, casein hydrolysate, shikimic acid).
The explant cultures of Trichocereus pachanoi
Čabelková, Petra ; Martin, Jan (advisor) ; Kašparová, Marie (referee)
Affecting tissue cultures with precursors is one of methods that increases the production of secondary metabolites in vitro. This thesis deals with precursors affecting production of mescaline in suspension tissue cultures of Trichocereus pachanoi. As precursors dopamine, D, L-tyrosine, casein hydrolysate and shikimic acid were used. Three concentrations of these precursors were prepared. Suspension cultures with different concentrations of precursors were analysed by HPLC method after 48 and 168 hours. Murashige and Skoog medium was used for cultivation. Mescaline biosynthesis was most affected by dopamine. The largest amount of mescaline was produced in suspension culture with the highest concentration of dopamine 50 mg/100 ml.The culture was cultivated for 168 hours. Suspension cultures that were cultivated for 48 hours produced the highest amount of mescaline with the highest concentration of dopamin 50 mg/100 ml. The biosynthesis of mescaline was inhibited by other precursores (D, L-tyrosine, casein hydrolysate, shikimic acid).

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