{"id":6375,"date":"2024-01-05T03:00:44","date_gmt":"2024-01-05T03:00:44","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6375"},"modified":"2026-04-28T10:42:23","modified_gmt":"2026-04-28T10:42:23","slug":"to-avoid-or-retard-oxidative-reactions-antioxidants","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/to-avoid-or-retard-oxidative-reactions-antioxidants\/","title":{"rendered":"Para evitar ou retardar rea\u00e7\u00f5es oxidativas - Antioxidantes"},"content":{"rendered":"<p>1, a fim de evitar ou retardar a rea\u00e7\u00e3o de oxida\u00e7\u00e3o, principalmente a partir das mat\u00e9rias-primas, do processamento e da preserva\u00e7\u00e3o da qualidade e de outros aspectos das medidas:<\/p>\n<p>\u2460 embalagem selada e \u00e0 prova de luz<\/p>\n<p>\u2461 g\u00e1s de enchimento, imers\u00e3o e tratamento de revestimento<\/p>\n<p>\u2462 Reduzir a temperatura de armazenamento<\/p>\n<p>\u2462 Reduzir a temperatura de armazenamento \u2463 Uso de desoxidantes: reduzir a concentra\u00e7\u00e3o de oxig\u00eanio<\/p>\n<p>\u2464 Adicione antioxidantes<\/p>\n<p>2\u3001Classifica\u00e7\u00e3o de antioxidantes e mecanismo de fun\u00e7\u00e3o<\/p>\n<p>(1) Bloqueiam a rea\u00e7\u00e3o em cadeia da oxida\u00e7\u00e3o autom\u00e1tica de gorduras e \u00f3leos.<\/p>\n<p>\u2460 Absorvedor de radicais livres: pode liberar \u00edons de hidrog\u00eanio, que podem se combinar com a rea\u00e7\u00e3o de radicais livres, especialmente o radical peroxila ROO-, para formar compostos est\u00e1veis que interrompem a rea\u00e7\u00e3o em cadeia no processo de oxida\u00e7\u00e3o e impedem que o processo de oxida\u00e7\u00e3o continue ocorrendo; e forma radicais livres antioxidantes por si s\u00f3, mas os radicais livres antioxidantes podem formar d\u00edmeros est\u00e1veis, como o polifenol do ch\u00e1 (TP), tocoferol, flavonoides, BHA, BHT, TBHQ, PG, etc.<\/p>\n<p>(ii) decompositor de per\u00f3xido de hidrog\u00eanio: libera\u00e7\u00e3o da decomposi\u00e7\u00e3o e destrui\u00e7\u00e3o do per\u00f3xido de \u00edons de hidrog\u00eanio, de modo que n\u00e3o possa formar alde\u00eddos ou cetonas do produto, como o \u00e9ster di-lauro\u00edlico do \u00e1cido tiodipropi\u00f4nico, etc.<\/p>\n<p>(2) Consumo de oxig\u00eanio dentro do alimento e no ambiente por meio de sua pr\u00f3pria oxida\u00e7\u00e3o<\/p>\n<p>(3) Removedores de oxig\u00eanio: com a ajuda da rea\u00e7\u00e3o de redu\u00e7\u00e3o, reduzem o conte\u00fado de oxig\u00eanio dentro e ao redor do alimento, como \u00e1cido asc\u00f3rbico, palmitato de ascorbila, \u00e1cido isoasc\u00f3rbico e seu sal de s\u00f3dio, etc.<\/p>\n<p>(3) quela\u00e7\u00e3o de \u00edons met\u00e1licos para eliminar sua atividade catal\u00edtica<\/p>\n<p>(4) Agente quelante de metais: complexa\u00e7\u00e3o e veda\u00e7\u00e3o de radicais livres ou \u00edons que catalisam a oxida\u00e7\u00e3o, formando uma forma est\u00e1vel de \u00edons complexos com \u00edons met\u00e1licos, como \u00e1cido c\u00edtrico, EDTA, derivados de \u00e1cido fosf\u00f3rico e \u00e1cido f\u00edtico, etc;<\/p>\n<p>(4) Remo\u00e7\u00e3o de oxig\u00eanio dissolvido ou elimina\u00e7\u00e3o de \u00f3xidos elevados em sistemas alimentares<\/p>\n<p>(5) antioxidantes enzim\u00e1ticos: glicose oxidase, super\u00f3xido dismutase, glutationa peroxidase, catalase, etc.<\/p>\n<p>(5) Oxig\u00eanio em estado linear \u00fanico (mol\u00e9cula de oxig\u00eanio em estado excitado) em oxig\u00eanio em estado tri-linear (\u00e1tomo de oxig\u00eanio em estado fundamental)<\/p>\n<p>(6) agente de explos\u00e3o de estado linear \u00fanico: \u03b2-caroteno<\/p>\n<p>3, a classifica\u00e7\u00e3o dos antioxidantes alimentares, de acordo com sua fonte, \u00e9 dividida em antioxidantes sint\u00e9ticos qu\u00edmicos e antioxidantes naturais.