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Complejo de juglona/β-ciclodextrina en nanoliposomas como estrategia de biocontrol contra bacterias fitopatógenas
Kubra Bezir1, Sumer Horuz2, Serap Acar3
1Faculty of Engineering and Natural Sciences, Department of Bioengineering, Bursa Technical University, Bursa, Türkiye.
Journal of liposome research
|January 23, 2026
Resumen
El encapsulamiento en nanoliposomas mejora la juglona
Área de la Ciencia:
- Patología vegetal
- Nanotecnología
- Bioquímica
Sus antecedentes:
- Las plantas de tomate sufren pérdidas de rendimiento significativas debido a patógenos bacterianos.
- La juglona, un compuesto natural, muestra potencial para el biocontrol pero requiere una administración mejorada.
- Los nanoliposomas y las ciclodextrinas ofrecen sistemas de administración avanzados para compuestos bioactivos.
Objetivo del estudio:
- Investigar la eficacia del encapsulamiento liposomal en la mejora de la biodisponibilidad y la actividad antibacteriana de la juglona.
- Desarrollar un nuevo sistema de administración de juglona combinando nanoliposomas y ciclodextrinas.
- Evaluar las propiedades fisicoquímicas, la cinética de liberación y la fitotoxicidad de la nueva formulación.
Principales métodos:
- Encapsulamiento exitoso del complejo juglona/β-ciclodextrina en nanoliposomas (J/β-CD/L).
- Caracterización fisicoquímica y morfológica de la formulación J/β-CD/L.
- Evaluación del perfil de liberación de juglona durante 72 horas.
- Determinación de la Concentración Mínima Inhibitoria (CMI) contra patógenos clave del tomate.
- Evaluación de la fitotoxicidad en la germinación de semillas de tomate.
Principales resultados:
- La formulación J/β-CD/L demostró una liberación controlada de juglona (46,73% a las 72 horas).
- Se observaron valores de CMI significativamente más bajos para J/β-CD/L en comparación con la juglona libre contra *Pseudomonas syringae*, *Xanthomonas euvesicatoria* y *Clavibacter michiganensis*.
- La formulación no mostró efectos fitotóxicos en semillas de tomate a las concentraciones probadas.
Conclusiones:
- El encapsulamiento en nanoliposomas de complejos de juglona/β-ciclodextrina es una estrategia viable para mejorar la eficacia antibacteriana.
- Este enfoque ofrece un agente de biocontrol prometedor y no fitotóxico para las enfermedades bacterianas del tomate.
- El estudio destaca el potencial de la nanotecnología en la mejora de la protección de cultivos basada en productos naturales.
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