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Annotación guiada por redes moleculares de los glucósidos flavonoides del polen de abeja
Yerim Joo1,2, Eunbeen Shin1,2, Hyunwoo Kim3
1Department of Food Science and Technology, Pusan National University, Miryang 50463, Republic of Korea.
International journal of molecular sciences
|August 28, 2025
Resumen
En este estudio se presentan los perfiles de los glucósidos flavonoides en el polen de abeja del roble mongol (Quercus mongolica). Identifica 69 compuestos, revelando una diversidad significativa y proporcionando datos fundamentales sobre este producto natural.
Área de la Ciencia:
- Fitoquímica
- Productos naturales Química
- Química analítica
Sus antecedentes:
- El polen de abeja es una rica fuente de compuestos bioactivos, incluidos los polifenoles con propiedades antioxidantes.
- Quercus mongolica ( roble mongol) ha sido estudiado, pero el perfil fitoquímico de su polen sigue siendo poco explorado.
- La composición del polen está influenciada por el origen geográfico y los factores ambientales, lo que requiere análisis específicos.
Objetivo del estudio:
- Profilar exhaustivamente los glicósidos flavonoides presentes en el polen de abeja de Quercus mongolica.
- Establecer una comprensión básica de la diversidad de metabolitos secundarios en este polen de abeja específico.
- Contribuir a un conocimiento más amplio de los productos naturales de origen vegetal.
Principales métodos:
- Se empleó una red molecular basada en la cromatografía líquida-espectrometría de masas en tándem (LC-MS/MS) para la elaboración de perfiles.
- La anotación compuesta se realizó utilizando patrones de fragmentación de EM/EM y coincidencia de bibliotecas espectrales (GNPS).
- La comparación con la literatura existente y las normas de referencia ayudó en la identificación de compuestos.
Principales resultados:
- El grupo molecular más grande identificado incluía glicosidos flavonoides.
- Se anotaron un total de 69 glicósidos flavonoides, incluidos el kaempferol, la quercetina y los derivados de la isorhamnetina.
- Se identificaron dos compuestos específicos, el isorhamnetin 3-O-β-D-xilopyranosil (1→6) -β-D-glucopiranósido y el isorhamnetin-3-O-neohesperidosida, utilizando estándares de referencia.
Conclusiones:
- Esta investigación proporciona información fundamental sobre la composición de los glicósidos flavonoides del polen de abeja de Quercus mongolica.
- El estudio pone de relieve la importante diversidad de flavonoides de este producto natural.
- Los hallazgos contribuyen a comprender el perfil del metabolito secundario del polen del roble de Mongolia.
Palabras clave:
LCMS/MSQuercus mongolica, también conocido como quercusFlavonoides y sus derivadosRedes molecularesEl polenMás Videos Relacionados
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