1. Cereais e Leguminosas – Determinação do teor de cinza;NP 518,1986
2. Cereais e Derivados—Determinação do Teor de Matéria Gorda Total;NP 4168,1991
3. Food energy—Methods of analysis and conversion factors;FAO,2003
4. Cereals and pulses—Determination of the nitrogen content and calculation of the crude protein content—Kjeldahl method;ISO 20483,2006
5. Method 66-50.01 – Pasta and noodle cooking quality—Firmness. Approved methods of analysis;AACC,1999