{"id":7319,"date":"2024-09-10T13:00:02","date_gmt":"2024-09-10T13:00:02","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7319"},"modified":"2026-04-28T10:42:35","modified_gmt":"2026-04-28T10:42:35","slug":"what-do-you-know-about-proteases","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/what-do-you-know-about-proteases\/","title":{"rendered":"O que voc\u00ea sabe sobre proteases?"},"content":{"rendered":"<h1><strong>O que voc\u00ea sabe sobre proteases?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> A practical enzyme or food-ingredient decision starts with the process target, then checks activity, application window, sensory impact, and batch-to-batch consistency before scale-up.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Protease \u00e9 um termo geral para uma classe de enzimas que hidrolisam cadeias de pept\u00eddeos de prote\u00ednas. De acordo com sua degrada\u00e7\u00e3o de pept\u00eddeos, ela \u00e9 dividida em duas categorias: endopeptidase e telopeptidase. A primeira pode cortar a cadeia pept\u00eddica de grande peso molecular a partir do meio para formar pr\u00edons e peptonas de peso molecular menor; a segunda pode ser dividida em carboxipeptidases e aminopeptidases, que hidrolisam a cadeia pept\u00eddica para gerar amino\u00e1cidos um a um a partir do terminal carbox\u00edlico livre ou do terminal amino livre do pept\u00eddeo, respectivamente.<\/p>\n<p>Classifica\u00e7\u00e3o<br \/>\nUm termo geral para uma classe de enzimas que hidrolisam as liga\u00e7\u00f5es de pept\u00eddeos em prote\u00ednas. De acordo com a forma como hidrolisam os pept\u00eddeos, elas podem ser divididas em duas categorias: endopeptidases e exopeptidases. As endopeptidases cortam a parte interna das mol\u00e9culas de prote\u00edna para formar peptonas e moonshine de pequeno peso molecular. As exopeptidases hidrolisam as liga\u00e7\u00f5es pept\u00eddicas, uma a uma, dos terminais amino ou carboxil livres das mol\u00e9culas de prote\u00edna para amino\u00e1cidos livres, sendo as primeiras aminopeptidases e as \u00faltimas carboxipeptidases. De acordo com seu centro ativo e pH ideal, as proteases podem ser classificadas em serino proteases, mercapto proteases, metaloproteases e asp\u00e1rtico proteases. De acordo com o pH ideal de sua rea\u00e7\u00e3o, elas s\u00e3o divididas em proteases \u00e1cidas, proteases neutras e proteases alcalinas. As proteases usadas na produ\u00e7\u00e3o industrial s\u00e3o principalmente endopeptidases.<\/p>\n<p>As proteases s\u00e3o amplamente encontradas em \u00f3rg\u00e3os animais, caules e folhas de plantas, frutas e microrganismos. As proteases microbianas s\u00e3o produzidas principalmente por fungos e bact\u00e9rias e, em menor escala, por leveduras e actinomicetos.<\/p>\n<p>Enzimas que catalisam a hidr\u00f3lise de prote\u00ednas. H\u00e1 muitos tipos, sendo os mais importantes a pepsina, a tripsina, a histona, a papa\u00edna e a protease do Bacillus subtilis. A protease no papel do substrato da rea\u00e7\u00e3o tem uma seletividade rigorosa, uma protease s\u00f3 pode atuar em uma determinada liga\u00e7\u00e3o pept\u00eddica na mol\u00e9cula de prote\u00edna, como a hidr\u00f3lise catalisada pela tripsina de amino\u00e1cidos alcalinos formados pela liga\u00e7\u00e3o pept\u00eddica. A protease \u00e9 amplamente distribu\u00edda, principalmente no trato digestivo de humanos e animais, e abundante em plantas e microrganismos. Devido aos recursos limitados de plantas e animais, a produ\u00e7\u00e3o industrial de prepara\u00e7\u00f5es de protease \u00e9 preparada principalmente por fermenta\u00e7\u00e3o usando microorganismos como Bacillus subtilis e Aspergillus pernicius.