<\/p>\n<p>Antioxidantes qu\u00edmicos sint\u00e9ticos: butil hidroxianisol (BHA), dibutil hidroxitolueno (BHT), propil galato (PG), terc-butil-hidroquinona (TBHQ)<br \/>\nAntioxidantes naturais: flavonoides, extratos de ervas, extratos de especiarias e ervas.<\/p>\n<p>4\u3001Classificados de acordo com seu modo de a\u00e7\u00e3o:<\/p>\n<p>\u2460 removedores de radicais livres: compostos fen\u00f3licos<\/p>\n<p>\u2461 decompositor de per\u00f3xido de hidrog\u00eanio: antioxidantes contendo enxofre<\/p>\n<p>\u2462 Absorvedores de oxig\u00eanio: \u00e1cido asc\u00f3rbico, \u00e1cido isoasc\u00f3rbico e sal de s\u00f3dio<\/p>\n<p>\u2463 Antioxidantes enzim\u00e1ticos: super\u00f3xido dismutase, catalase, etc.<\/p>\n<p>\u2464 Agente quelante de \u00edons met\u00e1licos: \u00e1cido c\u00edtrico, EDTA, \u00e1cido f\u00edtico, etc.<\/p>\n<p>\u2465 Agente de explos\u00e3o linear \u00fanico: \u03b2-caroteno<\/p>\n<p>5, butil-hidroxianisol (BHA): s\u00f3lido branco, insol\u00favel em \u00e1gua, sol\u00favel em solventes org\u00e2nicos de etanol; antioxidantes sol\u00faveis em gordura e sol\u00faveis em uma variedade de gorduras e \u00f3leos (gorduras e \u00f3leos animais); leve, o calor \u00e9 mais est\u00e1vel, f\u00e1cil de emulsionar.<\/p>\n<p>Dibutil-hidroxitolueno (BHT): p\u00f3 branco cristalino, inodoro, ins\u00edpido, insol\u00favel em \u00e1gua, sol\u00favel em diversos solventes org\u00e2nicos; alta estabilidade, sem mudan\u00e7a de cor na rea\u00e7\u00e3o com \u00edons met\u00e1licos, luz, calor \u00e9 bastante est\u00e1vel; sem odor espec\u00edfico, mas com toxicidade relativamente alta.<\/p>\n<p>Galato de propila (PG): p\u00f3 cristalino branco, inodoro, com sabor levemente amargo, sol\u00favel em \u00e1gua quente ou solventes alco\u00f3licos, pode formar complexos coloridos com cobre, ferro e outros \u00edons met\u00e1licos, a estabilidade \u00e0 luz e ao calor \u00e9 ruim.<\/p>\n<p>TBHQ: p\u00f3 cristalino branco, com um odor especial, ligeiramente sol\u00favel em \u00e1gua, sol\u00favel em etanol, \u00e9ter, v\u00e1rios tipos de \u00f3leos vegetais, a estabilidade t\u00e9rmica \u00e9 melhor, n\u00e3o reage com cobre, \u00edons de ferro, bact\u00e9rias, leveduras e fungos, tem um certo efeito inibit\u00f3rio.<\/p>\n<p>6\u3001Tecnologia de uso de antioxidantes<\/p>\n<p>(1) compreender plenamente o desempenho dos antioxidantes e escolher: ao determinar a necessidade de adicionar antioxidantes a esse alimento, deve-se compreender plenamente o desempenho dos antioxidantes e atender aos requisitos da norma nacional para o uso de aditivos alimentares com base no teste para determinar as esp\u00e9cies antioxidantes mais adequadas.<\/p>\n<p>(2) Compreender corretamente o momento da adi\u00e7\u00e3o de antioxidantes: ao usar antioxidantes, eles devem ser usados antes que o alimento esteja fresco e n\u00e3o tenha sofrido deteriora\u00e7\u00e3o oxidativa, para que o papel dos antioxidantes seja plenamente aproveitado.<\/p>\n<p>(3) Uso de compostos de antioxidantes e sinergistas: por exemplo, o \u00e1cido tocoferol-asc\u00f3rbico \u00e9 um par de antioxidantes mistos que sinergizam entre si.<\/p>\n<p>(4) Escolha a quantidade adequada de aditivos: a quantidade de aditivos deve estar em conformidade com as normas nacionais para o uso de aditivos alimentares. Antioxidantes sol\u00faveis em \u00f3leo n\u00e3o mais que 0,02%, antioxidantes sol\u00faveis em \u00e1gua n\u00e3o mais que 0,01%)<\/p>\n<p>(5) Controlar os fatores que afetam o efeito dos antioxidantes: luz, calor, oxig\u00eanio, \u00edons met\u00e1licos e a dispers\u00e3o dos antioxidantes nos alimentos.<\/p>\n<h1><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> For antioxidant, UV absorber, and HALS topics, formulators usually compare long-term protection, process stability, and color control together because those priorities do not always point to the same additive.