{"id":17433,"date":"2019-11-10T13:30:00","date_gmt":"2019-11-10T12:30:00","guid":{"rendered":"http:\/\/www.phytocontrol.com\/?p=17433"},"modified":"2026-03-13T14:42:05","modified_gmt":"2026-03-13T13:42:05","slug":"metodo-innovativo-sui-solfiti","status":"publish","type":"post","link":"https:\/\/stagingphytocontrol.shdesign.fr\/it\/notizie\/metodo-innovativo-sui-solfiti\/","title":{"rendered":"Metodo innovativo sui solfiti"},"content":{"rendered":"\n\n\n

Al fine di rafforzare la propria competenza nel campo dell’analisi degli allergeni<\/a>, Phytocontrol ha finalizzato un innovativo progetto di R&S sulla determinazione dei solfiti.<\/b><\/p>\n\n\n\n

Questa soluzione, che si differenzia dai metodi riconosciuti esistenti come la colorimetria e il metodo Monier Williams, si basa sul seguente principio: i solfiti vengono estratti dai campioni con una soluzione di formaldeide in acqua. Gli estratti vengono poi purificati prima di essere analizzati da LC-MS\/MS.<\/p>\n\n\n\n

I solfiti sono spesso utilizzati come additivi su una vasta gamma di alimenti e bevande per inibire la crescita batterica, controllare le reazioni enzimatiche e prevenire l’ossidazione.<\/p>\n\n\n\n

L’ingestione di alimenti con alti livelli di solfito pu\u00f2 causare reazioni di asma e intolleranza alimentare. La dose giornaliera ammissibile dell’OMS \u00e8 di 0,7 mg\/kg di peso corporeo.<\/p>\n\n\n\n

Il metodo ottimizzato Monier-Williams, che \u00e8 il metodo di riferimento comunemente usato, permette la determinazione dei solfiti totali negli alimenti. Questo metodo si basa sulla distillazione acida di SO2 seguita dalla titolazione dell’acido solforico generato con la soda. Tuttavia, questo metodo \u00e8 noto per i suoi effetti di sovradosaggio e talvolta di falsi positivi dovuti alla co-distillazione di composti volatili interferenti al momento della titolazione finale.<\/p>\n\n\n\n

La soluzione Phytocontrol<\/h3>\n\n\n\n

Studi* hanno dimostrato che il metodo Monier Williams pu\u00f2 generare interferenze legate alla presenza di acido acetico e propionico come nell’aceto o in altri prodotti marinati e stagionati, Phytocontrol ha sviluppato un metodo pi\u00f9 specifico basato su una derivazione dei solfiti con formaldeide e dosaggio da LC-MS\/MS.<\/p>\n\n\n\n

Il laboratorio \u00e8 quindi in grado di determinare la presenza di SO2<\/sub> superiore a 10 mg\/kg senza rischio di interferenze legate alla matrice. Questa analisi innovativa e accreditata, permette di ricercare e quantificare i solfiti su vari prodotti di origine vegetale.<\/p>\n\n\n\n

Per qualsiasi informazione tecnica, sui prezzi e\/o sulle normative, non esitate a contattarci<\/a>.<\/p>\n\n\n\n

*Comparison of four different methods for the determination of sulfites in foods marketed in South Korea – Ho-Soo Lima, Sung-Kwan Parka, So-Hee Kima, Sung-Bong Songa, Su-Jin Janga & Meehye Kima a Food Additives and Packages Division, Ministry of Food and Drug Safety, Osong-eup,Chungcheongbuk-do, Korea Published online: 16 Jan 2014.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

Al fine di rafforzare la propria competenza nel campo dell’analisi degli allergeni, Phytocontrol ha finalizzato…<\/p>\n","protected":false},"author":8,"featured_media":16438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1685],"tags":[],"class_list":["post-17433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notizie"],"acf":[],"yoast_head":"\nMetodo innovativo sui solfiti - Phytocontrol<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metodo innovativo sui solfiti - Phytocontrol\" \/>\n<meta property=\"og:description\" content=\"Al fine di rafforzare la propria competenza nel campo dell’analisi degli allergeni, Phytocontrol ha finalizzato…\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stagingphytocontrol.shdesign.fr\/it\/notizie\/metodo-innovativo-sui-solfiti\/\" \/>\n<meta property=\"og:site_name\" content=\"Phytocontrol\" \/>\n<meta property=\"article:published_time\" content=\"2019-11-10T12:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-13T13:42:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stagingphytocontrol.shdesign.fr\/app\/uploads\/2019\/05\/Vin2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"L\u00e9a\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"L\u00e9a\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/\"},\"author\":{\"name\":\"L\u00e9a\",\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/#\\\/schema\\\/person\\\/583b7e45bacbf470517a8537ff6a70c0\"},\"headline\":\"Metodo innovativo sui solfiti\",\"datePublished\":\"2019-11-10T12:30:00+00:00\",\"dateModified\":\"2026-03-13T13:42:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/\"},\"wordCount\":354,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/app\\\/uploads\\\/2019\\\/05\\\/Vin2.png\",\"articleSection\":[\"Notizie\"],\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/\",\"url\":\"https:\\\/\\\/stagingphytocontrol.shdesign.fr\\\/it\\\/notizie\\\/metodo-innovativo-sui-solfiti\\\/\",\"name\":\"Metodo innovativo sui solfiti - 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