Ricin

A potent protein toxin made from the waste left over from processing castor beans. The castor plant, which is called ricinus communis, is found throughout the world. ... When ingested, ricin causes severe gastrointestinal symptoms followed by vascular collapse and death. Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the released ricin can cause injury. Ricin can Be made from the waste material left over from processing castor beans. It can be in the form of a powder, a mist, or a pellet, or it can be dissolved in water or weak acid.

SYMPTOMS

Inhalation: within a few hours of inhaling significant amounts of ricin, the likely symptoms would be respiratory distress (difficulty breathing), fever, cough, nausea, and tightness in the chest. Heavy Sweating may follow as well as fluid building up in the lungs (pulmonary edema).

CAUSES

Constipation, blood impurity,  inhaling significant amounts of ricin, unhealthy life style, etc