 In some countries, once the seeds have been hulled, they are passed through an electronic colour-sorting machine that rejects any discolored seeds to ensure perfect colour, because sesame seeds with consistent appearance are perceived to be of better quality by consumers, and sell for a higher price.Immature or off-sized seeds are removed and used for sesame oil production.In 2016, world production of sesame seeds was 6.1 million tonnes, led by Tanzania, Myanmar, India, and Sudan (table).