Depending on the quantity of FGH used for the vegetable oil extraction, final crude vegetable oil and seed cake always contains traces of Benzene. A large quantity of Hexane is commonly used as solvent for manufacturing of Active Pharmaceutical Ingredients (API) in pharmaceutical industry. This process will accumulate more amount of Benzene at carcinogenic levels into the finished products. The different pathways of Benzene into the human digestive system are through the consumption of vegetable oil, milk and drugs.