{"id":6377,"date":"2024-01-08T06:08:01","date_gmt":"2024-01-08T06:08:01","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6377"},"modified":"2026-04-28T10:42:23","modified_gmt":"2026-04-28T10:42:23","slug":"how-do-antioxidants-work","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/how-do-antioxidants-work\/","title":{"rendered":"Como os antioxidantes funcionam?"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>1. Escopo da pesquisa sobre antioxidantes<\/p>\n<p>Os esfor\u00e7os de pesquisa sobre antioxidantes se concentraram nas tr\u00eas \u00e1reas a seguir.<\/p>\n<p>(1) Triagem de subst\u00e2ncias antioxidantes naturais, como VE e TP (polifen\u00f3is do ch\u00e1)<\/p>\n<p>(2) Pesquisa sobre a rela\u00e7\u00e3o estrutura-efeito dos antioxidantes. Diferentes tipos estruturais de antioxidantes t\u00eam diferentes atividades, e at\u00e9 mesmo a atividade do mesmo tipo estrutural de antioxidante \u00e9 afetada pelo n\u00famero e pela posi\u00e7\u00e3o dos substituintes. Weng Xinchu e Zhao Baolu revelaram o efeito da estrutura na atividade antioxidante a partir das perspectivas do experimento e do c\u00e1lculo mec\u00e2nico qu\u00e2ntico, respectivamente.<\/p>\n<p>(3) Pesquisa sobre o efeito sin\u00e9rgico entre os antioxidantes. Em compara\u00e7\u00e3o com os antioxidantes individuais, os antioxidantes compostos s\u00e3o favorecidos em virtude de sua alta atividade, de modo que o estudo do sinergismo se tornou um novo ponto quente no campo da pesquisa de antioxidantes. As pessoas agora t\u00eam uma compreens\u00e3o preliminar do efeito sin\u00e9rgico; um estudo mais aprofundado fornecer\u00e1 uma base te\u00f3rica para os componentes antioxidantes compostos e a raz\u00e3o de concentra\u00e7\u00e3o, com amplas perspectivas de aplica\u00e7\u00e3o.<\/p>\n<p>Vou explicar em detalhes por que os antioxidantes podem inibir a oxida\u00e7\u00e3o de gorduras e \u00f3leos?<\/p>\n<p>A inibi\u00e7\u00e3o eficaz da oxida\u00e7\u00e3o \u00e9 o objetivo do uso de antioxidantes. Devido \u00e0 sua pr\u00f3pria estrutura e natureza, os antioxidantes desempenham um papel de v\u00e1rias maneiras, e o mecanismo pode ser resumido da seguinte forma: tr\u00eas.<\/p>\n<p>(1) Elimina\u00e7\u00e3o de radicais livres<\/p>\n<p>A rea\u00e7\u00e3o de oxida\u00e7\u00e3o dos compostos lip\u00eddicos envolve principalmente a rea\u00e7\u00e3o em cadeia dos radicais livres. Para inibir a oxida\u00e7\u00e3o, al\u00e9m do uso de embalagens para isolar o ar e a luz, o meio mais eficaz \u00e9 adicionar antioxidantes. Os antioxidantes desempenham um papel na elimina\u00e7\u00e3o dos radicais livres, por isso s\u00e3o chamados de terminadores de radicais livres. A maioria dos antioxidantes, incluindo EQ, BHA, BHT, TBHQ, VE, TP, etc., que eram comumente usados no passado, s\u00e3o terminadores de radicais livres eficazes. Eles atuam principalmente como doadores de hidrog\u00eanio e reagem com radicais lip\u00eddicos, de modo que os radicais livres s\u00e3o transformados em compostos inativos ou est\u00e1veis, interferindo ou retardando a etapa de crescimento da cadeia na rea\u00e7\u00e3o em cadeia e, assim, atingindo o objetivo de inibir a oxida\u00e7\u00e3o.<\/p>\n<p>Antioxidante AH<\/p>\n<p>A- Radicais livres formados pelo pr\u00f3prio antioxidante ap\u00f3s o fornecimento de hidrog\u00eanio<\/p>\n<p>&nbsp;<\/p>\n<p>Os compostos fen\u00f3licos reagem com radicais lip\u00eddicos para formar radicais que s\u00e3o mais est\u00e1veis devido ao fato de que os el\u00e9trons desemparelhados podem ser distribu\u00eddos fora do dom\u00ednio do anel de benzeno.<\/p>\n<p>Portanto, as condi\u00e7\u00f5es que um terminador radical eficaz deve ter s\u00e3o:<\/p>\n<p>1.1 A capacidade de fornecer rapidamente \u00e1tomos de hidrog\u00eanio ao radical lip\u00eddico.<\/p>\n<p>1.2 A estabilidade do radical A- rec\u00e9m-gerado deve ser maior do que a do ROO- e RO-.<\/p>\n<p>(2) Quela\u00e7\u00e3o de \u00edons met\u00e1licos<\/p>\n<p>Muitos processos de oxida\u00e7\u00e3o ocorrem com a participa\u00e7\u00e3o de \u00edons met\u00e1licos. Os \u00edons met\u00e1licos desempenham a fun\u00e7\u00e3o de transferir el\u00e9trons no processo de mudan\u00e7a de val\u00eancia, o que pode encurtar o tempo do per\u00edodo de inicia\u00e7\u00e3o da cadeia, acelerando assim a taxa de oxida\u00e7\u00e3o dos compostos lip\u00eddicos. Portanto, a remo\u00e7\u00e3o de \u00edons met\u00e1licos \u00e9 importante para inibir a rea\u00e7\u00e3o de oxida\u00e7\u00e3o.<\/p>\n<p>Os derivados do \u00e1cido c\u00edtrico e do \u00e1cido fosf\u00f3rico podem formar complexos inertes com metais e inibir a decomposi\u00e7\u00e3o de hidroper\u00f3xidos, servindo assim ao prop\u00f3sito de antioxidante. De acordo com Katherinel et al, o \u00e1cido c\u00edtrico e o polifosfato de s\u00f3dio podem inibir a oxida\u00e7\u00e3o quelando \u00edons met\u00e1licos. Produtos Kemin.