<\/p>\n<p>Papel da tripsina<br \/>\nA tripsina atua hidrolisando as prote\u00ednas entre as c\u00e9lulas, dissociando-as. Diferentes tecidos ou c\u00e9lulas respondem de forma diferente \u00e0 a\u00e7\u00e3o da tripsina. A atividade da tripsina na dispers\u00e3o das c\u00e9lulas tamb\u00e9m est\u00e1 relacionada \u00e0 sua concentra\u00e7\u00e3o, temperatura e tempo de a\u00e7\u00e3o. A solu\u00e7\u00e3o de tripsina tem a maior capacidade de a\u00e7\u00e3o quando o pH \u00e9 8,0 e a temperatura \u00e9 37\u00b0C. Ao usar a tripsina, a concentra\u00e7\u00e3o, a temperatura e o tempo devem ser bem controlados para evitar digest\u00e3o excessiva e danos \u00e0s c\u00e9lulas. Como o Ca2+, o Mg2+ e o soro e a prote\u00edna podem reduzir a atividade da enzima pancre\u00e1tica, a prepara\u00e7\u00e3o da solu\u00e7\u00e3o de enzima pancre\u00e1tica deve ser usada sem Ca2+, Mg2+ BSS, como, por exemplo, o l\u00edquido D-Hanks: L\u00edquido D-Hanks. Ao terminar a digest\u00e3o, a a\u00e7\u00e3o da tripsina nas c\u00e9lulas pode ser interrompida com solu\u00e7\u00e3o de cultura de soro ou inibidor de tripsina.<\/p>\n<p>1. Pesagem da tripsina: de acordo com a concentra\u00e7\u00e3o da solu\u00e7\u00e3o de tripsina de 0,25%, use uma balan\u00e7a eletr\u00f4nica para pesar com precis\u00e3o o p\u00f3 dissolvido em um pequeno b\u00e9quer de \u00e1gua bidestilada (se a \u00e1gua bidestilada precisar ser ajustada para pH 7,2 ou mais) ou solu\u00e7\u00e3o PBS (D-hanks). Mexa bem e deixe durante a noite a 4 \u00b0C. 2.<\/p>\n<p>2. Esteriliza\u00e7\u00e3o por filtra\u00e7\u00e3o com seringa: A solu\u00e7\u00e3o de tripsina preparada deve ser esterilizada por filtra\u00e7\u00e3o com um filtro de seringa (membrana microporosa de 0,22 \u00b5m) em uma bancada ultralimpa. A solu\u00e7\u00e3o deve ser esterilizada por filtra\u00e7\u00e3o com um filtro de seringa (membrana de filtro microporoso de 0,22 m\u00edcron) em uma bancada ultralimpa.<\/p>\n<p>A tripsina catalisa a hidr\u00f3lise de liga\u00e7\u00f5es pept\u00eddicas espec\u00edficas em prote\u00ednas. O processo catal\u00edtico \u00e9 isento de energia e n\u00e3o inativa a enzima, nem muda de forma ou se hidrolisa. A liga\u00e7\u00e3o do substrato ao centro ativo da enzima \u00e9 revers\u00edvel, e essa liga\u00e7\u00e3o faz com que as liga\u00e7\u00f5es pept\u00eddicas espec\u00edficas das prote\u00ednas sejam ativadas por flex\u00e3o e deforma\u00e7\u00e3o, e mais suscet\u00edveis ao ataque de mol\u00e9culas de \u00e1gua, que formam os grupos amino e carboxila, respectivamente, e os quebram, produzindo um pept\u00eddeo ou amino\u00e1cido de mol\u00e9cula pequena. Diferentes proteases podem atuar em liga\u00e7\u00f5es de pept\u00eddeos que consistem em diferentes liga\u00e7\u00f5es de amino\u00e1cidos, de modo que a tripsina n\u00e3o atua em todas as liga\u00e7\u00f5es de pept\u00eddeos.<\/p>\n<p>&nbsp;<\/p>\n<p>Conte\u00fado de protease<br \/>\nA remo\u00e7\u00e3o de pelos e o amaciamento na ind\u00fastria do couro t\u00eam feito grande uso de proteases, o que economiza tempo e melhora a higiene do trabalho. A protease tamb\u00e9m pode ser usada para degomagem de seda, amaciamento de carne e clarifica\u00e7\u00e3o de vinho. Clinicamente usada para fins medicinais, como o tratamento de dispepsia com pepsina, tratamento de bronquite com protease \u00e1cida, tratamento de vasculite com protease escrupulosa, bem como o uso de protease pancre\u00e1tica, purifica\u00e7\u00e3o de protease de coagula\u00e7\u00e3o