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Braz. J. Chem. Eng. vol.30 número4

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Figure 1: Flowchart for alginate film preparation  (adapted from Zactiti and Kieckbusch, 2006)
Table 2: Thickness ( δ ), matter soluble in water (S), moisture content (100 ω), water vapor permeability  (WVP), tensile strength (TS) and elongation at break (E) of calcium alginate pre-films (1 st  Stage)  containing glycerol, xylitol or mannitol as pla
Figure 2: Water uptake of calcium alginate films  containing glycerol, xylitol and mannitol as  plasti-cizers, at 25 °C
Figure 3: Micrographs of the surface ((a), (c) and (e)) and of the cross  section ((b), (d) and (f)) of the alginate pre-films plasticized with glycerol,  xylitol and mannitol, respectively (1 st  Stage)
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