From the results obtained with CCD (see Section 3.2), one
formulationwas chosen and one additional batchwas performed. A
dry infusion process, as previously described, was carried out and
after draining, the cylinders were separated into two parts. One
part was dipped into a solution of gelatinized starch in order to
generate an edible coating on pumpkin cylinders, and the other
part, pumpkin without coating was also prepared for comparing
purposes in subsequent testing assays. Impregnated pumpkins
with or without coating application were submitted to a drying
process with force air convection at 40 C for 3 h in order to achieve
the following purposes: (1) to constitute the coating, in the case of
coated cylinders and (2) to obtain an additional reduction of aw in
both cases (Fontana, 2008).
The edible coating was prepared with native tapioca starch
(50 g/kg), glycerol (20 g/kg) as a plasticizer and potassium sorbate
From the results obtained with CCD (see Section 3.2), one
formulationwas chosen and one additional batchwas performed. A
dry infusion process, as previously described, was carried out and
after draining, the cylinders were separated into two parts. One
part was dipped into a solution of gelatinized starch in order to
generate an edible coating on pumpkin cylinders, and the other
part, pumpkin without coating was also prepared for comparing
purposes in subsequent testing assays. Impregnated pumpkins
with or without coating application were submitted to a drying
process with force air convection at 40 C for 3 h in order to achieve
the following purposes: (1) to constitute the coating, in the case of
coated cylinders and (2) to obtain an additional reduction of aw in
both cases (Fontana, 2008).
The edible coating was prepared with native tapioca starch
(50 g/kg), glycerol (20 g/kg) as a plasticizer and potassium sorbate
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