{"id":7310,"date":"2024-09-04T12:54:42","date_gmt":"2024-09-04T12:54:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7310"},"modified":"2026-04-28T10:42:34","modified_gmt":"2026-04-28T10:42:34","slug":"application-of-enzyme-engineering-technology-in-biopharmaceuticals","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/application-of-enzyme-engineering-technology-in-biopharmaceuticals\/","title":{"rendered":"Application de la technologie de l'ing\u00e9nierie enzymatique aux produits biopharmaceutiques"},"content":{"rendered":"<h1><strong>Application de la technologie de l'ing\u00e9nierie enzymatique aux produits biopharmaceutiques<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> For enzyme, yeast, chitosan, and food-ingredient topics, buyers usually compare activity or functionality together with stability, application conditions, and downstream quality impact.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>L'ing\u00e9nierie enzymatique est une science qui utilise des enzymes, des organites ou des cellules contenant des enzymes (micro-organismes, animaux, plantes) dans certains dispositifs de r\u00e9action, utilise la fonction biocatalytique des enzymes, transforme les mati\u00e8res premi\u00e8res correspondantes en substances utiles \u00e0 l'aide de moyens d'ing\u00e9nierie et les utilise dans la vie sociale. Elle comprend la pr\u00e9paration de l'enzyme, le durcissement de l'enzyme, la modification et la transformation de l'enzyme et le r\u00e9acteur enzymatique. Son application est principalement concentr\u00e9e dans l'industrie pharmaceutique, l'industrie alimentaire et l'industrie l\u00e9g\u00e8re.<\/p>\n<p>1. Technologie d'immobilisation des enzymes et ses applications<br \/>\nEn incorporant l'enzyme dans le gel, les microcapsules, ou par des liaisons covalentes, des liaisons ioniques, l'adsorption li\u00e9e au support en phase solide, ou par l'agent de r\u00e9ticulation pour faire en sorte que les mol\u00e9cules d'enzyme se r\u00e9ticulent les unes les autres et d'autres m\u00e9thodes pour rendre l'enzyme insoluble et confin\u00e9e dans un espace limit\u00e9 du processus technique. Cette technique permet d'utiliser l'enzyme de mani\u00e8re r\u00e9p\u00e9t\u00e9e dans les r\u00e9actions par lots, de mani\u00e8re continue dans les r\u00e9actions s\u00e9quentielles ou de s\u00e9parer facilement l'enzyme du produit. Les m\u00e9thodes d'immobilisation comprennent des m\u00e9thodes de base telles que l'adsorption, la liaison covalente, l'encastrement, la microencapsulation et la r\u00e9ticulation, ainsi que de nouvelles techniques d'immobilisation telles que les cristaux d'enzymes r\u00e9ticul\u00e9s, les agr\u00e9gats d'enzymes r\u00e9ticul\u00e9s, l'encastrement dans une matrice de silice et l'encastrement dans des lipides [1]. La m\u00e9thode d'incorporation est plus couramment utilis\u00e9e dans le domaine pharmaceutique, suivie par la m\u00e9thode d'adsorption. Diverses enzymes immobilis\u00e9es ont \u00e9t\u00e9 utilis\u00e9es pour la production industrielle \u00e0 grande \u00e9chelle, telles que l'aminoacylase, l'acylase de la p\u00e9nicilline, l'aspartoacylase, l'aspartate-\u03b2-d\u00e9carboxylase.<\/p>\n<p>2. modification chimique des enzymes<br \/>\nLa modification chimique de l'enzyme fait r\u00e9f\u00e9rence \u00e0 la cha\u00eene principale de la mol\u00e9cule de prot\u00e9ine de l'enzyme par \"coupe\", \"cisaillement\" et sa modification chimique.