l\u00e1ctica pancre\u00e1tica de feridas s\u00e9pticas cir\u00fargicas purificadas e tratamento de ades\u00e3o da membrana plasm\u00e1tica da cavidade tor\u00e1cica. O detergente para roupas com adi\u00e7\u00e3o de enzimas \u00e9 um novo produto em detergentes, contendo protease alcalina, que pode remover manchas de sangue e manchas de prote\u00edna nas roupas, mas, ao us\u00e1-lo, tome cuidado para n\u00e3o entrar em contato com a pele, para n\u00e3o danificar as prote\u00ednas na superf\u00edcie da pele, o que pode causar erup\u00e7\u00f5es cut\u00e2neas, eczema e outros fen\u00f4menos al\u00e9rgicos.<\/p>\n<p>&nbsp;<\/p>\n<p>Enzimas que catalisam a hidr\u00f3lise de prote\u00ednas. Existem muitos tipos, sendo os mais importantes a pepsina, a tripsina, a histona, a papa\u00edna e a protease do Bacillus subtilis. A protease tem uma seletividade rigorosa para o substrato da rea\u00e7\u00e3o; uma protease s\u00f3 pode atuar em uma determinada liga\u00e7\u00e3o pept\u00eddica na mol\u00e9cula de prote\u00edna, como a tripsina, que catalisa a hidr\u00f3lise de liga\u00e7\u00f5es pept\u00eddicas formadas por amino\u00e1cidos alcalinos. As proteases s\u00e3o amplamente distribu\u00eddas, principalmente no trato digestivo de humanos e animais, e s\u00e3o abundantes em plantas e microrganismos. Devido aos recursos limitados de plantas e animais, a produ\u00e7\u00e3o industrial de prepara\u00e7\u00f5es de protease \u00e9 preparada principalmente por fermenta\u00e7\u00e3o usando microrganismos como Bacillus subtilis e Aspergillus oryzae.<\/p>\n<p>Amplamente utilizado<br \/>\nA protease \u00e9 uma das mais importantes enzimas industriais que catalisa a hidr\u00f3lise de prote\u00ednas e pept\u00eddeos e \u00e9 amplamente encontrada em \u00f3rg\u00e3os animais, caules e folhas de plantas, frutas e microrganismos. As proteases s\u00e3o amplamente utilizadas na produ\u00e7\u00e3o de queijo, amaciamento de carne e modifica\u00e7\u00e3o de prote\u00ednas vegetais. Al\u00e9m disso, a pepsina, o coalho pancre\u00e1tico, a carboxipeptidase e a aminopeptidase s\u00e3o proteases no trato digestivo humano, em cuja a\u00e7\u00e3o as prote\u00ednas ingeridas pelo corpo humano s\u00e3o hidrolisadas em pept\u00eddeos e amino\u00e1cidos de mol\u00e9culas pequenas.<\/p>\n<p>As proteases usadas atualmente no setor de panifica\u00e7\u00e3o s\u00e3o proteases de fungos, proteases bacterianas e proteases de plantas. A aplica\u00e7\u00e3o de proteases na produ\u00e7\u00e3o de p\u00e3o altera as propriedades do gl\u00faten de uma forma diferente da a\u00e7\u00e3o das for\u00e7as e da rea\u00e7\u00e3o qu\u00edmica dos agentes redutores na modifica\u00e7\u00e3o do p\u00e3o. Em vez de quebrar as liga\u00e7\u00f5es dissulfeto, a a\u00e7\u00e3o das proteases \u00e9 desconectar a estrutura de malha tridimensional que forma o gl\u00faten. A fun\u00e7\u00e3o das proteases na produ\u00e7\u00e3o de p\u00e3o se manifesta principalmente no processo de fermenta\u00e7\u00e3o da massa. Devido \u00e0 a\u00e7\u00e3o das proteases, as prote\u00ednas da farinha s\u00e3o degradadas em pept\u00eddeos e amino\u00e1cidos para fornecer fontes de carbono \u00e0 levedura e promover a fermenta\u00e7\u00e3o.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Um checklist pr\u00e1tico de sourcing para temas de enzimas, biotecnologia e ingredientes aliment\u00edcios<\/h2>\n<p>Em projetos de enzimas e processamento de alimentos, o referencial de decis\u00e3o mais \u00fatil geralmente \u00e9 a adequa\u00e7\u00e3o da aplica\u00e7\u00e3o mais a estabilidade do processo: qual ingrediente funciona sob as condi\u00e7\u00f5es pretendidas de pH, temperatura, tempo e substrato sem criar um problema de qualidade ou conformidade a jusante.