Furthermore, the antioxidant capacity of endosperm did not vary as greatly as for caryopsis (Table 1); for example, the antioxidant capacity of white rice (8.50 μmol Trolox/g) and green rice (8.01 μmol Trolox/g) was similar to that of two black rice cultivars, Okunomurasaki (5.09 μmol Trolox/g) and Asamurasaki (6.54 μmol Trolox/g), and the red rice cultivar Beniroman (10.93 μmol Trolox/g).