Figure 3 : Graphical presentation of the response surface.

(a) Propolis Content as a function of Air Flow Rate and Temperature; (b). Bulky Density as a function of the Extract Feed Rate and Temperature; and (c) Moisture as a function of the Air Flow Rate and apparent density for sample B (encapsulating system B; modified starch and silicon dioxide, 1:1).

Berretta et al.Journal of Pharmaceutical Technology and Drug Research  2015 4:1DOI : 10.7243/2050-120X-4-1