{"id":9901,"date":"2024-10-03T15:33:57","date_gmt":"2024-10-03T15:33:57","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9901"},"modified":"2024-10-03T15:33:57","modified_gmt":"2024-10-03T15:33:57","slug":"decolorization-methods","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/decolorization-methods\/","title":{"rendered":"\u00bfCu\u00e1les son los m\u00e9todos de decoloraci\u00f3n m\u00e1s utilizados en la elaboraci\u00f3n de alimentos?"},"content":{"rendered":"<h1>\u00bfCu\u00e1les son los m\u00e9todos de decoloraci\u00f3n m\u00e1s utilizados en la elaboraci\u00f3n de alimentos?<\/h1>\n<p>Seg\u00fan el color en distintos disolventes diferencia de solubilidad decoloraci\u00f3n<br \/>\n1. Precipitaci\u00f3n hidroalcoh\u00f3lica: puede eliminar una peque\u00f1a parte de los pigmentos hidrosolubles. 2. Precipitaci\u00f3n con alcohol: puede eliminar la mayor parte de los pigmentos liposolubles. (Tambi\u00e9n puede utilizarse alternativamente)<br \/>\n2. M\u00e9todo de precipitaci\u00f3n \u00e1cido-base: por ejemplo, cuando el pigmento impuro son algunos flavonoides, antraquinonas y otros componentes \u00e1cidos fen\u00f3licos, se puede ajustar por debajo de PH3, para que precipite.<br \/>\nSeg\u00fan el pigmento en la relaci\u00f3n de distribuci\u00f3n del disolvente bif\u00e1sico de diferentes decoloraciones<br \/>\nPor ejemplo, cuando el pigmento impureza es un n\u00famero de flavonoides, antraquinonas y otros componentes \u00e1cidos fen\u00f3licos, se puede tomar para ajustar el PH a 12 o m\u00e1s, el m\u00e9todo de extracci\u00f3n con disolventes org\u00e1nicos. En este momento, debido a que el pigmento se encuentran en forma de disociaci\u00f3n, no debe ser extra\u00eddo.<br \/>\nDecoloraci\u00f3n seg\u00fan la diferencia de adsorci\u00f3n de pigmentos y principios activos<\/p>\n<p>1, adsorci\u00f3n f\u00edsica: (la fuerza de adsorci\u00f3n es la fuerza intermolecular) (1) adsorbente polar: como gel de s\u00edlice, al\u00famina. Puede eliminar pigmentos hidr\u00f3filos. (2) Adsorbente no polar: como carb\u00f3n activado, pulpa, talco, tierra de diatomeas. Puede eliminar el pigmento lipof\u00edlico.<br \/>\nEl carb\u00f3n activado es un excelente adsorbente, tiene una gran capacidad de adsorci\u00f3n de pigmentos, bacterias, pir\u00f3genos y otras impurezas, y tambi\u00e9n desempe\u00f1a la funci\u00f3n de filtrado. Tiene un gran n\u00famero de microporos y huecos, y su \u00e1rea superficial puede alcanzar 200-500m2\/g. Principio de adsorci\u00f3n: Como la mayor\u00eda de los pigmentos tienen la estructura de doble enlace coaccionado, es f\u00e1cil que se adsorban.<br \/>\nUso: m\u00e9todo de adsorci\u00f3n en fr\u00edo, m\u00e9todo de adsorci\u00f3n por calor, m\u00e9todo de filtraci\u00f3n por capa de carb\u00f3n, m\u00e9todo de adsorci\u00f3n por cromatograf\u00eda en columna.<br \/>\n2\u3001Absorci\u00f3n qu\u00edmica (1) Por ejemplo, puede utilizarse al\u00famina alcalina para eliminar algunos flavonoides, antraquinonas y otros pigmentos de \u00e1cido fen\u00f3lico. (2) M\u00e9todo de resina de intercambio i\u00f3nico: por ejemplo, los flavonoides, las antraquinonas y otros pigmentos \u00e1cidos fen\u00f3licos pueden eliminarse mediante resina de intercambio i\u00f3nico.<br \/>\n(3) Adsorci\u00f3n semiqu\u00edmica: Poliamida y resina macroporosa. El principio de adsorci\u00f3n es el enlace de hidr\u00f3geno, y la resina macroporosa tambi\u00e9n tiene parte de la fuerza de van der Waals.<br \/>\nPoliamida puede ser a trav\u00e9s de la amida molecular carbonilo y fenoles hidroxilo fen\u00f3licos, flavonoides forman enlaces de hidr\u00f3geno. Tambi\u00e9n se pueden formar enlaces de hidr\u00f3geno entre el grupo amina libre del enlace amida y el grupo carbonilo de las quinonas y los \u00e1cidos carbox\u00edlicos alif\u00e1ticos.<br \/>\nEliminaci\u00f3n de pigmentos por precipitaci\u00f3n<br \/>\nSustancia representativa: leche de cal. Concentraci\u00f3n com\u00fan: 20%-30%.<br \/>\nPrincipio de decoloraci\u00f3n: Los iones de calcio en la leche de cal pueden combinarse con algunos ingredientes para formar quelato de calcio y la precipitaci\u00f3n de sales de calcio. Y la precipitaci\u00f3n en el papel de \u00e1cido sulf\u00farico, flavonoides, antraquinonas, fenoles, saponinas, algunos alcaloides y los iones de calcio formados por sales de calcio se puede romper, y luego se disuelve en agua. Pero los taninos, algunas prote\u00ednas, \u00e1cidos org\u00e1nicos, pigmentos polares, polisac\u00e1ridos, etc. no pueden descomponerse.<br \/>\nM\u00e9todo floculante para eliminar la coloraci\u00f3n<br \/>\n1, la industria alimentaria floculantes de uso com\u00fan y \u00e1mbito de aplicaci\u00f3n poliacrilamida, de uso com\u00fan en el proceso de bebidas, proceso de az\u00facar, proceso de fermentaci\u00f3n; fosfato dis\u00f3dico, fosfato tris\u00f3dico, de uso com\u00fan en el proceso de bebidas, proceso de fermentaci\u00f3n; \u00e1cido sulf\u00farico, de uso com\u00fan en el proceso de cerveza, proceso de fermentaci\u00f3n, proceso de almid\u00f3n, proceso de procesamiento de productos l\u00e1cteos; sulfato de zinc se utiliza com\u00fanmente en el proceso de huevos de cuero, proceso de cerveza, proceso de fermentaci\u00f3n; sulfato ferroso, de uso com\u00fan en las bebidas y el proceso de cerveza sulfato ferroso se utiliza com\u00fanmente en las bebidas y el proceso de cerveza;<br \/>\n2\u3001Factores que afectan al efecto de floculaci\u00f3n (1) el efecto de la temperatura; (2) el efecto del valor de pH del agua; (3) la naturaleza y estructura de los floculantes; (4) el efecto de la dosis de floculante; (5) el efecto de la velocidad y el tiempo de agitaci\u00f3n;<br \/>\nLa separaci\u00f3n por membrana para la eliminaci\u00f3n de pigmentos se utiliza m\u00e1s com\u00fanmente como tecnolog\u00eda de ultrafiltraci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>What are the common decolorization methods used in food processing? According to the color in different solvents solubility difference decolorization 1. water alcohol precipitation: can remove a small portion of water-soluble pigments. Alcohol precipitation: can remove most of the fat-soluble pigments. (Can also be used alternately) 2. Acid-base precipitation method: for example, when the impurity [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the common decolorization methods used in food processing? - 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\/decolorization-methods\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the common decolorization methods used in food processing? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"What are the common decolorization methods used in food processing? 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