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<h4><strong><b>Se precisar do Price, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato dentro de 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail\u00a0<a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a>\u00a0durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>\n<p>&nbsp;<\/p>\n<table width=\"981\">\n<tbody>\n<tr>\n<td width=\"499\"><strong>Produtos de formula\u00e7\u00e3o<\/strong><\/td>\n<td width=\"151\"><\/td>\n<td width=\"331\"><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1135-cas-125643-61-0\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1135<\/span><\/a><\/td>\n<td>CAS 125643-61-0<\/td>\n<td>Irganox 1135 \/ Antioxidante 1135<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1425-cas-65140-91-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1425<\/span><\/a><\/td>\n<td>CAS 65140-91-2<\/td>\n<td>Irganox 1425 \/ Dragonox 1425 \/ Antioxidante 1425 \/ BNX 1425<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1726-cas-110675-26-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1726<\/span><\/a><\/td>\n<td>CAS 110675-26-8<\/td>\n<td>Antioxidante 1726 \/ Irganox 1726 \/ Omnistab AN 1726<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-3052-cas-61167-58-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 3052<\/span><\/a><\/td>\n<td>CAS 61167-58-6<\/td>\n<td>IRGANOX 3052 \/ Acrilato de 4-metilfenila \/ Antioxidante 3052<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-5057-cas-68411-46-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 5057<\/span><\/a><\/td>\n<td>CAS 68411-46-1<\/td>\n<td>Irganox 5057 \/ Antioxidante 5057 \/ Omnistab AN 5057<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-697-antioxidant-697-cas-70331-94-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 697<\/span><\/a><\/td>\n<td>CAS 70331-94-1<\/td>\n<td>Antioxidante 697 \/ Irganox 697 \/ Naugard XL-1 \/ Antioxidante 697<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-80-cas-90498-90-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 80<\/span><\/a><\/td>\n<td>CAS 90498-90-1<\/td>\n<td>Irganox 80 \/ Antioxidante 80<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1024-cas-32687-78-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1024<\/span><\/a><\/td>\n<td>CAS 32687-78-8<\/td>\n<td>Irganox 1024 \/ Antioxidante 1024<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1035-cas-41484-35-9\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1035<\/span><\/a><\/td>\n<td>CAS 41484-35-9<\/td>\n<td>Irganox 1035 \/ Antioxidante 1035<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaohe-s01-n40\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae HE-S01\/N40<\/span><\/a><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaohn-55-70-80-502-510-514-516-602\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae HN-55\/70\/80\/502\/510\/514\/516\/602<\/span><\/a><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-hc-30-100\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae HC-30\/100<\/span><\/a><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-ho-17-17eh\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae HO-17\/17EH<\/span><\/a><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-hs-502-503-504-603-605-608-101\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae HS-502\/503\/504\/603\/605\/608\/101<\/span><\/a><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Antioxidantes de fosfito<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-168-cas-31570-04-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 168<\/span><\/a><\/td>\n<td>CAS 31570-04-4<\/td>\n<td>Irganox 168 \/ Antioxidante 168<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-626-cas-26741-53-7\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 