Research Article

Effects of Nopal Mucilage (Opuntia ficus-indica) as Plasticizer in the Fabrication of Laminated and Tubular Films of Extruded Acetylated Starches

Table 2

Functional properties of laminated and blown films based on native and acetylated rice and waxy maize starches.

Type of starchProcessPlasticizerTensile strength (MPa)Elongation (%)Water solubility (%)Water vapor permeability (g·mm·m−2·h−1·kPa−1)

RiceNativeExtrusionWithout
With
AcetylatedExtrusionWithout
With
BlowingWith

Waxy maizeNativeExtrusionWithout
With
AcetylatedExtrusionWithout
With
BlowingWith

. Different letters on the same column represent significant differences () between the averages obtained in the Tukey test.