Gelatin as texture modifier and porogen in egg white hydrogel
Abstract
In the present study, composite egg white/gelatin hydrogels were produced and their porosity was increased through the subsequent removal of gelatin by leaching into water. The composite gel with 0.5% gelatin showed a higher degree of swelling than did the control gelatin-free sample after 60 min of immersion in an aqueous medium which was ascribed to the formation of capillary channels due to gelatin leaching. The composite gel containing 0.3% gelatin showed the highest water-holding capacity and firmness indices among all samples. Gel porosity decreased with increasing gelatin content. However, after gelatin depletion, higher concentrations of gelatin yielded hydrogels with higher porosity, as confirmed by scanning electron microscopy. Based on Fourier transform infra-red spectroscopy, it was concluded that the count of hydrogen bonds decreased after gelatin depletion. X-ray diffraction analysis indicated that intermolecular interaction between gelatin and egg white proteins had taken place in the amorphous phase.
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Porosity of PAG-co-AA hydrogels decreased with increasing MBA concentration.
“On the other hand, more MBA concentration decreased the porosity by increasing the cross-linking density resulting in reduced pore size (Babaei et al., 2019;Chen et al., 2019).”
From A novel pH-responsive hydrogel system based on Prunus armeniaca gum and acrylic acid: Preparation and evaluation as a potential candidate for controlled drug delivery. (2023) · cites this paper as Babaei et al., 2019
More MBA concentration decreased porosity of PAG-co-AA hydrogels by increasing cross-linking density, resulting in reduced pore size.
“On the other hand, more MBA concentration decreased the porosity by increasing the cross-linking density resulting in reduced pore size (Babaei et al., 2019;Chen et al., 2019).”
From A novel pH-responsive hydrogel system based on Prunus armeniaca gum and acrylic acid: Preparation and evaluation as a potential candidate for controlled drug delivery. (2023) · cites this paper as Babaei et al., 2019
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“On the other hand, more MBA concentration decreased the porosity by increasing the cross-linking density resulting in reduced pore size (Babaei et al., 2019; Chen et al., 2019).”
BackgroundpH-sensitive hydrogel from Colocasia esculenta mucilage for controlled tramadol release
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- Authors
- Babaei, J., Mohammadian, M., & Madadlou, A.
- Affiliations
- University of Tehran (IR)
- Corresponding author
- Madadlou, Ashkan
- Venue
- Food Chemistry
- Publisher
- Elsevier BV
- Published
- 2019-01
- Volume
- 270
- Pages
- 189-195
- ISSN
- 0308-8146 (ISSN-L)
- OpenAlex
- W2884604101
- Cited by
- 98
- References
- 39
- Citations by year
- 2026: 5 · 2025: 14 · 2024: 15 · 2023: 17 · 2022: 23 · 2021: 6 · 2020: 13 · 2019: 4 · 2018: 1
- FWCI
- 5.65
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Food Chemistry (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
- Physical Sciences › Materials Science › Biomaterials › Collagen: Extraction and Characterization
- Keywords
- gelatin, composite hydrogels, pore-forming agent, hydrogel porosity, swelling behavior, water holding capacity, texture modification, hydrogen bonding, protein-protein interaction, capillary channels
- MeSH terms
- Gelatin, Microscopy, Electron, Scanning, Ovum, Porosity, Spectroscopy, Fourier Transform Infrared, Hydrogels
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