<\/p>\n<p>Deve-se ressaltar que o quelante de \u00edons met\u00e1licos inibe a gera\u00e7\u00e3o de radicais livres quelando a subst\u00e2ncia que inicia a rea\u00e7\u00e3o em cadeia e n\u00e3o pode ser combinado diretamente com os radicais livres, desempenhando, assim, um efeito antioxidante indireto, de modo que o efeito antioxidante \u00e9 geralmente fraco quando usado sozinho, por isso \u00e9 frequentemente usado em combina\u00e7\u00e3o com outros antioxidantes.<\/p>\n<p>(3) Elimina\u00e7\u00e3o de oxig\u00eanio<\/p>\n<p>Esse tipo de antioxidante inibe principalmente a oxida\u00e7\u00e3o por meio de sua pr\u00f3pria rea\u00e7\u00e3o redox. O VC, por exemplo, devido \u00e0 posi\u00e7\u00e3o molecular 2, 3 na exist\u00eancia de duas hidroxilas de enol adjacentes, tem fortes propriedades redutoras, pode reduzir efetivamente o per\u00f3xido no \u00f3leo, consumir o oxig\u00eanio no \u00f3leo e, assim, inibir a ocorr\u00eancia de oxida\u00e7\u00e3o. Da mesma forma, o sulfito e seus sais s\u00e3o facilmente oxidados a \u00e1cido sulf\u00f4nico e sulfato nos alimentos, desempenhando assim um papel antioxidante. Os alcaloides podem ganhar energia ao colidir com o 1O2 (oxig\u00eanio de alta energia, oxig\u00eanio linear \u00fanico), inativando assim o 1O2 em 3O2 (oxig\u00eanio basal, oxig\u00eanio linear triplo).<\/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> A practical stabilization strategy starts with the degradation risk first, then screens the additive package around processing conditions, service life, and appearance requirements.<\/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>How buyers usually evaluate antioxidants and stabilizers<\/h2>\n<p>Most stabilizer decisions work best when they are treated as package decisions rather than single-product decisions. Technical buyers usually get the strongest answer by reviewing long-term heat aging, process stability, weather exposure, and color sensitivity together.<\/p>\n<ul>\n<li><strong>Separate processing protection from long-term stability:<\/strong> the best additive for melt history is not always the same one that gives the best service-life retention.<\/li>\n<li><strong>Use synergy deliberately:<\/strong> many polymer and coating systems perform best when primary and secondary stabilizers are paired intentionally.<\/li>\n<li><strong>Review color and clarity requirements:<\/strong> clear, pale, food-contact, or white systems often need a tighter package than dark industrial products.<\/li>\n<li><strong>Check the real aging condition:<\/strong> heat, UV, humidity, and outdoor exposure can each change which stabilizer route is commercially strongest.<\/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\/\">CHLUMIAO 1010<\/a>:<\/strong> A widely used primary antioxidant benchmark for long-term thermal stability.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> A practical process-stability reference when hydroperoxide control matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-1076-cas-2082-79-3\/\">CHLUMIAO 1076<\/a>:<\/strong> A familiar phenolic-antioxidant benchmark when balancing efficiency and formulation fit.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-dltdp-cas-123-28-4\/\">CHLUMIAO DLTDP<\/a>:<\/strong> A useful sulfur-containing stabilizer route when synergistic antioxidant packages are being reviewed.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Why are stabilizer packages often stronger than a single additive?<\/strong><br \/>Because different products can protect different parts of the degradation pathway, so the package often covers more risk than one grade alone.<\/p>\n<p><strong>Does adding more antioxidant or UV stabilizer always improve performance?<\/strong><br \/>Not necessarily. Over-dosing can increase cost and sometimes create side effects, so most systems perform best inside a tested dosage window.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Research scope of antioxidants Research efforts on antioxidants have focused on the following three areas. (1) Screening of natural antioxidant substances, such as VE and TP (tea polyphenols) (2)<\/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-6377","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>How do antioxidants work? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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Research scope of antioxidants Research efforts on antioxidants have focused on the following three areas. 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