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Bioactive Molecules from Agri-Food Waste: Value-Added Resources in Cosmetics, Nutraceutics and Biomedicine

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Bioactives and Nutraceuticals".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2584

Special Issue Editors


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Guest Editor
Dipartimento di Chimica, Università di Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
Interests: contaminants of emerging concern (CECs); organic dyes adsorption; adsorption processes; advanced oxidation processes (AOPs); water remediation technologies; upcycling; circular economy; green chemistry; nanotechnology; physical chemistry; photochemical processes; photodynamic therapy (PDT); fluorescence spectroscopy; UV-Vis spectroscopy; FTIR-spectroscopy; photophysics; bio-polymers; waste management
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Chemistry, University of Bari “Aldo Moro”, Via Orabona 4, 70126 Bari, Italy
Interests: contaminants of emerging concern (CECs); organic dyes adsorption; adsorption processes; advanced oxidation processes (AOPs); water remediation technologies; upcycling; circular Economy; green chemistry; nanotechnology; physical chemistry; photochemical processes; photodynamic therapy (PDT); bio-polymers; food packaging; fluorescence spectroscopy; UV-Vis spectroscopy; ATR-FTIR-spectroscopy; X-ray diffraction (XRD); cosmetics; neurocosmetics; cosmetic chemistry; cosmetic formulation; cosmetic dermatology; pharmaceuticals; waste management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Each year, around 20% of food produced in the European Union (EU) is wasted, worsening our social, environmental, and economic problems. For these reasons, the EU is trying to solve the problem by incentivizing food waste management for the development of sustainable paths for innovative recycling approaches. In particular, food waste is a well-known source of bioactive compounds that are potentially useful in cosmetics, nutraceutics, and biomedicine. On this ground, and in accordance with the circular economy principles, this Special Issue is aimed at presenting an alternative and innovative use of food/agricultural waste from which, by means of mild and environmentally friendly approaches, interesting biomolecules can be extracted. Therefore, authors are invited to submit original research and review articles that focus on the topics of cosmetics, nutraceutics, and biomedicine, incentivizing the use of green approaches. Topics include, but are not limited to:

  • Green chemistry and extraction techniques of biomolecules from waste;
  • Reuse of waste, upcycling, and circular paths to obtain bioactive compounds;
  • Green synthesis of nanomaterials;
  • Evaluation of antioxidant, anticancer, and antimicrobial activity of biomolecules from waste;
  • Supramolecular assemblies and drug delivery systems;
  • Photosensitizer extraction and application in photodynamic therapy (PDT).

Prof. Dr. Vito Rizzi
Dr. Jennifer Gubitosa
Guest Editors

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Keywords

  • waste upcycling
  • waste management
  • circular economy
  • green chemistry
  • cosmetics
  • nutraceutics
  • biomedicine

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Published Papers (1 paper)

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Research

19 pages, 1786 KiB  
Article
Realizing Eco-Friendly Water-Resistant Sodium-Alginate-Based Films Blended with a Polyphenolic Aqueous Extract from Grape Pomace Waste for Potential Food Packaging Applications
by Jennifer Gubitosa, Vito Rizzi, Cosma Marasciulo, Filippo Maggi, Giovanni Caprioli, Ahmed M. Mustafa, Paola Fini, Nicoletta De Vietro, Antonella Maria Aresta and Pinalysa Cosma
Int. J. Mol. Sci. 2023, 24(14), 11462; https://doi.org/10.3390/ijms241411462 - 14 Jul 2023
Cited by 9 | Viewed by 2306
Abstract
Water-resistant and environmentally friendly sodium-alginate-based films have been investigated to develop functional materials to extend the food’s shelf-life. A water-stable alginate-based film was prepared, employing both the internal and external gelation approach in the presence of CaCl2. To apply this film [...] Read more.
Water-resistant and environmentally friendly sodium-alginate-based films have been investigated to develop functional materials to extend the food’s shelf-life. A water-stable alginate-based film was prepared, employing both the internal and external gelation approach in the presence of CaCl2. To apply this film to food packaging and thus preserve food quality, the aim of this work is to perform a chemical and physical characterization of the proposed materials, evidencing the main features and stability under different work conditions. Water contact angle measurements showed a value of 65°, suggesting an important reduced hydrophilic character of the obtained alginate films due to the novel CaCl2-induced compacted polymer network. The film’s stability was thus checked through swelling measurements in water after varying pH, temperature, and ionic strength. The film was stable at high temperatures and not pH-responsive. Only highly concentrated salt-based solutions negatively affected the proposed packaging, causing a large swelling. Furthermore, a water-based polyphenolic extract from grape (Vitis vinifera L.) pomace waste was embedded inside the films in different amounts in order to confer additional properties. The extract’s polyphenolic content (evaluated from HPLC/MS-MS measurements) endowed the films’ UV-light screening and enhanced antioxidant properties. These important findings suggest the additional potential role of these films in protecting food from light deterioration. The stability of these hybrid films was also checked by observation, as the polyphenols’ presence did not largely alter the alginate network that occurred yet was water-resistant under the described work conditions. Full article
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