<\/p>\n<ul>\n<li><strong>Defina primeiro o destino do processamento:<\/strong> sabor, hidr\u00f3lise, textura, fermenta\u00e7\u00e3o, limpeza e aplica\u00e7\u00f5es de bioprocessos frequentemente precisam de perfis de atividade muito diferentes.<\/li>\n<li><strong>Verifique a janela de opera\u00e7\u00e3o real:<\/strong> pH, temperatura, tempo de resid\u00eancia e tipo de substrato costumam ser mais importantes do que uma alega\u00e7\u00e3o de produto em destaque.<\/li>\n<li><strong>Revis\u00e3o de consist\u00eancia e impacto a jusante:<\/strong> dosagem, influ\u00eancia sensorial, filtra\u00e7\u00e3o e comportamento de prateleira podem afetar o valor comercial final.<\/li>\n<li><strong>Use valida\u00e7\u00e3o de piloto:<\/strong> Testes de produ\u00e7\u00e3o em pequena escala geralmente revelam as diferen\u00e7as mais \u00fateis em atividade, efici\u00eancia e adequa\u00e7\u00e3o do processo.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/lipase-cas-9001-62-1\/\">Longzyme Lipase<\/a>:<\/strong> Uma refer\u00eancia de produto direta para discuss\u00f5es sobre alimentos, limpeza ou bioprocessos relacionados a lipases.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/beta-amylase-cas-9000-91-3\/\">Longzyme Beta-Amilase<\/a>:<\/strong> Uma refer\u00eancia pr\u00e1tica de enzimas quando a convers\u00e3o de amido e a atividade de processamento de alimentos est\u00e3o em revis\u00e3o.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/compound-glucoamylase-cas-9032-08-0\/\">Longzyme Glucoamilase Composta<\/a>:<\/strong> Uma refer\u00eancia \u00fatil sobre enzimas quando o desempenho de sacarifica\u00e7\u00e3o ou processamento relacionado \u00e9 importante.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/yeast-extract-cas-8013-01-2\/\">Extrato de levedura<\/a>:<\/strong> Um ingrediente de refer\u00eancia pr\u00e1tico quando se trata de sabor, fermenta\u00e7\u00e3o ou aplica\u00e7\u00f5es de suporte de nutrientes.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que uma enzima de alta atividade n\u00e3o \u00e9 automaticamente a melhor escolha comercial?<\/strong><br \/>Porque a melhor enzima \u00e9 aquela que atua de forma confi\u00e1vel nas condi\u00e7\u00f5es reais do processo e proporciona o resultado desejado a jusante sem criar novos problemas.<\/p>\n<p><strong>Ingredientes aliment\u00edcios e biotecnol\u00f3gicos devem ser selecionados apenas a partir de fichas t\u00e9cnicas?<\/strong><br \/>Geralmente \u00e9 mais seguro associar a revis\u00e3o da especifica\u00e7\u00e3o com um teste piloto ou de aplica\u00e7\u00e3o, pois substratos reais e janelas de processo podem alterar bastante o resultado.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\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<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\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<table style=\"border-collapse: collapse; width: 326.27pt;\" border=\"0\" width=\"435\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 164.25pt;\" width=\"219\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/compound-glucoamylase-cas-9032-08-0\/\"><span style=\"color: #00ccff;\">Composto Glucoamilase<\/span><\/a><\/td>\n<td class=\"et2\" style=\"width: 162.00pt;\" width=\"216\">9032-08-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/pullulanase-cas-9075-68-7\/\"><span style=\"color: #00ccff;\">Pullulanase<\/span><\/a><\/td>\n<td