2.6. Water activity and moisture content
The aw and moisture content was determined at 25 C using aw meter, AquaLab Series 3 TE (Decagon Devices Inc., Pullman,
Washington, U.S.A.) and HB43-S Halogen Moisture Analyzer (Mettler- Toledo (Schweiz) GmbH, Greifensee, Switzerland), respectively. Approximately 3 g of the ground samples were used for the analysis.