{"id":5957,"date":"2024-08-05T15:04:29","date_gmt":"2024-08-05T15:04:29","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=5957"},"modified":"2024-08-05T15:04:29","modified_gmt":"2024-08-05T15:04:29","slug":"sodium-metabisulfite","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/es\/metabisulfito-sodico\/","title":{"rendered":"\u00bfQu\u00e9 es el metabisulfito s\u00f3dico como aditivo alimentario?"},"content":{"rendered":"

El metabisulfito s\u00f3dico es un polvo cristalino blanco o ligeramente amarillo con un fuerte olor a SO2. El metabisulfito s\u00f3dico tiene propiedades reductoras m\u00e1s potentes que los sulfitos y act\u00faa de forma similar al sulfito s\u00f3dico.<\/p>\n

El uso de metabisulfito s\u00f3dico en alimentos procesados debe prestar atenci\u00f3n a los siguientes puntos:<\/strong>
\n1)El metabisulfito de sodio es un agente blanqueador reductor, y su soluci\u00f3n es inestable y vol\u00e1til.<\/p>\n

2) La presencia de iones met\u00e1licos en los alimentos, el sulfito residual puede ser oxidado; tambi\u00e9n puede hacer que el pigmento reducido decoloraci\u00f3n por oxidaci\u00f3n, reduciendo as\u00ed la eficacia de la lej\u00eda. As\u00ed que use agente quelante de metales al mismo tiempo en la producci\u00f3n.<\/p>\n

3)Sustancias blanqueadas con sulfitos, debido a la desaparici\u00f3n de di\u00f3xido de azufre y f\u00e1cil de volver a colorear, por lo que normalmente en los alimentos exceso de di\u00f3xido de azufre residual, pero la cantidad residual no deber\u00e1 superar la norma.<\/p>\n

4) El sulfito no puede inhibir la actividad de la pectinasa, ser\u00e1 perjudicial para la cohesi\u00f3n de la pectina. Adem\u00e1s sulfito infiltrado en el tejido de la fruta, el procesamiento de la fruta rota, con el fin de deshacerse de di\u00f3xido de azufre, por lo que la fruta conservada con sulfito s\u00f3lo es adecuado para la producci\u00f3n de mermeladas, frutos secos, vinos de frutas, conservas, etc., no se puede utilizar como materia prima para la industria conservera.<\/p>\n

5) El sulfito puede destruir la tiamina, por lo que no es f\u00e1cil utilizarlo para alimentar a los peces.<\/p>\n

6) Los sulfitos reaccionan f\u00e1cilmente con aldeh\u00eddos, cetonas, prote\u00ednas, etc.<\/p>\n

Precauciones de almacenamiento:<\/strong><\/p>\n

Almacenar en un almac\u00e9n fresco, seco y bien ventilado. Mantener alejado del fuego y de fuentes de calor. Mantener el envase cerrado herm\u00e9ticamente. Debe almacenarse separado de oxidantes, \u00e1cidos y productos qu\u00edmicos comestibles, y no debe mezclarse. No debe almacenarse durante mucho tiempo para evitar su deterioro. El \u00e1rea de almacenamiento debe estar equipada con materiales adecuados para resguardar los derrames.<\/p>\n

Almacenamiento y fecha de caducidad:<\/strong><\/p>\n

Proteger de la luz y mantener sellado.<\/p>\n

Aplicaci\u00f3n del metabisulfito s\u00f3dico en los alimentos:<\/strong>
\nEn la actualidad, en el procesamiento y conservaci\u00f3n de hortalizas de color claro en China, tales como setas, ra\u00edz de loto, herraduras, esp\u00e1rragos blancos, \u00f1ame y otros productos. M\u00e1s que el uso de soluci\u00f3n de metabisulfito de sodio para la protecci\u00f3n del color, por supuesto, hay algunas diferencias en el proceso de cada planta, como en las setas en conserva en el procesamiento de setas frescas en el momento oportuno con una soluci\u00f3n acuosa que contiene metabisulfito de sodio 0,03 g \/ kg empapado 2 veces, cada vez 1-2min.<\/p>\n

En la industria galletera, el metabisulfito s\u00f3dico se utiliza como mejorador de la masa de galletas, que se prepara en una soluci\u00f3n 20% antes de su uso, y se a\u00f1ade a la masa inmadura por lotes durante el proceso de modulaci\u00f3n de la masa.<\/p>\n

Como el di\u00f3xido de azufre liberado por el metabisulfito de sodio en el proceso de modificaci\u00f3n de la masa tiene un efecto de disminuci\u00f3n de la fuerza del gluten de la masa, cuando la fuerza del gluten y la dureza de la harina es grande, se a\u00f1ade una peque\u00f1a cantidad para evitar la deformaci\u00f3n del producto terminado de galletas debido a la excesiva fuerza del gluten. Dureza de la masa se puede a\u00f1adir de acuerdo a la harina de gluten discreci\u00f3n fuerza, y por lo general en la alta proporci\u00f3n de aceite y az\u00facar en la masa de manteca en la medida de lo posible no utilizar, esto se debe a la adici\u00f3n de aceite y az\u00facar en s\u00ed ha impedido la expansi\u00f3n de la absorci\u00f3n de prote\u00ednas de gluten, la prevenci\u00f3n de un gran n\u00famero de la formaci\u00f3n de gluten, sin necesidad de a\u00f1adir metabisulfito de sodio.<\/p>","protected":false},"excerpt":{"rendered":"

Sodium metabisulfite is a white or slightly yellow crystalline powder with a strong SO2 odor. Sodium metabisulfite has stronger reducing properties than sulfites and acts similarly to sodium sulfite. The use of sodium metabisulfite in processed food should pay attention to the following points: 1)Sodium metabisulfite is a reducing bleaching agent, and its solution is […]<\/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":"\nWhat is Sodium Metabisulfite as a Food Additive? - 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\/metabisulfito-sodico\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Sodium Metabisulfite as a Food Additive? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Sodium metabisulfite is a white or slightly yellow crystalline powder with a strong SO2 odor. 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