Functional properties of extruded and tubular films of sorghum starch-based glycerol and Yucca Schidigera extract

Rodriguez‐Castellanos, Wendy; Martı́nez-Bustos, Fernando; Jiménez-Arévalo, O.; González‐Núñez, Rubén; Galicia-García, Tomás

doi:10.1016/j.indcrop.2012.11.027

Cited by 23 publications

(20 citation statements)

References 34 publications

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“…Table shows that the values of tensile strength and percentage of elongation of films with YSE were higher than those for films without YSE, as reported by Rodríquez‐Castellanos et al for extruded films of sorghum starch plasticized with glycerol with YSE as the surfactant. YSE improves the mechanical properties of CSF plasticized with CO.…”

Section: Resultssupporting

confidence: 78%

“…A decrease in the water vapor permeability (WVP) of gelatin‐based films in the presence of the extract (1 g for 100 g of gelatin) was reported by Andreuccetti et al . Films of sorghum starch plasticized with glycerol and Yucca schidigera as a surfactant were obtained by blown extrusion and exhibited similar behavior to gelatin films. On the other hand, a synergistic effect between a plasticizer (glycerol) and a surfactant (Tween 20) was observed in the fabrication of potato starch films, improving the mechanical properties of the films.…”

Section: Introductionmentioning

confidence: 64%

“…Following hydration, CO and YSE were added to the starch. The mixtures were prepared (5 ± 2°C, 60 ± 2% RH) at least 24 h before extrusion to allow for better moisture homogenization, as reported by other authors . A sieve (30 mesh diameter) was used to obtain a particle size mixture less of 0.5 mm.…”

Section: Methodsmentioning

confidence: 99%

“…A single screw extruder (CINVESTAV, México), with an L/D ratio of 20/1, a screw compression ratio of 1:1 and a 40 × 0.75 mm 2 rectangular die‐nozzle was used to prepare the films. Barrel temperatures in the feeding, transition, and die temperatures zone were kept constant at 60, 70, and 85°C, respectively, and the screw speed was kept constant at 30 rpm, according to a preliminary test contained in Rodríguez‐Castellanos et al . The three zones of temperature were independently electrically heated and air‐cooled.…”

Section: Methodsmentioning

confidence: 99%

“…The percentage of opacity ( O P ) was calculated as reported previously by Andreuccetti et al , where O P = ( O B / O W ) × 100, with O B as the opacity of the film against a black background and O W as the opacity of the film against a white background. Discs with 25 mm diameter were positioned in an analytical balance (Mettler Toledo, Switzerland) and the initial weight registered to calculate the density as reported previously by Rodríguez‐Castellanos et al .…”

Section: Methodsmentioning

confidence: 99%

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Effects of coconut oil concentration as a plasticizer and Yucca schidigera extract as a surfactant in the preparation of extruded corn starch films

et al. 2014

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In this study, extruded films of corn starch (CS) plasticized with coconut oil (CO) (as an alternative plasticizer to glycerol) in the presence of Yucca schidigera extract (YSE) as a surfactant were investigated. It was observed that corn starch films (CSF) plasticized with a lower concentration (15 wt%) of CO showed a better equilibrium of mechanical properties, a higher WVP (5.8 ± 0.2 × 10−9 g m−1 s−1 Pa−1) and percentage of elongation (8 ± 0.5), and a lower Young modulus (99 ± 8 MPa) than those with a higher amount of plasticizer. However, films with Yucca schidigera extract (YSE) as a surfactant showed a decrease in WVP (4.9 ± 0.2 × 10−9 g m−1 s−1 Pa−1), a lower Young modulus (61 ± 2 MPa) and an increase in the percentage of elongation (13 ± 0.4). In order to describe the viscoelastic properties before the extrusion processes in materials in water suspensions and after extrusion process in CSF, rheological and DMTA analysis were performed, showing consistent behaviors for both samples.

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Section: Resultssupporting

confidence: 78%

Section: Introductionmentioning

confidence: 64%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Effects of coconut oil concentration as a plasticizer and Yucca schidigera extract as a surfactant in the preparation of extruded corn starch films

et al. 2014

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Buriti oil and natural surfactant improve the properties of cassava starch and carboxymethylcellulose films

et al. 2022

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Due to the environmental problem related to the disposal of non‐biodegradable packaging and its aggravation during the COVID‐19 pandemic, buriti oil (BO) and Yucca schidigera (YS) surfactant were added to the cassava starch and carboxymethylcellulose films to create a new emulsified biofilm with better properties. The influence of BO and YS on mechanical and barrier properties was evaluated. All properties differed significantly (p < 0.05) compared to the base film. Incorporation of BO and YS increased tensile strength by 1.100% and opacity by 375% and reduced elongation. In addition, the two variables generated a reduction in water vapour permeability (~47%) and water solubility (~70%), making the films less hydrophilic. Both attenuated total reflectance (ATR)–Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were able to generate important correlations, observing the effects of BO and YS on the uniformity and cohesion of the structures of the emulsified films. Overall, the emulsified films showed great potential for application as primary and/or secondary packaging.

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Effect of starch physiology, gelatinization, and retrogradation on the attributes of rice starch‐ι‐carrageenan film

Thakur¹,

Pristijono²,

Golding

et al. 2017

Starch Stärke

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Edible films and coatings have been applied as the potential substitutes for conventional plastics in food packaging. However, their physical and mechanical properties still have limitations and thus require further improvement. In this study, we compared the physico-chemical properties of starches extracted from eight rice varieties and attempted to predict their promising effects on the physical (thickness and solubility), mechanical (tensile strength and elongation break), barrier (water vapor permeability), and optical properties (color and transparency) of rice starch-icarrageenan films. The results showed that starch amylose content and amylose-amylopectin associations during retrogradation play a significant role in determining various properties of the films. The film containing starch from "Reiziq" variety showed minimum thickness (0.08 mm), water vapor permeability (WVP) (2.7 gs À1 m À1 Pa À1 ), solubility (43.12%) opacity (0.44%), and better mechanical properties, demonstrating the importance of selection of the source of the starch. The results also indicated that rice starch had compatibility with i-carrageenan, and the blend of these two polysaccharides can be potentially used for coating fruit and vegetables.

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Functional properties of extruded and tubular films of sorghum starch-based glycerol and Yucca Schidigera extract

Cited by 23 publications

References 34 publications

Effects of coconut oil concentration as a plasticizer and Yucca schidigera extract as a surfactant in the preparation of extruded corn starch films

Effects of coconut oil concentration as a plasticizer and Yucca schidigera extract as a surfactant in the preparation of extruded corn starch films

Buriti oil and natural surfactant improve the properties of cassava starch and carboxymethylcellulose films

Effect of starch physiology, gelatinization, and retrogradation on the attributes of rice starch‐ι‐carrageenan film

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