Gamma-oryzanol levels in genetically selected rice cultivated in Brazil - Heinemann, Riana Jordão Barrozo; Fagundes, Priscila de Lara; Fagundes, Carlos Alberto Alves; Schiocchet, Moacir Antonio; Bassinello, Priscila Zaczuk; Lanfer Marquez, Ursula Maria (IFT Annual Meeting and Food Expo, 2005)