class=\"et2\">9075-68-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/xylanase-cas-37278-89-0\/\"><span style=\"color: #00ccff;\">Xilanase<\/span><\/a><\/td>\n<td class=\"et2\">37278-89-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cellulase-cas-9012-54-8\/\"><span style=\"color: #00ccff;\">Celulase<\/span><\/a><\/td>\n<td class=\"et2\">9012-54-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/naringinase-cas-9068-31-9\/\"><span style=\"color: #00ccff;\">Naringinase<\/span><\/a><\/td>\n<td class=\"et2\">9068-31-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/beta-amylase-cas-9000-91-3\/\"><span style=\"color: #00ccff;\">\u03b2-Amilase<\/span><\/a><\/td>\n<td class=\"et2\">9000-91-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/glucose-oxidase-cas-9001-37-0\/\"><span style=\"color: #00ccff;\">Glucose oxidase<\/span><\/a><\/td>\n<td class=\"et2\">9001-37-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">alfa-Amilase<\/td>\n<td class=\"et2\">9000-90-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/longzyme-acid-pectinase-cas-9032-75-1\/\"><span style=\"color: #00ccff;\">Pectinase<\/span><\/a><\/td>\n<td class=\"et2\">9032-75-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Peroxidase<\/td>\n<td class=\"et2\">9003-99-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/lipase-cas-9001-62-1\/\"><span style=\"color: #00ccff;\">Lipase<\/span><\/a><\/td>\n<td class=\"et2\">9001-62-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/catalase-cas-9001-05-2\/\"><span style=\"color: #00ccff;\">Catalase<\/span><\/a><\/td>\n<td class=\"et4\">9001-05-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/tannase-cas-9025-71-2\/\"><span style=\"color: #00ccff;\">TANNASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-71-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/elastase-cas-39445-21-1\/\"><span style=\"color: #00ccff;\">Elastase<\/span><\/a><\/td>\n<td class=\"et2\">39445-21-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/urease-cas-9002-13-5\/\"><span style=\"color: #00ccff;\">Urease<\/span><\/a><\/td>\n<td class=\"et2\">9002-13-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/dextranase-cas-9025-70-1\/\"><span style=\"color: #00ccff;\">DEXTRANASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-70-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.5pt; text-align: left;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/l-lactic-dehydrogenase-cas-9001-60-9\/\"><span style=\"color: #00ccff;\">L-L\u00e1ctico desidrogenase<\/span><\/a><\/td>\n<td class=\"et2\">9001-60-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/dehydrogenase-malate-cas-9001-64-3\/\"><span style=\"color: #00ccff;\">Malato desidrogenase<\/span><\/a><\/td>\n<td class=\"et2\">9001-64-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/cholesterol-oxidase-cas-9028-76-6\/\"><span style=\"color: #00ccff;\">Colesterol oxidase<\/span><\/a><\/td>\n<td class=\"et2\">9028-76-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Protease is a general term for a class of enzymes that hydrolyze protein peptide chains. According to its degradation of peptides is divided into two categories: endopeptidase and telopeptidase. The<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-7319","post","type-post","status-publish","format-standard","hentry","category-enzyme-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What do you know about proteases? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Protease is a general term for a class of enzymes that hydrolyze protein peptide chains. 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