Scientific Evidence of Rice By-Products for Cancer Prevention: Chemopreventive Properties of Waste Products from Rice Milling on Carcinogenesis In Vitro and In Vivo
Table 4
Phytochemicals and antioxidant properties of rice by-products.
Phytochemicals or antioxidant properties
Rice bran
Rice husk
Brewers’ rice
Gamma-oryzanol (mg/g)
Methanol extract of defatted rice bran (India) =
Acetone extract of Thai rice husk variety (Khao Dawk Mali 105) =
Methanol extract of rice bran from Thailand =
Ethanol extract of rice bran from Suphan Buri (Thailand) =
Methanol extract of Japonica rice bran =
Ethyl acetate extract of Japonica rice bran =
Hexane extract of Japonica rice bran =
Acetone extract of Thai rice bran variety (Khao Dawk Mali 105) =
80% methanol extract of whole rice bran =
Tocopherols (µg/g)
Methanol extract of defatted rice bran (India) =
Acetone extract of Thai rice husk variety (Khao Dawk Mali 105) = not
Methanol extract of rice bran from Thailand =
Hexane extract of rice bran from Suphan Buri (Thailand) =
Methanol extract of Japonica rice bran =
Ethyl acetate extract of Japonica rice bran =
Hexane extract of Japonica rice bran =
Acetone extract of Thai rice bran variety (Khao Dawk Mali 105) =
80% methanol extract of whole rice bran =
Tocotrienols (µg/g)
Methanol extract of rice bran from Thailand =
—
Methanol extract of Japonica rice bran =
Ethyl acetate extract of Japonica rice bran =
Hexane extract of Japonica rice bran =
80% methanol extract of whole rice bran =
Total phenolic content (g GAE/kg)
Methanol extract of Japonica rice bran =
—
—
Ethyl acetate extract of Japonica rice bran =
Hexane extract of Japonica rice bran =
Total anthocyanins (mg/g extract)
70% ethanol extract of purple rice bran =
—
—
Total proanthocyanidins (mg pro. B2 equiv./g extract)
