- Black Rice(Forbidden Rice) 纯天然黑香米 500gNatural Black rice(Forbidden rice) is black when raw and dark purple when cooked. One theory as to the name is that it was reserved for emperors in ancient China because of its nutritiousness and rarity. It is popular with vegetarians and vegans because it has a favorable nutrition profile, high in fiber mineral content(including iron). Like most rice, it supplies several important amino acides, additionally , the deep colour of black forbidden rice suggests the presence of phytonutrients. When cooked, forbidden rice has the small of smell of freshly-popped popcorn and turns the water that it is boiling in a brilliant purple colour. It has a deep, nutty taste.