Salt 25°C   35°C   45°C  
  aw Ma aw Ma aw Ma
NaOH 0.113 2.47 0.112 4.43 0.111 4.35
CH3COOK 0.237 3.78 0.215 4.62 0.197 5.58
MgCl2 0.327 4.01 0.32 5.4 0.311 6.83
K2CO3 0.443 5.94 0.436 6.67 0.429 7.47
Mg(NO3)2 0.528 5.47 0.499 7.09 0.469 8.54
NaNO3 0.742 8.24 0.72 9.75 0.699 11
NaCl 0.752 8.12 0.748 9.61 0.745 11.1
KCl 0.843 11 0.829 12.6 0.817 14.2
Table 2: Equilibrium moisture content M, % d.b. of ground flaxseed obtained at different water activities and temperatures.