They are a result of phagocytosis â the process by which A. proteus engulfs its prey. A food vacuole is basically a storage unit of food for the amoeba and is formed only when the amoeba has engulfed its prey completely â then digestive enzymes are released into the vacuole.
The dried root and rhizome are the source of the medicinally useful products. Ipecac has been widely used in syrup form as a potent and effective emetic. Ipecac powder had been used to induce sweating at the onset of influenza, and small amounts of the extract have been incorporated into cough syrups as expectorants.
This product is usually not used for ongoing cough from smoking or long-term breathing problems (such as chronic bronchitis, emphysema) unless directed by your doctor. Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.