| 摘要 |
<p>Δ9 THC acid is obtained from plant material and extracted into an aqueous solvent under conditions of pH control. the acid is converted to a salt and the salt extracted into a polar solvent, yielding acid of high purity. The Δ9 THC acid is then converted to Δ9 THC which is further purified and combined with a carrier for pharmaceutical use.</p> |