626<\/span><\/a><\/td>\n<td>CAS 26741-53-7<\/td>\n<td>Ultranox 626 \/ Irgafos 126<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1790-cas-40601-76-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1790<\/span><\/a><\/td>\n<td>CAS 40601-76-1<\/td>\n<td>Antioxidante 1790\/ Cyanox 1790 \/ Irganox 1790<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-245-cas-36443-68-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 245<\/span><\/a><\/td>\n<td>CAS 36443-68-2<\/td>\n<td>Irganox 245 \/ Antioxidante 245<\/td>\n<\/tr>\n<tr>\n<td><strong>Fosfitos de alto desempenho<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1500-cas-96152-48-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1500<\/span><\/a><\/td>\n<td>CAS 96152-48-6<\/td>\n<td>Antioxidante 1500<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao4500-cas-13003-12-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 4500<\/span><\/a><\/td>\n<td>CAS 13003-12-8<\/td>\n<td>Antioxidante 4500<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-pdp-cas-80584-86-7\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae PDP<\/span><\/a><\/td>\n<td>CAS 80584-86-7<\/td>\n<td>PowerNox DHOP \/ Antioxidante DHOP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao618-cas-3806-34-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 618<\/span><\/a><\/td>\n<td>CAS 3806-34-6<\/td>\n<td>Antioxidante 618<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaodlp-cas-21302-09-0\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DLP<\/span><\/a><\/td>\n<td>CAS 21302-09-0<\/td>\n<td>Antioxidante DLP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaodpp-cas-4712-55-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DPP<\/span><\/a><\/td>\n<td>CAS 4712-55-4<\/td>\n<td>Antioxidante DPP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaodtdp-cas-36432-46-9\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DTDP<\/span><\/a><\/td>\n<td>CAS 36432-46-9<\/td>\n<td>Antioxidante DTDP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaothop-cas-80584-85-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae THOP<\/span><\/a><\/td>\n<td>CAS 80584-85-6<\/td>\n<td>Antioxidante THOP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-tnpp-cas-26523-78-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TNPP<\/span><\/a><\/td>\n<td>CAS 26523-78-4<\/td>\n<td>Antioxidante TNPP \/ Tris(nonilfenil) fosfito<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-pep-36-cas-80693-00-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae PEP-36<\/span><\/a><\/td>\n<td>CAS 80693-00-1<\/td>\n<td>Antioxidante 636 \/ Antioxidante 636<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-9228-cas-154862-43-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 9228<\/span><\/a><\/td>\n<td>CAS 154862-43-8<\/td>\n<td>Irganox 9228 \/ Antioxidante 9228<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-pepq-cas-119345-01-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae PEPQ<\/span><\/a><\/td>\n<td>CAS 119345-01-6<\/td>\n<td>Hostanox PEPQ \/ Antioxidante PEPQ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Fosfitos de baixa impureza<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dpop-cas-15647-08-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DPOP<\/span><\/a><\/td>\n<td>CAS 15647-08-2<\/td>\n<td>Fosfito de 2-etil-hexil difenil<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao8621-cas-68123-00-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 8621<\/span><\/a><\/td>\n<td>CAS 68123-00-2<\/td>\n<td>Antioxidante 8621<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaodpdp-cas-26544-23-0\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DPDP<\/span><\/a><\/td>\n<td>CAS 26544-23-0<\/td>\n<td>Antioxidante