Thin Film Oxidation of Crystallized Cannabis Products

Crystallized cannabis extract having a purple color is made by first providing cannabis having a detectable amounts of tetrahydrocannabinolic acid (THCA) as well as secondary components including terpenes. Pentane or other solvent is added to the cannabis material to dissolve the secondary components. The cannabis material is enclosed in a filter basket, or a rosin press filter bag, having an average pore diameter of 25 microns. The centrifuge spins the filter bag or filter basket to separate the THCA from the cannabis material and thereby yielding a primary product that is a concentrated cannabis material having at least 95% THCA and a secondary product (high terpene extract) having combined THCA and secondary components including terpenes. The concentrated cannabis material is distilled in a wiped film evaporator or a short path evaporator to oxidize the concentrated cannabis material and yield a super concentrated cannabis material having at least 98% THC.