Table 1.

Drying time and moisture diffusivity of aloe vera gel cubes under various process conditions

Osmotic solution, temp °C	Syrup concn, °Brix	Drying, temp °C	Drying time, min	Diffusivity, m²/s	R2
–	–	50	450	2.69 × 10−9	0.97
–	–	60	420	3.09 × 10−9	0.96
–	–	70	270	3.56 × 10−9	0.97
–	–	80	180	4.59 × 10−9	0.96
30	30	50	300	3.88 × 10−9	0.98
30	30	60	270	5.12 × 10−9	0.99
30	30	70	210	6.39 × 10−9	0.99
30	30	80	150	7.99 × 10−9	0.95
30	40	50	420	2.93 × 10−9	0.99
30	40	60	300	3.98 × 10−9	0.98
30	40	70	270	5.33 × 10−9	0.99
30	40	80	180	6.86 × 10−9	0.99
30	50	50	450	2.48 × 10−9	0.99
30	50	60	330	3.25 × 10−9	0.99
30	50	70	300	4.27 × 10−9	0.98
30	50	80	240	5.17 × 10−9	0.99
50	30	50	360	3.25 × 10−9	0.99
50	30	60	300	4.41 × 10−9	0.99
50	30	70	270	6.25 × 10−9	0.99
50	30	80	180	7.76 × 10−9	0.99
50	40	50	330	3.32 × 10−9	0.98
50	40	60	300	3.69 × 10−9	0.99
50	40	70	270	4.35 × 10−9	0.99
50	40	80	210	6.62 × 10−9	0.99
50	50	50	360	3.22 × 10−9	0.98
50	50	60	330	3.35 × 10−9	0.98
50	50	70	270	4.04 × 10−9	0.98
50	50	80	210	6.36 × 10−9	0.99