Extruded snacks are very popular products. Rice flour and corn flour are the
main ingredient. Popping is a simultaneous starch gelatinization and expansion
process, during which grains are exposed to high temperatures for short time.
During this process, super heated vapour produced inside the grains by
instantaneous heating, cooks the grain and expands the endosperm suddenly,
breaking out the outer skin.
Puffing is a similar process; differ from popping as a process in which
controlled expansion of kernel is carried out, while the vapour pressure escapes
through the micropores of the grain structure due to high pressure or thermal
gradient. Popping and puffing imparts acceptable taste and desirable aroma to
the snacks. The reason behind this may be the factors which influence popping
qualities of cereals, such as season, varietal difference, grain characteristics
such as moisture content, composition of grain, physical characteristics, types
of endosperm, and also the method of popping.
Now we have finished one complete sets of Puffed Snacks Machine from Mixer to
Cooler, for an Egyptian customer. This Extruded Snacks Machine could produce
snacks food with various shapes and sizes, also it is automatic one to
continuously connect with the packing machine.
