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texto impreso
Yam starch films were obtained by casting. Effect of different film thicknesses (0.07, 0.09, 0.11 mm) and concentrations of glycerol (1.30, 1.65 and 2.00% w/w) and starch (3.30, 3.65 and 4.00% w/w) were evaluated. Barriers, mechanical and optica[...]
texto impreso
Thermal, mechanical and barrier properties of corn, cassava and yam starch films were determined and the behavior of these three starches films under a controlled storage (64% RH and 20 ºC) was compared. Glass transition (Tg) in all unplasticize[...]
texto impreso
Yam starch films were prepared by casting using glycerol as plasticizer. The effects of different film thicknesses (0.07, 0.09, 0.11 mm), glycerol (1.30, 1.65 and 2.00 g/100 g of filmogenic solution) and starch (3.30, 3.65 and 4.00 g/100 g of fi[...]
texto impreso
Yam starch films were produced by thermal gelatinization of starch suspensions using different starch and glycerol concentrations and were compared to control samples without glycerol. Films were characterized by polarized light microscopy, scan[...]
texto impreso
Effects of plasticizers (glycerol, sorbitol, and 1:1 mixture of glycerol and sorbitol) on moisture sorption characteristics of cassava starch films were investigated at three levels of plasticizer concentration (0, 20, and 40 g/100 g starch). Th[...]
