Fluorescencia de flavonoides en órganos de guayaba Psidium guajava L
Vargas Álvarez, Dolores
Soto Hernández, Ramón Marcos
González Hernández, Víctor Arturo
Engleman Clark, Emil Mark
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This study is focused on finding (Psidium guajava L.) guava's flavonols. Fresh cuts were obtained in order to observe the orange fluorescence, using a microscope with 520 nm excitation and 490 nm emission. Fluorescence was positive in adaxial epidermis, abaxial and glands of mature leaves. In young leaves, fluorescence was only found in adaxial epidermis. In fruit, fluorescence was positive in epidermis and schizogenetic spaces. In stem, fluorescence was found in schizogenetic spaces, and protophloem, and trichomes
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