Black rice gets it's signature black-purple color from a pigment called anthocyanin, which has potent antioxidant properties.
Black rice is also called forbidden rice. Long ago in ancient China, black rice was considered so rare and nutritious that royalty reserved it only for themselves, believing the mysterious dark grain would give them a longer life.
Luckily for us, black rice is no longer rare or forbidden, but the emperors were right about one thing: Black rice is packed with nutrition.