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Exploración del potencial de péptidos quelantes de calcio de fuentes acuáticas: relación estructura-actividad,
Chaozhong Fan1, Xue Zhao1, Zhaohui Zhang1
1State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No.1299, Sansha Road, Qingdao, Shandong Province 266404, PR China.
Food research international (Ottawa, Ont.)
|February 7, 2026
Resumen
Los péptidos quelantes de calcio (PCC) derivados de fuentes acuáticas mejoran la absorción de calcio. Esta revisión detalla su estructura, análisis computacional de las interacciones con el calcio y estabilidad, ayudando al desarrollo de alimentos funcionales.
Área de la Ciencia:
- Bioquímica
- Ciencia de los alimentos
- Nutracéuticos
Sus antecedentes:
- Los productos acuáticos ofrecen proteínas de alta calidad, que producen péptidos quelantes de calcio (PCC) para mejorar la absorción de calcio.
- Se necesita una comprensión integral de la estructura-actividad, los mecanismos de interacción y la estabilidad gastrointestinal de los PCC para una aplicación eficaz.
Objetivo del estudio:
- Revisar los avances recientes en PCC derivados de fuentes acuáticas, centrándose en la preparación, caracterización, relaciones estructura-actividad y estabilidad.
- Explorar el papel de las simulaciones computacionales en la elucidación de las interacciones péptido-calcio y los mecanismos de quelación.
Principales métodos:
- Revisión de la literatura de PCC derivados de fuentes acuáticas.
- Análisis de técnicas computacionales que incluyen acoplamiento molecular, dinámica molecular y cálculos de química cuántica.
- Evaluación de los factores que influyen en la estabilidad de los PCC y las posibles estrategias de protección.
Principales resultados:
- Las simulaciones computacionales proporcionan información mecanicista sobre las interacciones péptido-calcio y la quelación.
- El contenido/posición de aminoácidos ácidos e hidrofóbicos impacta significativamente la capacidad quelante de calcio.
- Los enlaces coordinados que involucran átomos de oxígeno son cruciales para la quelación de calcio; la estabilidad puede verse afectada por las condiciones gastrointestinales.
Conclusiones:
- Los PCC derivados de fuentes acuáticas muestran una gran promesa como suplementos de calcio eficientes en alimentos funcionales y nutracéuticos.
- El desarrollo adicional de modelos computacionales y estrategias de protección es esencial para las aplicaciones industriales.
- Comprender la estructura-función y la estabilidad de los PCC es clave para optimizar su uso en la fortificación de calcio.
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