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Volume 9
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Article

Effect of Different Polyalcohols as Plasticizers on the Functional Properties of Squid Protein Film (Dosidicus Gigas)

by
Claudia Murrieta-Martínez
1,
Herlinda Soto-Valdez
2,
Ramón Pacheco-Aguilar
2,
Wilfrido Torres-Arreola
1,
Francisco Rodríguez-Felix
1,
Benjamín Ramírez-Wong
1,
Hisila Santacruz-Ortega
3,
Irela Santos-Sauceda
3,
Guillermo Olibarría-Rodríguez
1 and
Enrique Márquez-Ríos
1,*
1
Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Blvd. Luis Encinas y Rosales s/n Col. Centro, C.P. 83000 Hermosillo, Sonora, Mexico
2
Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera a la Victoria, Km 0.6, C.P. 83304 Hermosillo, Sonora, Mexico
3
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Blvd. Luis Encinas y Rosales s/n Col. Centro, C.P. 83000 Hermosillo, Sonora, Mexico
*
Author to whom correspondence should be addressed.
Coatings 2019, 9(2), 77; https://doi.org/10.3390/coatings9020077
Submission received: 6 December 2018 / Revised: 25 January 2019 / Accepted: 25 January 2019 / Published: 27 January 2019
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Abstract

Conventional plastic materials accumulation has led to a constant search to develop friendly packaging, edible coatings from biopolymers are an example. Since different proteins have different behavior and plastizicer compatibility, in this work, the effect of different polyalcohols (glycerol, sorbitol, maltitol, mannitol, and xylitol) as plasticizers on squid protein films behavior was studied. The results show that except for mannitol, transparent, and flexible films can be obtained. None of them showed transmission to light on the ultraviolet (UV) spectrum. However, only glycerol and sorbitol were sufficiently flexible to evaluate their mechanical properties, in which glycerol had a more elastic behavior with an elongation at a break of 920% and tensile strength (TS) of 0.94 MPa, while sorbitol exhibited a more plastic behavior with an elongation at break of 511% and a TS of 4.41 MPa. Water-vapor transmission rate was higher in glycerol, with 194.41 g·m−2d−1, while sorbitol had 44.27 g·m−2d−1 but presented blooming. This could be due to low interaction between sorbitol and the protein matrix, correlating with the film-solubility results. Amide I band of the Fourier transform infrared (FT-IR) spectra demonstrated higher denaturation and loss of alpha helical structure in glycerol film, followed by maltitol/sorbitol, xylitol, mannitol, and the control film. This in accordance with thermogravimetric analysis (TGA) results. The results of this study prove that only glycerol and sorbitol are suitable to obtain a see-through flexible film.
Keywords: edible films; packaging materials; biopolymers edible films; packaging materials; biopolymers
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MDPI and ACS Style

Murrieta-Martínez, C.; Soto-Valdez, H.; Pacheco-Aguilar, R.; Torres-Arreola, W.; Rodríguez-Felix, F.; Ramírez-Wong, B.; Santacruz-Ortega, H.; Santos-Sauceda, I.; Olibarría-Rodríguez, G.; Márquez-Ríos, E. Effect of Different Polyalcohols as Plasticizers on the Functional Properties of Squid Protein Film (Dosidicus Gigas). Coatings 2019, 9, 77. https://doi.org/10.3390/coatings9020077

AMA Style

Murrieta-Martínez C, Soto-Valdez H, Pacheco-Aguilar R, Torres-Arreola W, Rodríguez-Felix F, Ramírez-Wong B, Santacruz-Ortega H, Santos-Sauceda I, Olibarría-Rodríguez G, Márquez-Ríos E. Effect of Different Polyalcohols as Plasticizers on the Functional Properties of Squid Protein Film (Dosidicus Gigas). Coatings. 2019; 9(2):77. https://doi.org/10.3390/coatings9020077

Chicago/Turabian Style

Murrieta-Martínez, Claudia, Herlinda Soto-Valdez, Ramón Pacheco-Aguilar, Wilfrido Torres-Arreola, Francisco Rodríguez-Felix, Benjamín Ramírez-Wong, Hisila Santacruz-Ortega, Irela Santos-Sauceda, Guillermo Olibarría-Rodríguez, and Enrique Márquez-Ríos. 2019. "Effect of Different Polyalcohols as Plasticizers on the Functional Properties of Squid Protein Film (Dosidicus Gigas)" Coatings 9, no. 2: 77. https://doi.org/10.3390/coatings9020077

APA Style

Murrieta-Martínez, C., Soto-Valdez, H., Pacheco-Aguilar, R., Torres-Arreola, W., Rodríguez-Felix, F., Ramírez-Wong, B., Santacruz-Ortega, H., Santos-Sauceda, I., Olibarría-Rodríguez, G., & Márquez-Ríos, E. (2019). Effect of Different Polyalcohols as Plasticizers on the Functional Properties of Squid Protein Film (Dosidicus Gigas). Coatings, 9(2), 77. https://doi.org/10.3390/coatings9020077

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