Consolidating plant-based essential oils onto polysaccharides-based coatings: Effect on mechanisms and reducing postharvest losses of fruits

Felicia, Wen Xia Ling; Rovina, Kobun; Vonnie, Joseph Merillyn; Aqilah, Md Nasir Nur; Erna, Kana Husna; Misson, Mailin

doi:10.1016/j.afres.2022.100226

Cited by 8 publications

(3 citation statements)

References 286 publications

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“…The lowest density value was observed in the CTS/AVG/3 %OPEO treatment, which indicates that the addition of OPEO can decrease the mass of the solution. This might be due to the presence of limonene, linalool, and citral, in OPEO which may interact with CTS/AVG coating solution to reduce density ( Felicia et al, 2022a , Felicia et al, 2022b ). OPEO may also lower CTS/AVG coating solution density because essential oils are less dense than water or gel-based substances, therefore, the addition of OPEO could displace some of the volume in CTS/AVG coating solution, resulting in a decrease in density.…”

Section: Resultsmentioning

confidence: 99%

“…However, some drawbacks of plastics, such as the migration effect occurring within the foods during storage and their non-biodegradability, have caused a growing global awareness and posed adverse health effects to consumers and the environment ( Azman et al, 2021 ). Edible coatings, biopolymer-based packaging materials composing of polysaccharides, proteins, and lipids, provide numerous advantages as an alternative to non-biodegradable plastics, including providing protection to food products by acting as a barrier to external conditions, prolonging shelf life, sustaining the food quality, and are environmentally friendly packaging ( Felicia et al, 2022a , Felicia et al, 2022b ).…”

Section: Introductionmentioning

confidence: 99%

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Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation

Felicia,

Kobun,

Nur Aqilah

et al. 2024

Current Research in Food Science

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation

Felicia,

Kobun,

Nur Aqilah

et al. 2024

Current Research in Food Science

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“…Carvacrol (5-isopropyl-2-methyl phenol), a monoterpene compound mainly extracted from oregano and thyme, has received considerable attention due to its broad-spectrum antimicrobial activity and GRAS certification and may act as a novel bio-preservative [20]. Incorporating natural essential oils into polysaccharide-based coatings provides an additional protective barrier to control the release rate and reduce the volatile/oxidation loss of essential oil [21] while simultaneously contributing to better barrier and mechanical properties of the coating [15]. Furthermore, by reducing the particle size of incorporated essential oils to the nanoscale through the emulsion, the specific surface area of oil droplets is significantly increased [22].…”

Section: Introductionmentioning

confidence: 99%

Chitosan Coating Incorporated with Carvacrol Improves Postharvest Guava (Psidium guajava) Quality

Shu,

Kim-Lee,

Sun

2024

Horticulturae

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Guava (Psidium guajava L.) is an important economic crop grown widely in tropical and subtropical regions. Guava exhibits fast ripening and senescence as a climacteric fruit, causing a short shelf life and quality deterioration. Chitosan–essential oil nanoemulsions can be an edible coating used to improve postharvest quality attributes. In this study, chitosan was mixed with carvacrol to generate a nano-emulsoid solution containing 0.1 and 0.2% (v/v) carvacrol, using a sonic dismembrator. Guava fruit were coated with the above emulsion and postharvest quality parameters were measured during storage at 20 ± 1 °C and RH = 80 ± 5% for 8 days. The result illustrated that the particle size of the chitosan–carvacrol emulsions was nanoscale, and their high stability was demonstrated by the zeta potential and polydispersity index. Chitosan coating (2%, w/v, 310–375 kDa) containing 0.2% (v/v) carvacrol maintained postharvest quality compared to chitosan alone, with higher firmness, soluble solid content, total acid, and total phenol content, and lower weight loss and pericarp browning. The collective data were further verified by principal component analysis. A chitosan coating containing carvacrol can reduce postharvest losses. It can be applied as an effective strategy to improve postharvest fruit quality.

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Design and Characterization of Polyvinyl Alcohol/Kappa‐Carrageenan Pickering Emulsion Biocomposite Films for Potential Wound Care Applications

Yeşilyurt,

Mayakrishnan,

Parın

et al. 2024

J Biomedical Materials Res

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This study aimed to develop polyvinyl alcohol (PVA) and kappa‐carrageenan (κCA) biocomposite films using a Pickering emulsion technique for wound care applications. Juniper essential oil and modified sepiolite were incorporated to enhance functionality, with films prepared via solvent casting and characterized for structural, thermal, and mechanical properties. The PCOS‐2 film exhibited the highest mechanical performance, with Young's modulus of 6.25 ± 1.3 MPa, tensile strength of 5.65 ± 1.7 MPa, and elongation at break of 608.96% ± 72.8%. Antibacterial assays showed inhibition zones of 9 and 10 mm against Staphylococcus aureus and Escherichia coli, respectively, for the PCOS‐2 film, while antioxidant activity reached 63% DPPH radical scavenging after 12 h. Additionally, porosity and hydrophilicity were enhanced, as indicated by contact angles of 55° for the control film and 71.2° for PCOS‐2. These results underscore the potential of PVA/κCA biocomposite films as sustainable and bioactive wound dressings, combining mechanical resilience, bioactivity, and environmental compatibility, with future efforts focused on optimizing antibacterial efficacy against gram‐negative bacteria and clinical validation.

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Consolidating plant-based essential oils onto polysaccharides-based coatings: Effect on mechanisms and reducing postharvest losses of fruits

Cited by 8 publications

References 286 publications

Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation

Chitosan/aloe vera gel coatings infused with orange peel essential oils for fruits preservation

Chitosan Coating Incorporated with Carvacrol Improves Postharvest Guava (Psidium guajava) Quality

Design and Characterization of Polyvinyl Alcohol/Kappa‐Carrageenan Pickering Emulsion Biocomposite Films for Potential Wound Care Applications

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