Physicochemical and superficial characterization of a bilayer film of zein and pectin obtained by electrospraying

Gaona-Sánchez, V.A.; Calderón‐Domínguez, Georgina; Morales-Sánchez, E.; Moreno‐Ruiz, Luis A.; Térres‐Rojas, Eduardo; Salgado‐Cruz, Ma. de la Paz; Escamilla‐García, Monserrat; Barrios‐Francisco, Rigoberto

doi:10.1002/app.50045

Cited by 13 publications

(8 citation statements)

References 81 publications

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“…The use of food packaging and edible coatings based on materials derived from petroleum sources are related to the depletion of natural resources [88]. In contrast, pectin coatings have been studied to extend the shelf-life of food products in the last years, principally due to the fact they are renewable, biodegradable, and biocompatible [89].…”

Section: Emulsifyingmentioning

confidence: 99%

“…Another approach that has been carried out for this same purpose is the use of bilayering technologies, based on the development of multilayer systems, which have been reported to produce films with better physical, transportation and mechanical properties as compared to those made up from a single component [88]. Gaona-Sánchez et al produced a bilayer film by electrospraying formed by a pectin layer and a zein layer.…”

Section: Coatingmentioning

confidence: 99%

“…Gaona-Sánchez et al produced a bilayer film by electrospraying formed by a pectin layer and a zein layer. According to the results of the authors, it is possible to produce a bilayer film, with a continuous surface structure and a well-defined interface [88].…”

Section: Coatingmentioning

confidence: 99%

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Structure and Applications of Pectin in Food, Biomedical, and Pharmaceutical Industry: A Review

et al. 2021

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Pectin is a biocompatible polysaccharide with intrinsic biological activity, which may exhibit different structures depending on its source or extraction method. The extraction of pectin from various industrial by-products presents itself as a green option for the valorization of agro-industrial residues by producing a high commercial value product. Pectin is susceptible to physical, chemical, and/or enzymatic changes. The numerous functional groups present in its structure can stimulate different functionalities, and certain modifications can enable pectin for countless applications in food, agriculture, drugs, and biomedicine. It is currently a trend to use pectin to produce edible coating to protect foodstuff, antimicrobial bio-based films, nanoparticles, healing agents, and cancer treatment. Advances in methodology, use of different sources of extraction, and knowledge about structural modification have significantly expanded the properties, yields, and applications of this polysaccharide. Recently, structurally modified pectin has shown better functional properties and bioactivities than the native one. In addition, pectin can be used in conjunction with a wide variety of biopolymers with differentiated properties and specific functionalities. In this context, this review presents the structural characteristics and properties of pectin and information on the modification of this polysaccharide, its respective applications, perspectives, and future challenges.

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Section: Emulsifyingmentioning

confidence: 99%

Section: Coatingmentioning

confidence: 99%

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Structure and Applications of Pectin in Food, Biomedical, and Pharmaceutical Industry: A Review

et al. 2021

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“…Some examples include the effects of different assay parameters, such as syringe inner diameter or the size of starch granules and their relationship to film properties, factors that have not been reported yet. Several studies with other biopolymers [88,[90][91][92]…”

Section: Discussionmentioning

confidence: 99%

Starch Biodegradable Films Produced by Electrospraying

Sánchez¹,

Vázquez²,

García-Hernández³

et al. 2022

Starch - Evolution and Recent Advances

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The use of particles obtained from biopolymers is of interest in fields such as bioengineering and nanotechnology, with applications in drug encapsulation, tissue engineering, and edible biofilms. A method used to obtain these particles is electrohydrodynamic atomization (EHDA), which can generate different structures depending on the process conditions and raw materials used, opening a wide range of research in the biopolymers field, where starch is considered an excellent material to produce edible and biodegradable films. This chapter is a compilation and analysis of the newest studies of this technique, using starch with or without modifications to prepare films or membranes and their potential applications. A systematic literature review, focused on starch, and EHDA was carried out, finding 158 articles that match these criteria. From these results, a search inside them, using the words edible and biodegradable was conducted, showing 93 articles with these key words. The information was analyzed observing the preference to use corn, potato, rice, and cassava starches, obtaining mainly scaffolds and fibers and, in much less proportion, films or capsules. This review shows a window of opportunity for the study of starchy materials by EHDA to produce films, coatings, and capsules at micro or nano levels.

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“…Pectin is an anionic polysaccharide that is usually present in many primary and middle layers of the cell walls of plants [15,16], and depending on its degree of esterification (DE), which affects their gelling properties, it is classified as high-methoxyl pectin (HMPe, DE > 50%) or low-methoxyl pectin (LMPe, DE < 50%) [17,18] with molecular weights between 150 × 10 3 and 226 × 10 3 g/mol [19,20]. The literature on films regarding the use of pectin, or its use in combination with other materials, is not very extensive; it is more common that those studies developed using high or low-methoxyl pectin and the casting technique [17,[21][22][23][24][25][26][27][28], rather than other film-forming methodologies, for example, electrospraying [12,[29][30][31][32], which opens a new field of research. According to these reports, most low-methoxyl films are added with calcium salts, and both types of pectin are often combined with other wall materials such as sodium alginate, chitosan, cutin, whey protein, plasticizers (glycerol, tween or polyethene glycol), and lipids to improve film properties.…”

Section: Introductionmentioning

confidence: 99%

Pectin Films with Recovered Sunflower Waxes Produced by Electrospraying

et al. 2022

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Valorization of by-products obtained from food processing has achieved an important environmental impact. In this research, sunflower wax recovered from oil refining process was incorporated to low and high-methoxyl pectin films produced by electrospraying. Film-forming solutions and wax-added electrosprayed films were physical and structurally evaluated. The addition of sunflower wax to the film-forming solutions reduces conductivity while raising surface tension and density, whereas the type of pectin had a larger impact on viscosity, with the low-methoxyl solution having the highest value. These changes in physical solution properties influenced the film characteristics, observing thicker films with lower water vapor transmission rate (WVTR) when adding wax. Micrographs obtained by scanning electron microscopy (SEM) revealed the presence of wax particles as small spherical shapes, having a good distribution through the sectional area of films. According to X-ray diffraction (XRD), atomic force microscopy (AFM) and mechanical properties analyses, the presence of wax had an impact on the degree of crystallinity, producing a more amorphous and rougher film’s structure, without affecting the elongation percentage and the tensile stress (p>0.05). These results showed that wax addition improves the physical properties of films, while the suitability of using both pectins and the electrospraying technique was demonstrated.

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Physicochemical and superficial characterization of a bilayer film of zein and pectin obtained by electrospraying

Cited by 13 publications

References 81 publications

Structure and Applications of Pectin in Food, Biomedical, and Pharmaceutical Industry: A Review

Structure and Applications of Pectin in Food, Biomedical, and Pharmaceutical Industry: A Review

Starch Biodegradable Films Produced by Electrospraying

Pectin Films with Recovered Sunflower Waxes Produced by Electrospraying

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