Tesi etd-03242026-164419 |
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Tipo di tesi
Tesi di laurea magistrale
Autore
CELESTINI, FILIPPO
URN
etd-03242026-164419
Titolo
Development of sustainable polymeric coatings able to extend blueberries shelf-life in the framework of EXTRAFRESCO Project
Dipartimento
INGEGNERIA CIVILE E INDUSTRIALE
Corso di studi
MATERIALS AND NANOTECHNOLOGY
Relatori
relatore Dott.ssa Aliotta, Laura
relatore Dott. Gigante, Vito
relatore Prof. Lazzeri, Andrea
relatore Dott. Gigante, Vito
relatore Prof. Lazzeri, Andrea
Parole chiave
- bio-coating
- circular economy
- edible coating
- EXTRAFRESCO
- shlef-life
Data inizio appello
21/04/2026
Consultabilità
Non consultabile
Data di rilascio
21/04/2029
Riassunto (Inglese)
This thesis, part of the EXTRAFRESCO project, aims to develop sustainable bio-coatings to extend the shelf life of fresh foods and reduce waste. The research utilizes bioactive molecules extracted from agri-food waste (bran, microalgae, hemp) to formulate coatings based on natural biopolymers (chitosan and guar gum).
Concurrently, biodegradable polymeric substrates (mixtures of PLA, PBSA, and PBSe) were developed. To ensure the adhesion of the hydrophilic coating to hydrophobic plastic films, a surface pretreatment via alkaline hydrolysis (NaOH) was optimized.
The resulting materials underwent thorough chemical-physical, thermal, morphological, and mechanical characterization. The results demonstrate the feasibility of an innovative, high-performance active packaging solution aligned with the circular economy.
Concurrently, biodegradable polymeric substrates (mixtures of PLA, PBSA, and PBSe) were developed. To ensure the adhesion of the hydrophilic coating to hydrophobic plastic films, a surface pretreatment via alkaline hydrolysis (NaOH) was optimized.
The resulting materials underwent thorough chemical-physical, thermal, morphological, and mechanical characterization. The results demonstrate the feasibility of an innovative, high-performance active packaging solution aligned with the circular economy.
Riassunto (Italiano)
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