<prompt> Active principal of Lathyrus sativa is:PyiTolizidineSanguinarineBOAAJhunjhunia  <response>: Ans. is c i.e. BOAA BOAA stands for Beta Oxalyl Amino AlanineLathyrus sativus is a pulse khesari dal whose consumption leads to Lathyrism, a paralysing disease.Lathyrism is an important topic for PG questionsFollowing are the important points about it:Caused by ingestion of Khesari dal Lathyrus sativus for 2-6 monthNeurolathyrism is characterized by spastic paralysis of lower limbsDisease affects young men between 15 - 45 yearsFor prevention and control of Lathyrism Vit C prophylaxis is usedToxin can be removed from khesari dal by:Steeping method - pulse is soaked in hot water for 2 hours after which the soaked water is drained off completelyParboiling - Dal is soaked in lime water over night followed by boiling 