{"id":8931,"date":"2024-08-15T10:39:02","date_gmt":"2024-08-15T10:39:02","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8931"},"modified":"2024-08-15T10:39:02","modified_gmt":"2024-08-15T10:39:02","slug":"vashancone","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/vashancone\/","title":{"rendered":"Estudio sobre la composici\u00f3n qu\u00edmica y la actividad inhibidora de la tirosinasa de la vashancona"},"content":{"rendered":"<p>Estudio sobre la composici\u00f3n qu\u00edmica y la actividad inhibidora de la tirosinasa de la vashancona<br \/>\nLa Castanopsis ceratacantha, tambi\u00e9n conocida como Castanopsis fargesii y Castanopsis Mount Huangshan, se distribuye principalmente en Yunnan, Guizhou y el suroeste de Sichuan. Se utiliza ampliamente en la medicina popular para detener las hemorragias, la sed, la diarrea (nueces), las \u00falceras cr\u00f3nicas y otras enfermedades. En la actualidad, no existe literatura relevante en el pa\u00eds y en el extranjero sobre la composici\u00f3n qu\u00edmica y la investigaci\u00f3n de la actividad biol\u00f3gica de Aconitum carmichaelii. Nuestro grupo de investigaci\u00f3n realiz\u00f3 un estudio preliminar de la composici\u00f3n qu\u00edmica del extracto etan\u00f3lico de las hojas de Aconitum carmichaelii y descubri\u00f3 que las hojas contienen nuevos compuestos t\u00e1nicos triterpenoides. Estos compuestos son unos de los pocos descubiertos hasta ahora, que se generan por reacci\u00f3n de esterificaci\u00f3n de triterpenoides pentac\u00edclicos y polifenoles \u00fanicos. Actualmente, s\u00f3lo se han aislado de plantas de Aconitum. Tienen una buena actividad antioxidante, anticancer\u00edgena y reductora de l\u00edpidos. Para dilucidar la base material de Aconitum carmichaelii y descubrir nuevos compuestos t\u00e1nicos triterpenoides, en este experimento se aisl\u00f3 y purific\u00f3 sistem\u00e1ticamente el extracto etan\u00f3lico 80% de Aconitum carmichaelii. La tirosinasa (tambi\u00e9n conocida como polifenoloxidasa) est\u00e1 relacionada con la s\u00edntesis de pigmentos en el organismo, afectando directamente a la s\u00edntesis de melanina. Es la enzima limitante de la tasa de s\u00edntesis de melanina y tiene varias funciones fisiol\u00f3gicas importantes en el organismo, especialmente en el blanqueamiento de la piel, efectos antioxidantes, etc. Tambi\u00e9n est\u00e1 relacionada con la aparici\u00f3n y el tratamiento de trastornos pigmentarios y melanomas malignos. El principal lugar de acci\u00f3n de la tirosinasa en el proceso de formaci\u00f3n de melanina es el hidroxilo, y el extracto etan\u00f3lico de Aconitum carmichaelii contiene principalmente taninos, entre los que destacan los compuestos que contienen m\u00faltiples estructuras polifen\u00f3licas \u00fanicas, que tienen buenas actividades antioxidantes y anticancer\u00edgenas. A\u00fan no se ha descrito si tienen actividad inhibidora de la tirosinasa. En este experimento se examin\u00f3 la actividad inhibidora de la tirosinasa de m\u00faltiples compuestos taninos caracter\u00edsticos aislados, con el fin de encontrar compuestos naturales con mejor actividad.<\/p>\n<p>Se aislaron 17 compuestos del extracto etan\u00f3lico 80% de las hojas de Aconitum carmichaelii, principalmente taninos que contienen m\u00faltiples estructuras polifen\u00f3licas \u00fanicas. Seg\u00fan la bibliograf\u00eda existente, se encuentran principalmente en plantas de Aconitum. La presencia de compuestos t\u00e1nicos triterpenoides en la mayor\u00eda de las plantas de conos puede estar relacionada con su h\u00e1bitat y v\u00edas metab\u00f3licas secundarias. La detecci\u00f3n por cromatograf\u00eda l\u00edquida del extracto etan\u00f3lico 80% de las hojas del cono de Huashan mostr\u00f3 la presencia de nuevos compuestos t\u00e1nicos triterpenoides, pero no se obtuvieron durante el proceso sistem\u00e1tico de separaci\u00f3n y purificaci\u00f3n. Es posible que estos compuestos no se enriquecieran eficazmente durante el proceso de separaci\u00f3n, y es necesario seguir mejorando los medios de separaci\u00f3n y purificaci\u00f3n. En la actualidad, existen pocos informes sobre la actividad biol\u00f3gica de los nuevos compuestos t\u00e1nicos triterpenoides, y s\u00f3lo se han realizado estudios preliminares sobre aspectos anticancer\u00edgenos, antioxidantes y de reducci\u00f3n de l\u00edpidos. En este trabajo no se aislaron nuevos compuestos t\u00e1nicos triterpenoides del extracto etan\u00f3lico 80% de las hojas de Aconitum carmichaelii, pero se obtuvo un gran n\u00famero de compuestos con estructuras polifen\u00f3licas \u00fanicas. Bas\u00e1ndose en la relaci\u00f3n estructura-actividad, se estudi\u00f3 la actividad inhibidora de la tirosinasa de 9 compuestos caracter\u00edsticos que conten\u00edan m\u00faltiples estructuras polifen\u00f3licas \u00fanicas. Los resultados mostraron que el compuesto 14 ten\u00eda una actividad inhibidora de la enzima m\u00e1s fuerte que el f\u00e1rmaco positivo, lo que puede estar relacionado con la presencia de m\u00e1s grupos hidroxilo fen\u00f3licos en el compuesto. Los compuestos de tanino tienen una rica actividad biol\u00f3gica, y la actividad biol\u00f3gica y el mecanismo de acci\u00f3n de este compuesto de tanino en particular necesitan m\u00e1s exploraci\u00f3n e investigaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Chemical Composition and Tyrosinase Inhibition Activity of Vashancone Castanopsis ceratacantha, also known as Castanopsis fargesii and Castanopsis Mount Huangshan, is mainly distributed in Yunnan, Guizhou and southwest Sichuan. It is widely used in folk medicine to stop bleeding, thirst, diarrhea (nuts), chronic ulcers and other diseases. At present, there is no relevant [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on the Chemical Composition and Tyrosinase Inhibition Activity of Vashancone - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/es\/vashancone\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Chemical Composition and Tyrosinase Inhibition Activity of Vashancone - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Chemical Composition and Tyrosinase Inhibition Activity of Vashancone Castanopsis ceratacantha, also known as Castanopsis fargesii and Castanopsis Mount Huangshan, is mainly distributed in Yunnan, Guizhou and southwest Sichuan. It is widely used in folk medicine to stop bleeding, thirst, diarrhea (nuts), chronic ulcers and other diseases. 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