Total moisture content of CaCl2 infused osmotic dehydrated purple sweet potatoes are shown in Figure 2. Moisture level of potatoes was decreased during the process when the concentrations of sucrose and CaCl2 were increased. The higher level of moisture content (53.23%) was removed in the potato samples, which were treated with 60% sucrose solution that infused with 4% CaCl2. Whereas, a lower level of moisture observed in potatoes that were treated with 40 and 50% sucrose solution that infused with 0% CaCl2 and the values were 66.87% and 65.85%, respectively. The sucrose solutions that were not infused with CaCl2 found not effectively removed the moisture content in the potatoes as compared to sucrose and CaCl2infused osmotic solution. Normally, osmotic dehydration was applied in vegetables to decreasing the moisture contents up to 30% (Beaudry et al., 2004). Dhingra et al. (2008) reported that the potentiality of chemicals that present between osmotic solution and sample that led to transfer mass fluxes and this could be one of the reason that water come out of the sample and solutes entered into tissue. On the other hand, temperature of osmotic solution also plays an important role in decreasing the moisture content. However, severity of temperature could affect the physical properties of the samples. Ispir and Togrul (2009) reported that increment of concentration of osmotic solution could form a layer on the surface of the potatoes and helping to rapidly efficiently remove the removal of the moisture level in the samples.