Viscosity analysis was carried out in a Rapid Visco Analyzer (RVA-4 D; Newport Scientific Pty, Warriewood, Australia). Samples of 3.5 g were conditioned at 14% moisture, adding distilled water to keep total weight (sample + water) at 28.5 g. During the first 8 s of the process the sample stayed at room temperature, to stabilize it and ensure a uniform dispersion, then it was heated from 50 °C to 90 °C for 4.5 min. Total time of the study was 15 min. Finally, samples were cooled to 50 °C over 5.5 min. Viscosity was reported in centipoises (mPa s) and samples were analyzed threefold.