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.
Syrup of ipecac is an emetic which is used many times to induce vomiting. It is available over the counter at various pharmacies. Salt water is the best method for the purpose of inducing vomiting naturally. Add 2 tsp of salt in a glass of water and drink it, the salty feeling may trigger nausea and vomiting.