Determining water content and other impurities in Siparuna guianensis Aublet essential oil using differential scanning calorimetry - Augustus, Caeser Franke Portella; Marilda, Munaro; Chrystian, de Assis Siqueira; Kleber, Franke Portella; Magn oacute lia, de Mendonca Lopes; Alex, Sander Rodrigues Cangussu; Raimundo, Wagner de Souza Aguiar (African journal of biotechnology, 2016)