The basic properties of fruit powder tablets were different from
each other. The level of compression was also different for different
types of fruit powder tablet. Table 3 shows that the thickness (or
height) of the pitaya powder tablet was high among the tablet,
which resulted in low density and high porosity. On the other hand,
the thickness of guava powder tablet was low and its density was
high and porosity was low as well. Higher degree of compression
results in lower tablet height and porosity causing increased tablet
density.
3.2. Dissolution profiles
Dissolution profiles characterize the dissolution pattern of a
solid dosage form. It may contain two or more data points (time) to
explain the dissolution curve depending on the type of product and
length of time interval. In a fast dissolve tablet, the length of time
interval and number of data points (time) become less compared to
prolong release/less dissolve tablets. The position of time points
defines the pattern of dissolution profile. Figs. 2 and 3 represent the
dissolution profiles of effervescent fruit powder tablets in distilled
water and simulated saliva, respectively. They were obtained by
plotting percent dissolved against time.