The foliage fresh-baked in an oven at a temperature of about 40-45 C for about 6 hours to reduce moisture extract using Soxhlet fermentation (Maceration). By fermenting the leaves are three types of water solvents.Include, alcohol, ethyl alcohol 70% and 95% in covered containers, leaving 3 days. In the ratio of herbs. 1 part: a solvent of 10 parts (w / v).