Natural White seed To roast and powder sesame seeds, first dry roast the clean sesame seeds in a hot pan till they turn crisp. Cool slightly and blend in a mixer into a smooth powder. Store in an air-tight container and use as required. This powder can also be added to gravies to make them creamy and thick. Natural Black seed The black variety yields the best quality of oil and is also best suited for medicinal purposes. Black sesame seeds contain higher levels of antioxidants than brown. Black sesame has a reputation in both the Ayurveda and Chinese traditions as an anti-aging food. Natural Black Sesame Seeds are mainly used for medicinal purpose & flavorings on various bakery products.