{"id":4932,"date":"2024-08-04T16:34:18","date_gmt":"2024-08-04T16:34:18","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=4932"},"modified":"2024-08-04T16:34:18","modified_gmt":"2024-08-04T16:34:18","slug":"plantain-seed","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/semilla-de-platano\/","title":{"rendered":"Preparaci\u00f3n de polisac\u00e1ridos de baja viscosidad de Plantago asiatica por sulfataci\u00f3n y su caracterizaci\u00f3n estructural y actividad antioxidante"},"content":{"rendered":"<p>Preparaci\u00f3n de polisac\u00e1ridos de baja viscosidad de Plantago asiatica por sulfataci\u00f3n y su caracterizaci\u00f3n estructural y actividad antioxidante<br \/>\nLos polisac\u00e1ridos abundan en animales, plantas y microorganismos, y se utilizan ampliamente en las industrias alimentaria y farmac\u00e9utica debido a su baja toxicidad y excelente actividad biol\u00f3gica. La investigaci\u00f3n moderna ha demostrado que los polisac\u00e1ridos tienen diversas funciones, como la regulaci\u00f3n inmunitaria, antitumoral, antiinflamatoria, antiv\u00edrica, antioxidante, antirradiaci\u00f3n, hipoglucemiante, hipolipemiante y protectora del h\u00edgado. En los \u00faltimos a\u00f1os, se han desarrollado varios m\u00e9todos de derivaci\u00f3n de polisac\u00e1ridos para mejorar la actividad biol\u00f3gica y optimizar las propiedades fisicoqu\u00edmicas de los polisac\u00e1ridos, como la sulfataci\u00f3n, la acetilaci\u00f3n, la carboximetilaci\u00f3n y la fosforilaci\u00f3n. La sulfataci\u00f3n de polisac\u00e1ridos puede mejorar significativamente sus caracter\u00edsticas estructurales, mejorar su actividad biol\u00f3gica, e incluso darles nuevas actividades biol\u00f3gicas. Yang et al. estudiaron la sulfataci\u00f3n de polisac\u00e1ridos de natto mediante el m\u00e9todo de clorosulfato de piridina, y se mejor\u00f3 la actividad antibacteriana de los polisac\u00e1ridos de natto sulfatados. Chen et al. prepararon derivados de polisac\u00e1ridos de \u00f1ame sulfatados utilizando el m\u00e9todo de clorosulfato de piridina, y los resultados mostraron que la modificaci\u00f3n de la sulfataci\u00f3n optimizaba las propiedades fisicoqu\u00edmicas de los polisac\u00e1ridos de \u00f1ame, mostrando una actividad inmunomoduladora superior. Arokiarajan et al. mejoraron la solubilidad de los polisac\u00e1ridos de algas marinas en agua y aumentaron a\u00fan m\u00e1s la tasa de extracci\u00f3n de polisac\u00e1ridos mediante la modificaci\u00f3n por sulfataci\u00f3n. Tao et al. compararon la actividad antitumoral de derivados sulfatados de polisac\u00e1ridos f\u00fangicos naturales in vivo e in vitro mediante el m\u00e9todo de la piridina del \u00e1cido clorosulf\u00f3nico, y descubrieron que los derivados sulfatados presentaban una mayor tasa de inhibici\u00f3n in vitro sobre las c\u00e9lulas HepG2 que los polisac\u00e1ridos originales.<br \/>\nPlantago ovata Forsk, semilla seca y madura del g\u00e9nero Plantago, es una planta medicinal tradicional utilizada como alimento y medicina en Xinjiang, China. Plantago asiatica tiene los efectos de detener la diarrea, diuresis, aliviar el dolor, reducir el calor, reducir la hinchaz\u00f3n y aclarar la garganta. Se utiliza principalmente para tratar enfermedades como edema nefritis, infecciones del sistema urinario, micci\u00f3n frecuente, micci\u00f3n dolorosa, micci\u00f3n con sangre y diarrea. Los polisac\u00e1ridos del Plantago asiatica tienen una gran viscosidad, lo que le confiere funciones fisiol\u00f3gicas como humedecer los intestinos, favorecer los movimientos intestinales y promover la salud intestinal. Sin embargo, tambi\u00e9n conlleva inconvenientes para su producci\u00f3n, investigaci\u00f3n y aplicaci\u00f3n. Esta cuesti\u00f3n ha sido objeto de gran preocupaci\u00f3n, pero los avances han sido lentos. Por lo tanto, es necesario desarrollar nuevos m\u00e9todos para reducir eficazmente la viscosidad de los polisac\u00e1ridos de Plantago asiatica, garantizando al mismo tiempo un bajo coste, integridad estructural y actividad, con el fin de promover un mayor desarrollo y utilizaci\u00f3n de los polisac\u00e1ridos de Plantago asiatica y mejorar los beneficios econ\u00f3micos. Hasta la fecha, no se han publicado informes sobre la modificaci\u00f3n estructural de los polisac\u00e1ridos de Plantago asiatica y su actividad biol\u00f3gica y caracter\u00edsticas estructurales.<br \/>\nPor lo tanto, este estudio se centra principalmente en los polisac\u00e1ridos de Plantago asiatica como objeto de investigaci\u00f3n. Se prepararon polisac\u00e1ridos de Plantago asiatica de baja viscosidad por el m\u00e9todo de sulfataci\u00f3n, y luego se aislaron y purificaron para preparar polisac\u00e1ridos homog\u00e9neos. Se estudiaron preliminarmente sus caracter\u00edsticas estructurales y se evalu\u00f3 su actividad antioxidante mediante experimentos antioxidantes in vitro. Hasta donde sabemos, \u00e9ste es el primer estudio sobre la sulfataci\u00f3n de polisac\u00e1ridos de Plantago asiatica para reducir la viscosidad.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4933\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-105.png\" alt=\"\" width=\"696\" height=\"259\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4934\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-91.png\" alt=\"\" width=\"1005\" height=\"387\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-91.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-91-768x296.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4935\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-87.png\" alt=\"\" width=\"1005\" height=\"430\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-87.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-87-768x329.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4936\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-76.png\" alt=\"\" width=\"1005\" height=\"249\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-76.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-76-768x190.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4937\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-70.png\" alt=\"\" width=\"1005\" height=\"497\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-70.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-70-768x380.