A patient bought mint leaves at a pharmacy. What recommendations regarding infusion of this raw herbal material must be given by a pharmacist?

Answer options

1. The infusion is to be prepared in a tightly closed vessel
2. The infusion is to be prepared on open fire
3. The extract is to be artificially cooled 15 minutes after infusing
4. The infusion is to be prepared at room temperature
5. The extract is to be immediately filtered after infusing