<\/p>\n<p>&nbsp;<\/p>\n<p>La modification chimique fait r\u00e9f\u00e9rence au processus de \"coupe\" et de \"cisaillement\" de la cha\u00eene principale de la mol\u00e9cule de prot\u00e9ine enzymatique et \u00e0 sa modification chimique, qui est un processus technique consistant \u00e0 combiner certaines substances ou groupes chimiques \u00e0 la mol\u00e9cule d'enzyme par des moyens chimiques afin de modifier les propri\u00e9t\u00e9s catalytiques et les fonctions de l'enzyme. La modification chimique de l'enzyme permet d'am\u00e9liorer l'activit\u00e9 de l'enzyme, d'augmenter la stabilit\u00e9 de l'enzyme, d'\u00e9liminer ou de r\u00e9duire l'antig\u00e9nicit\u00e9 de l'enzyme, etc.<\/p>\n<p>&nbsp;<\/p>\n<p>3. Catalyse d'enzymes en phase non aqueuse et \u00e9volution directionnelle des enzymes<\/p>\n<p>Le processus technique de r\u00e9action catalytique enzymatique en milieu non aqueux (solvant organique, gaz, fluide supercritique, liquide ionique, etc.) est appel\u00e9 catalyse enzymatique en phase non aqueuse [5]. La catalyse enzymatique en milieu non aqueux pr\u00e9sente les caract\u00e9ristiques remarquables d'augmenter la solubilit\u00e9 des substrats ou des produits non polaires, d'effectuer des r\u00e9actions synth\u00e9tiques qui ne peuvent \u00eatre r\u00e9alis\u00e9es en solution aqueuse, de r\u00e9duire l'inhibition en retour des produits sur l'enzyme et d'am\u00e9liorer la s\u00e9lectivit\u00e9 du substrat, la s\u00e9lectivit\u00e9 du groupe, la r\u00e9gios\u00e9lectivit\u00e9 et l'\u00e9nantios\u00e9lectivit\u00e9 des r\u00e9actions asym\u00e9triques des compos\u00e9s chiraux. L'\u00e9volution dirig\u00e9e de la technologie enzymatique [5] est une simulation du processus \u00e9volutif naturel (mutation al\u00e9atoire naturelle et s\u00e9lection naturelle, etc.), de la mutation al\u00e9atoire artificielle des g\u00e8nes in vitro, de l'\u00e9tablissement de biblioth\u00e8ques de g\u00e8nes mutants, \u00e0 travers l'environnement sp\u00e9cial de conditions artificiellement contr\u00f4l\u00e9es, de la s\u00e9lection dirig\u00e9e pour obtenir l'enzyme avec d'excellentes propri\u00e9t\u00e9s catalytiques du processus technologique mutant.<\/p>\n<p>&nbsp;<\/p>\n<p>4. Production et application de la pr\u00e9paration enzymatique<\/p>\n<p>4.1 Production d'enzymes<\/p>\n<p>4.1.1 Nucl\u00e9ase et enzyme anticorps<\/p>\n<p>L'enzyme de l'acide ribonucl\u00e9ique est une classe d'acide ribonucl\u00e9ique (ARN) compos\u00e9e d'enzymes, avec un haut degr\u00e9 de sp\u00e9cificit\u00e9 de s\u00e9quence d'acide nucl\u00e9ique de l'ARN \u00e0 l'ARN.<\/p>\n<p>et a une grande valeur d'application. Tant que vous connaissez la s\u00e9quence nucl\u00e9otidique d'une certaine enzyme d'acide nucl\u00e9ique, vous pouvez concevoir et synth\u00e9tiser la composition d'acide nucl\u00e9ique qui catalyse son autoclivage et sa rupture, et sur la base de la s\u00e9quence compl\u00e8te de ces g\u00e9nomes, vous pouvez concevoir et synth\u00e9tiser la pr\u00e9vention et le traitement des maladies virales humaines, animales et v\u00e9g\u00e9tales caus\u00e9es par ces virus, comme la capacit\u00e9 de combattre la grippe, l'h\u00e9patite, le SIDA et la maladie de la mosa\u00efque du tabac. Les nucl\u00e9ases peuvent \u00e9galement \u00eatre utilis\u00e9es comme outils pour \u00e9tudier la cartographie des acides nucl\u00e9iques et l'expression des g\u00e8nes [4]. Les enzymes d'anticorps, \u00e9galement connues sous le nom d'anticorps catalytiques, sont une classe de mol\u00e9cules d'anticorps dot\u00e9es de fonctions biocatalytiques qui peuvent \u00eatre obtenues par des m\u00e9thodes d'induction et de modification. Les anticorps enzymatiques ont \u00e9t\u00e9 utilis\u00e9s dans l'\u00e9tude du m\u00e9canisme d'action des enzymes, la synth\u00e8se et le d\u00e9sassemblage de m\u00e9dicaments chiraux, la pr\u00e9paration de m\u00e9dicaments anticanc\u00e9reux, etc.