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4938\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-62.png\" alt=\"\" width=\"1005\" height=\"252\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-62.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-62-768x193.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4939\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-59.png\" alt=\"\" width=\"1005\" height=\"495\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-59.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-59-768x378.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4940\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-52.png\" alt=\"\" width=\"1005\" height=\"450\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-52.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-52-768x344.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4941\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-46.png\" alt=\"\" width=\"1005\" height=\"551\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-46.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-46-768x421.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4942\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/10-39.png\" alt=\"\" width=\"1005\" height=\"547\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/10-39.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/10-39-768x418.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4943\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/11-33.png\" alt=\"\" width=\"471\" height=\"324\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4944\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-29.png\" alt=\"\" width=\"1005\" height=\"457\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-29.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-29-768x349.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4945\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/13-24.png\" alt=\"\" width=\"1005\" height=\"385\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/13-24.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/13-24-768x294.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4946\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/14-20.png\" alt=\"\" width=\"1005\" height=\"382\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/14-20.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/14-20-768x292.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4947\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/15-15.png\" alt=\"\" width=\"1005\" height=\"381\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/15-15.png 1005w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/15-15-768x291.png 768w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><br \/>\nDebido a las caracter\u00edsticas de alta viscosidad de los polisac\u00e1ridos de Plantago asiatica, la purificaci\u00f3n y la detecci\u00f3n de la actividad no pueden llevarse a cabo. En este estudio, se utiliz\u00f3 la sulfataci\u00f3n para modificar polisac\u00e1ridos de Plantago asiatica var. asiatica (POFP), y la viscosidad de los polisac\u00e1ridos modificados se redujo significativamente. Se prepararon dos polisac\u00e1ridos homog\u00e9neos separando y purificando POFP-S. El grado de sustituci\u00f3n y pureza de los polisac\u00e1ridos, \u00e1cido glucur\u00f3nico y grupos sulfato en POFP-S1 fue de 38,96%, 2,91%, 0,364% y 94,20%, respectivamente; El grado de sustituci\u00f3n de los polisac\u00e1ridos, \u00e1cidos ur\u00f3nicos y grupos sulfato en POFP-S2 fue de 52.55%, 3,68%, 1,080% y 98,89%, respectivamente, y no se detect\u00f3 ninguna prote\u00edna en ninguno de los polisac\u00e1ridos; entre ellos, POFP-S1 tiene un peso molecular relativamente grande y abundantes componentes monosac\u00e1ridos. La espectroscopia UV y FT-IR revel\u00f3 que tanto POFP-S1 como POFP-S2 presentan los t\u00edpicos picos de absorci\u00f3n caracter\u00edsticos de los polisac\u00e1ridos sulfatados, lo que indica el \u00e9xito de la modificaci\u00f3n por sulfataci\u00f3n; los experimentos de difracci\u00f3n de rayos X (DRX) y rojo Congo revelaron que POFP-S2 es un polisac\u00e1rido con una estructura helicoidal \u00fanica que coexiste tanto en fase cristalina como amorfa. En t\u00e9rminos de actividad antioxidante, el polisac\u00e1rido POFP-S1 tiene una mayor capacidad para eliminar los radicales DPPH y ABTS en comparaci\u00f3n con el POFP-S2, lo que puede estar relacionado con su mayor peso molecular y su composici\u00f3n monosac\u00e1rida (glucosa). El POFP-S2 tiene una mayor capacidad para eliminar los radicales hidroxilo, lo que puede deberse al mayor grado de sustituci\u00f3n de los grupos sulfato en el polisac\u00e1rido POFP-S2. Este estudio proporciona una base bibliogr\u00e1fica para seguir investigando la estructura y la actividad de los polisac\u00e1ridos de Plantago asiatica, as\u00ed como una base te\u00f3rica para desarrollar posibles productos medicinales y comestibles, y aporta ideas para la investigaci\u00f3n de la sulfataci\u00f3n de los polisac\u00e1ridos.<\/p>","protected":false},"excerpt":{"rendered":"<p>Preparation of low viscosity polysaccharides from Plantago asiatica by sulfation and their structural characterization and antioxidant activity Polysaccharides are abundant in animals, plants, and microorganisms, and are widely used in the food and pharmaceutical industries due to their low toxicity and excellent biological activity. Modern research has shown that polysaccharides have various functions such as [&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>Preparation of low viscosity polysaccharides from Plantago asiatica by sulfation and their structural characterization and antioxidant activity - 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\/semilla-de-platano\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Preparation of low viscosity polysaccharides from Plantago asiatica by sulfation and their structural characterization and antioxidant activity - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Preparation of low viscosity polysaccharides from Plantago asiatica by sulfation and their structural characterization and antioxidant activity Polysaccharides are abundant in animals, plants, and microorganisms, and are widely used in the food and pharmaceutical industries due to their low toxicity and excellent biological activity. 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