DPDP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaopddp-cas-25550-98-5\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae PDDP<\/span><\/a><\/td>\n<td>CAS 25550-98-5<\/td>\n<td>Antioxidante PDDP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaopdop-cas-3164-60-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae PDOP<\/span><\/a><\/td>\n<td>CAS 3164-60-1<\/td>\n<td>Antioxidante PDOP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaotpp-cas-101-02-0\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TPP<\/span><\/a><\/td>\n<td>CAS 101-02-0<\/td>\n<td>Antioxidante TPP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/polydicyclopentadiene-co-p-cresol-cas-68610-51-5\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae Poly(dicyclopentadiene-co-p-cresol)<\/span><\/a><\/td>\n<td>CAS 68610-51-5<\/td>\n<td>Poli(diciclopentadieno-co-p-cresol)<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-seed-cas-42774-15-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae SEED<\/span><\/a><\/td>\n<td>CAS 42774-15-2<\/td>\n<td>Antioxidante SEED \/ Omnistab LS 5519 \/ Estabilizador de Luz 856<\/td>\n<\/tr>\n<tr>\n<td><strong>Antioxidantes fen\u00f3licos inibidos<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-264-cas-128-37-0\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 264<\/span><\/a><\/td>\n<td>CAS 128-37-0<\/td>\n<td>Antioxidante 264 \/ Butylated hydroxytoluene<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/26-di-tert-butylphenol-cas-128-39-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 2,6-Di-tert-butilfenol<\/span><\/a><\/td>\n<td>CAS 128-39-2<\/td>\n<td>2,6-Di-tert-butilfenol<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-300-cas-96-69-5\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 300<\/span><\/a><\/td>\n<td>CAS 96-69-5<\/td>\n<td>Irganox 300 \/ Antioxidante 300<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-2246-cas-119-47-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 2246<\/span><\/a><\/td>\n<td>CAS 119-47-1<\/td>\n<td>Irganox 2246 \/ BNX 2246<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/antioxidant-1222-cas-976-56-7\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1222<\/span><\/a><\/td>\n<td>CAS 976-56-7<\/td>\n<td>Antioxidante 1222 \/ Irganox 1222<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-702-cas-118-82-1\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 702<\/span><\/a><\/td>\n<td>CAS 118-82-1<\/td>\n<td>Irganox 702 \/ Antioxidante 702 \/ Ethanox 702<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dbhq-cas-88-58-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DBHQ<\/span><\/a><\/td>\n<td>CAS 88-58-4<\/td>\n<td>Antioxidante DTBHQ<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae MTBHQ<\/span><\/a><\/td>\n<td>CAS 1948-33-0<\/td>\n<td>2-terc-butil-hidroquinona Grau industrial<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1076-cas-2082-79-3\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1076<\/span><\/a><\/td>\n<td>CAS 2082-79-3<\/td>\n<td>Irganox 1076 \/ Antioxidante 1076<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1010-cas-6683-19-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1010<\/span><\/a><\/td>\n<td>CAS 6683-19-8<\/td>\n<td>Irganox 1010 \/ Antioxidante 1010<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1330-cas-1709-70-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1330<\/span><\/a><\/td>\n<td>CAS 1709-70-2<\/td>\n<td>Irganox 1330 \/ Ethanox 330<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1520-cas-110553-27-0-2\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1520<\/span><\/a><\/td>\n<td>CAS 110553-27-0<\/td>\n<td>Irganox 1520 \/ Antioxidante 1520<\/td>\n<\/tr>\n<tr>\n<td><strong>Fosfitos livres de fenol Antioxidantes<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-8608-cas-26544-27-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 