Sinin RicePurifying Collection. Known as Sinin rice by the local Thais, it is the mainingredient for a famous local delectable dessert. Thisunique, rich, dark purple color rice grain has its owndistinctive aroma and rich in vitamin, nutrients, andanti-oxidant properties. The color itself formed fromwater pigments called anthocyanin and proanthocyaninidin, which both of them are 5 times stronger andmore effective in anti-oxidant properties than theordinary vitamin E, as proven by a joint research byKasetsart University and Japan University. This specialrice is 2 times higher in protein than other rice, andrich in minerals such as iron, zinc, potassium, calcium,beta-carotene and omega-3.