{"id":5112,"date":"2024-08-04T17:21:51","date_gmt":"2024-08-04T17:21:51","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=5112"},"modified":"2024-08-04T17:21:51","modified_gmt":"2024-08-04T17:21:51","slug":"dispersiveliquid-liquid","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/dispersiveliquid-liquid\/","title":{"rendered":"An\u00e1lisis por cromatograf\u00eda de gases\/espectrometr\u00eda de masas de microextracci\u00f3n l\u00edquido-l\u00edquido asistida por ultrasonidos de los componentes arom\u00e1ticos del roc\u00edo de rosas"},"content":{"rendered":"<p>El agua de rosas es un subproducto producido durante el proceso de destilaci\u00f3n y extracci\u00f3n del aceite esencial de rosas, y su rendimiento es mucho mayor que el del aceite esencial de rosas; el fluido de c\u00e9lulas de flores frescas de rosas es un l\u00edquido formado por la condensaci\u00f3n de sustancias vol\u00e1tiles en las c\u00e9lulas de flores frescas de rosas en condiciones de baja temperatura, con la fragancia floral natural de las flores de rosas. En este art\u00edculo, el agua de rosas y el fluido celular de rosas se denominan colectivamente \"roc\u00edo de rosas\". El roc\u00edo de rosa contiene ingredientes naturales y puros, incluidas trazas de aceite esencial de rosa y otros componentes solubles en agua. Tiene una fragancia ligera y agradable y funciones antial\u00e9rgicas, antibacterianas y antiinflamatorias, alivia el envejecimiento cut\u00e1neo, repone la humedad de la piel y mejora su vitalidad. Puede utilizarse en la investigaci\u00f3n y el desarrollo de bebidas de rosas, l\u00edquidos orales de rosas y otros productos. Es una materia prima importante para alimentos, cosm\u00e9ticos y ambientadores, y tiene un alto valor de desarrollo y utilizaci\u00f3n. Los componentes arom\u00e1ticos del roc\u00edo de rosas son indicadores clave del desarrollo y la utilizaci\u00f3n del producto, que pueden reflejar los cambios de calidad durante el procesamiento, la producci\u00f3n, el almacenamiento y el transporte, y tambi\u00e9n son la base principal para determinar la calidad del roc\u00edo de rosas. Por lo tanto, la comprensi\u00f3n y el dominio de la composici\u00f3n y el contenido de los componentes del aroma en el jugo de rosa es de gran importancia orientativa para el procesamiento y la utilizaci\u00f3n racionales del jugo de rosa.<br \/>\nLa microextracci\u00f3n l\u00edquido-l\u00edquido por dispersi\u00f3n (DLLME) es una novedosa t\u00e9cnica de microextracci\u00f3n en fase l\u00edquida propuesta por Rezaee et al., que se basa en la formaci\u00f3n de peque\u00f1as gotas dispersas en la soluci\u00f3n de muestra por el extractante bajo la acci\u00f3n del dispersante, formando un sistema de emulsi\u00f3n trif\u00e1sica de la soluci\u00f3n de muestra dispersante del extractante. Esto aumenta el \u00e1rea de contacto entre el extractante y el analito diana, permitiendo que \u00e9ste alcance r\u00e1pidamente el equilibrio de distribuci\u00f3n entre la soluci\u00f3n de muestra y el extractante y complete la extracci\u00f3n. Esta tecnolog\u00eda integra la extracci\u00f3n y la concentraci\u00f3n, y tiene las ventajas de la simplicidad, la velocidad, el bajo coste, la baja contaminaci\u00f3n y el alto factor de enriquecimiento. Se ha aplicado en m\u00faltiples campos, como la seguridad alimentaria, el an\u00e1lisis de f\u00e1rmacos y la contaminaci\u00f3n medioambiental. Sin embargo, actualmente no existen informes sobre el uso de la tecnolog\u00eda de microextracci\u00f3n l\u00edquido-l\u00edquido disperso para enriquecer los componentes del aroma del roc\u00edo de rosas.<br \/>\nEn este estudio se utiliz\u00f3 la t\u00e9cnica DLLME-GC-MS para analizar los componentes del aroma de los p\u00e9talos de rosa y se optimizaron los par\u00e1metros experimentales de la microextracci\u00f3n l\u00edquido-l\u00edquido por dispersi\u00f3n. El objetivo es proporcionar apoyo t\u00e9cnico para el estudio de los componentes del aroma en p\u00e9talos de rosa y bases te\u00f3ricas para su desarrollo, utilizaci\u00f3n y control de calidad del producto.