Apr 05, 2016 · 1. Sundry the oregano for 12day/s. 2. After you sundry the oregano, pulverize it using a mortar and pestle. 3. Mix 20 grams of gum, 4 spoons of crushed charcoal, and 10 spoons of crushed dried oregano, then add the oregano extract and add hot water to make paste like consistency and then mix thoroughly in a bowl. 4.