8608<\/span><\/a><\/td>\n<td>CAS 26544-27-4<\/td>\n<td>Antioxidante AO DPD \/ Everaox 202<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao430-cas-36788-39-3\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 430<\/span><\/a><\/td>\n<td>CAS 36788-39-3<\/td>\n<td>Antioxidante 430 \/ WESTON 430<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao8608t-cas-1334238-11-7-69439-68-5\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 8608T<\/span><\/a><\/td>\n<td>CAS 1334238-11-7, 69439-68-5<\/td>\n<td>Antioxidante 8608T<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao8627-cas-68610-62-8\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 8627<\/span><\/a><\/td>\n<td>CAS 68610-62-8<\/td>\n<td>Antioxidante 8627<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaotdp-cas-25448-25-3\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TDP<\/span><\/a><\/td>\n<td>CAS 25448-25-3<\/td>\n<td>Antioxidante TDP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaotlp-cas-3076-63-9\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TLP<\/span><\/a><\/td>\n<td>CAS 3076-63-9<\/td>\n<td>Antioxidante TLP<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaotop-cas-301-13-3\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TOP<\/span><\/a><\/td>\n<td>CAS 301-13-3<\/td>\n<td>TOP Antioxidante<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaottdp-cas-77745-66-5\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae TTDP<\/span><\/a><\/td>\n<td>CAS 77745-66-5<\/td>\n<td>Antioxidante TTDP<\/td>\n<\/tr>\n<tr>\n<td><strong>\u00c9steres de tiol Antioxidantes<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dltdp-cas-123-28-4\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DLTDP<\/span><\/a><\/td>\n<td>CAS 123-28-4<\/td>\n<td>Tiodipropionato de dilaurila<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dstdp-cas-693-36-7\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae DSTDP<\/span><\/a><\/td>\n<td>CAS 693-36-7<\/td>\n<td>istearyl thiodipropionate\/ Antioxidante DSTDP<\/td>\n<\/tr>\n<tr>\n<td><strong>Antioxidantes am\u00ednicos<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-3114-cas-27676-62-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 3114<\/span><\/a><\/td>\n<td>CAS 27676-62-6<\/td>\n<td>Irganox 3114 \/ Antioxidante 3114<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-92-88-6\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 4,4\u2032-bifenol<\/span><\/a><\/td>\n<td>CAS 92-88-6<\/td>\n<td>4,4\u2032-bifenol<\/td>\n<\/tr>\n<tr>\n<td><strong>Desativadores de metais Antioxidantes<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1098-cas-23128-74-7\/\"><span style=\"color: #00ccff;\">CHLUMIAO\u00ae 1098<\/span><\/a><\/td>\n<td>CAS 23128-74-7<\/td>\n<td>Irganox 1098 \/ Antioxidante 1098<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Como os compradores geralmente avaliam antioxidantes e estabilizantes<\/h2>\n<p>A maioria das decis\u00f5es sobre estabilizantes funciona melhor quando s\u00e3o tratadas como decis\u00f5es de pacote, em vez de decis\u00f5es de produto individual. Os compradores t\u00e9cnicos geralmente obt\u00eam a resposta mais adequada ao analisar em conjunto o envelhecimento t\u00e9rmico a longo prazo, a estabilidade do processo, a exposi\u00e7\u00e3o \u00e0s intemp\u00e9ries e a sensibilidade da cor.<\/p>\n<ul>\n<li><strong>Prote\u00e7\u00e3o de processamento separada da estabilidade a longo prazo:<\/strong> O melhor aditivo para hist\u00f3rico de fus\u00e3o nem sempre \u00e9 o mesmo que proporciona a melhor reten\u00e7\u00e3o da vida \u00fatil.<\/li>\n<li><strong>Use a sinergia de forma deliberada:<\/strong> Muitos sistemas de pol\u00edmeros e revestimentos apresentam melhor desempenho quando estabilizadores prim\u00e1rios e secund\u00e1rios s\u00e3o combinados intencionalmente.