IMPORTANT: All black sesame seeds, even USDA Organic ones will loose color and fade if left soaking in water. The water will turn purple then black as the organic seeds start loosing their characteristic black color. If you expect a black sesame seed to not loose color while soaking, please research some more before buying as all natural black sesame seeds will. Kevala Organic Black Sesame Seeds are one of the finest, selected black sesame seeds available. Raw and unhulled, as nature wanted you to taste them! Black sesame seeds is a sesame seed variety that grows with a natural black color, we do not use any dyes or any kind of colours to change the appearance into black. IMPORTANT: All black sesame seeds, even USDA Organic ones will loose color and fade if left soaking in water.