Lathyrism is a disease caused by excessive consumption of KESARI DAL . LATHYRISM gets it name from the scientific name of kesari dal which is LATHYRUS SATIVUS .Kesari dal is consumed in excess in many parts of Madhya Pradesh , Bihar & Uttar Pradesh . It is staple food in the above mentioned areas because it grows easily with minimum effort & it is comparatively cheaper than other pulses.
Excessive consumption of Kesari dal causes crippling paralysis of both the lower limbs( lathyrism ) mainly in boys & men of the age group 5-45 yers. It has been estimated that if 40 % or more of the diet consists of Kesari dal LATHYRISM manifest itself in 2-4 months . The disease starts with stiffness of the knee joint & legs with pain around the knee & ankle joints . In about 10-30 days after the onset of the symptoms paralysis of lower limbs set in
According to scientists B.O.A.A. a toxic amino acid present in the pulse is responsible for LATHYRISM . This amino acid is not found in other pulses . Till date there is no cure for Lathyrism however lathyrism can be prevented by undertaking following measures.
1) CONSUMING KESARI DAL ONLY AFTER STEEPING FOR 2-3 IN HOT WATER OR PARBOILING & DRAINING AWAY TE WATER. IN PARBOILING THE DAL IS SOAKED IN 70o C WATER FOR 3-4 HOURS & THAN STEAMING IT FOR 3-5 MINUTES . THE WATER IS THAN DISCARDED . BY THIS PROCEDURE B.O.A.A IS REMOVED .
2) NOT CONSUMING THE DAL IN LARGE QUANTITIES AT ANY TIME.