So I heard it yesterday that Nafdac has prohibited selling of fruits such as banana, mango and so on: ripened with calcium carbide (Cac2). The reason for this is because Cac2 when mixed with moisture or water gives off acetylene gas and traces of phosphorus and arsenic which are hamful to man when consumed. Harmful effects of Calcium Carbide 1. It can cause cancer. 2. Dizziness and stomach pains. 3. Sleepiness and mental confusion. 4. Memory loss How to detect Cac2 on fruits 1. Light a match stick near the fruit, if it sparks and continue to burn rapidly, note that there is Calcium carbide powder rubbed on the fruit. 2. If the fruit or banana looks so ripe and fine without any blackspot, note that it's ripened with calcium carbide. How to remove calcium carbide on pesticides on fruits 1. Wash your fruits inside a mixture of salt water before consuming, or 2. According to Ortintin.com research Using cold water to rinse your fruits before consuming, is hig