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5113\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-119.png\" alt=\"\" width=\"357\" height=\"228\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5114\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-105.png\" alt=\"\" width=\"354\" height=\"237\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-105.png 354w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-105-325x217.png 325w\" sizes=\"(max-width: 354px) 100vw, 354px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5115\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-99.png\" alt=\"\" width=\"368\" height=\"190\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5116\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-88.png\" alt=\"\" width=\"357\" height=\"248\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5117\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-81.png\" alt=\"\" width=\"357\" height=\"256\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5118\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-73.png\" alt=\"\" width=\"756\" height=\"381\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5119\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-66.png\" alt=\"\" width=\"780\" height=\"228\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-66.png 780w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-66-768x224.png 768w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5120\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-61.png\" alt=\"\" width=\"781\" height=\"767\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-61.png 781w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-61-768x754.png 768w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-61-733x720.png 733w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5121\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-55.png\" alt=\"\" width=\"779\" height=\"685\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-55.png 779w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-55-768x675.png 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/><\/p>\n<p>Se estableci\u00f3 un m\u00e9todo para analizar los componentes del aroma del roc\u00edo de rosa de agua amarga utilizando microextracci\u00f3n l\u00edquido-l\u00edquido asistida por ultrasonidos combinada con la tecnolog\u00eda de cromatograf\u00eda de gases-espectrometr\u00eda de masas. Los par\u00e1metros optimizados para el m\u00e9todo de microextracci\u00f3n l\u00edquido-l\u00edquido son: volumen de la muestra de 7,0 ml, ultrasonido asistida tiempo de extracci\u00f3n de 3 minutos, agente de extracci\u00f3n y la dosis de 200 \u03bc L de diclorometano, dispersante de acetonitrilo, y la relaci\u00f3n de volumen de agente de extracci\u00f3n a dispersante de 1:2. Bajo par\u00e1metros optimizados, se identificaron un total de 62 componentes arom\u00e1ticos en el roc\u00edo de rosas, incluyendo 52 en el agua celular de rosas, 42 en el agua de rosas, 46 en el agua de flores frescas y 47 en el agua de flores encurtidas. Los componentes arom\u00e1ticos con un contenido relativamente alto incluyen citronelol, hidroxicitronelol, eugenol, linalol, \u03b1 - terpineol, feniletanol, nerol, geraniol, metil eugenol, etc. Existen diferencias en el contenido relativo y la composici\u00f3n de los componentes arom\u00e1ticos del fluido celular de rosas, del agua de rosas obtenida mediante distintas t\u00e9cnicas de procesamiento y del agua de rosas de distintos fabricantes. Los resultados experimentales proporcionan una base te\u00f3rica para el estudio y desarrollo del aroma caracter\u00edstico del roc\u00edo de rosas. Para la extracci\u00f3n de los componentes arom\u00e1ticos del roc\u00edo de rosas se utiliza la tecnolog\u00eda de microextracci\u00f3n l\u00edquido-l\u00edquido disperso, que presenta las ventajas de un funcionamiento sencillo, bajo coste, alto factor de enriquecimiento y buena reproducibilidad. Puede utilizarse para la determinaci\u00f3n y el an\u00e1lisis de grandes cantidades de muestras de roc\u00edo de rosas.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rose water is a byproduct produced during the distillation and extraction process of rose essential oil, and its yield is much higher than that of rose essential oil; Rose fresh flower cell fluid is a liquid formed by the condensation of volatile substances in rose fresh flower cells under low temperature conditions, with the natural [&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>Ultrasonic assisted liquid-liquid microextraction gas chromatography\/mass spectrometry analysis of aroma components in rose dew - 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\/dispersiveliquid-liquid\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultrasonic assisted liquid-liquid microextraction gas chromatography\/mass spectrometry analysis of aroma components in rose dew - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Rose water is a byproduct produced during the distillation and extraction process of rose essential oil, and its yield is much higher than that of rose essential oil; 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