Infusion

In the infusion process the crude drug is left with solvent to soak them properly at room temperature for a particular period of time with or without intermittent shaking.

After the specific time period the filtration will follow which will separate the plants debris with the miscella.

Various times the plant material has settled down which has separated by decantation and can replace with another solvent.

The apparatus used in the infusion process is depending upon the type of the process.

It can be a small test tube or flask to a very large industrial vessel.

The infusion process is generally followed when active constituents are water soluble and they are soft in nature so that water can penetrate into the tissue.

The final volume is not adjusted in infusion.

Infusion can be fresh or concentrated.

Examples are Infusion of quassia, senna.