JOURNAL OF CHILEAN CHEMICAL SOCIETY

Vol 67 No 3 (2024): Journal of The Chilean Chemical Society
Original Research Papers

POLYLACTIC ACID (PLA) SCAFFOLD FOR CONTROLLED RELEASE OF ESSENTIAL OIL OF CANELO DRIMYS WINTERI: CONTROL OF PHYTOPATHOGENS IN FRUITS

Christian Nuñez Duran
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío
Bio
Jaime Cabrera-Pardo
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Ramon Ahumada
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
CATHERINE GUZMÁN
Departamento de Ciencias Básicas y Morfología, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Av. Alonso de Ribera 2850, Concepción Chile.
Bio
Paola Méndez
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Carlos Peña-Farfal
ICQA, Facultad de Ingeniería, Universidad Autónoma de Chile, Av. Alemania 1090, Temuco, Chile.
Bio
Antonio Maureira
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Manuel Nova
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Enzo Romero-Villegas
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Sergio González del Pino
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Artemisa Nuñez-Duran
Departamento de Química, Facultad de Ciencias, Universidad del Bío-Bío, Av. Collao 1202, Concepción, Chile
Bio
Vanessa Novoa
Instituto de Alta Investigación, Universidad de Tarapacá, 18 de septiembre 2222, Arica, Chile.
Bio
Published June 28, 2025
Keywords
  • Canelo (Drimys winteri) essential oil,
  • PLA support,
  • non-contact antimicrobial activity,
  • Botrytis cinerea
How to Cite
Duran, C. N., Cabrera-Pardo, J., Ahumada, R., GUZMÁN, C., Méndez , P., Peña-Farfal, C., Maureira, A., Nova, M., Romero-Villegas, E., González del Pino, S., Nuñez-Duran, A., & Novoa, V. (2025). POLYLACTIC ACID (PLA) SCAFFOLD FOR CONTROLLED RELEASE OF ESSENTIAL OIL OF CANELO DRIMYS WINTERI: CONTROL OF PHYTOPATHOGENS IN FRUITS . Journal of the Chilean Chemical Society, 67(3), 6141-6152. Retrieved from https://jcchems.com/index.php/JCCHEMS/article/view/2731

Abstract

We have designed and prepared polylactic acid (PLA)-based porous support for the controlled release of essential oils from Drimys winteri, common name Canelo (CEO). The chemical composition of the essential oil was characterized by HS/GC-MS. The interaction with the PLA-based porous support was determined by FTIR-ATR spectrophotometry. Our results showed that the manufactured PLA support allows the controlled release of essential oils over time, at 21 °C. The PLA/essential oil support showed a non-contact antifungal activity against B. cinerea. In addition, pure compounds (standards) detected in the gas phase of CEO essential oil were independently studied to identify which of these molecules is responsible for the growth control action of the fungus. In conclusion, the PLA/CEO porous support is an alternative to protect against infections such as B. cinerea, offering a potential use of this strategy to preserve fresh functional foods in the post-harvest stage, as an atmosphere modifier.

2731-Graphical_Abstract-11798-1-2-20241104.jpg

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