<\/li>\n<li><strong>Analisar os requisitos de cor e nitidez:<\/strong> Sistemas transparentes, claros, para contato com alimentos ou brancos geralmente precisam de uma embalagem mais compacta do que produtos industriais escuros.<\/li>\n<li><strong>Verifique o verdadeiro estado de envelhecimento:<\/strong> Calor, raios UV, umidade e exposi\u00e7\u00e3o ao ar livre podem alterar qual m\u00e9todo de estabiliza\u00e7\u00e3o \u00e9 comercialmente mais eficaz.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMI\u00c3O 1010<\/a>:<\/strong> Um par\u00e2metro de refer\u00eancia antioxidante prim\u00e1rio amplamente utilizado para estabilidade t\u00e9rmica a longo prazo.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMI\u00c3O 168<\/a>:<\/strong> Uma refer\u00eancia pr\u00e1tica para a estabilidade do processo quando o controle de hidroper\u00f3xidos \u00e9 importante.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1076-cas-2082-79-3\/\">CHLUMI\u00c3O 1076<\/a>:<\/strong> Um par\u00e2metro de refer\u00eancia fen\u00f3lico-antioxidante conhecido quando se busca equilibrar efic\u00e1cia e adequa\u00e7\u00e3o \u00e0 formula\u00e7\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dltdp-cas-123-28-4\/\">CHLUMIAO DLTDP<\/a>:<\/strong> Uma via \u00fatil para estabiliza\u00e7\u00e3o contendo enxofre quando se avaliam pacotes sin\u00e9rgicos de antioxidantes.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que os pacotes de estabilizantes costumam ser mais eficazes do que um \u00fanico aditivo?<\/strong><br \/>Como diferentes produtos podem proteger diferentes partes do processo de degrada\u00e7\u00e3o, a embalagem geralmente abrange mais riscos do que apenas um n\u00edvel de prote\u00e7\u00e3o.<\/p>\n<p><strong>Adicionar mais antioxidante ou estabilizador UV sempre melhora o desempenho?<\/strong><br \/>N\u00e3o necessariamente. A sobredosagem pode aumentar os custos e, por vezes, causar efeitos secund\u00e1rios, pelo que a maioria dos sistemas funciona melhor dentro de uma faixa de dosagem testada.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1, in order to avoid or delay the oxidation reaction, mainly from the raw materials, processing and preservation of quality and other aspects of measures: \u2460 sealed and lightproof packaging<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152],"tags":[],"class_list":["post-6375","post","type-post","status-publish","format-standard","hentry","category-antioxidant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>To avoid or retard oxidative reactions - Antioxidants - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1, in order to avoid or delay the oxidation reaction, mainly from the raw materials, processing and preservation of quality and other aspects of measure...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/pt\/to-avoid-or-retard-oxidative-reactions-antioxidants\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"To avoid or retard oxidative reactions - Antioxidants - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"1, in order to avoid or delay the oxidation reaction, mainly from the raw materials, processing and preservation of quality and other aspects of measure...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/pt\/to-avoid-or-retard-oxidative-reactions-antioxidants\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-05T03:00:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-28T10:42:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/to-avoid-or-retard-oxidative-reactions-antioxidants\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/to-avoid-or-retard-oxidative-reactions-antioxidants\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"To avoid or retard oxidative reactions &#8211; 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