<\/p>\n<p>4.1.2 M\u00e9dicaments marqu\u00e9s par des enzymes<\/p>\n<p>R\u00e9cemment, il est devenu possible de concevoir des m\u00e9dicaments sur la base de leurs cibles d'action possibles dans l'organisme (par exemple, des enzymes ou des r\u00e9cepteurs), et les m\u00e9dicaments qui en r\u00e9sultent sont appel\u00e9s m\u00e9dicaments marqu\u00e9s par des enzymes. Cette approche de conception est d\u00e9sormais connue comme le courant principal de la conception de m\u00e9dicaments et joue un r\u00f4le important dans la conception de nouveaux m\u00e9dicaments. Les inhibiteurs de l'enzyme de conversion du peptide angiotensine (ECA) sont un exemple r\u00e9ussi de m\u00e9dicaments marqu\u00e9s par une enzyme, et les inhibiteurs de l'ECA sont devenus des m\u00e9dicaments antihypertenseurs importants et couramment utilis\u00e9s. Des \u00e9tudes r\u00e9centes ont montr\u00e9 que l'infection et la transmission du VIH sont principalement caus\u00e9es par les prot\u00e9ases pr\u00e9sentes \u00e0 la surface des particules de VIH. Par cons\u00e9quent, l'\u00e9tude de la prot\u00e9ase du VIH est devenue un point chaud, et l'on esp\u00e8re que l'\u00e9tude des inhibiteurs de la prot\u00e9ase du VIH conduira \u00e0 la recherche de moyens de pr\u00e9venir l'infection par le VIH et de traiter le SIDA.<\/p>\n<p>4.2 Application de la technologie de l'ing\u00e9nierie enzymatique au processus pharmaceutique<\/p>\n<p>La technologie du g\u00e9nie enzymatique dans la production de petits investissements, la simplicit\u00e9 du processus, la faible consommation d'\u00e9nergie, le rendement \u00e9lev\u00e9 du produit, l'efficacit\u00e9 \u00e9lev\u00e9e, l'efficacit\u00e9 \u00e9lev\u00e9e et la faible pollution et d'autres avantages, est devenue la force principale dans l'application des industries chimiques et pharmaceutiques. Dans le pass\u00e9, la synth\u00e8se chimique, la fermentation microbienne, l'extraction de mat\u00e9riaux biologiques et d'autres technologies traditionnelles pour produire des m\u00e9dicaments, peuvent \u00eatre produites par l'ing\u00e9nierie enzymatique moderne. Il est m\u00eame possible d'obtenir des m\u00e9dicaments co\u00fbteux impossibles \u00e0 obtenir par la technologie traditionnelle, tels que l'insuline humaine, le 6-APA et le 7-ADCA. Les bact\u00e9ries immobilis\u00e9es g\u00e9n\u00e9tiquement modifi\u00e9es, les cellules modifi\u00e9es et la combinaison intelligente de la technologie d'immobilisation et du bior\u00e9acteur continu entra\u00eeneront des changements fondamentaux dans l'ensemble de l'industrie de la fermentation et de l'industrie de la synth\u00e8se chimique.<\/p>\n<p>4.2.1 Application de l'ing\u00e9nierie enzymatique \u00e0 la pr\u00e9paration de m\u00e9tabolites biologiques<\/p>\n<p>L'application de cellules immobilis\u00e9es peut produire une vari\u00e9t\u00e9 de m\u00e9tabolites primaires ou d'interm\u00e9diaires en grandes quantit\u00e9s, tels que le sucre, les acides organiques et les acides amin\u00e9s. Les produits sont le D-fructose, le glyc\u00e9rol, le 1,6-diphosphate de fructose, l'acide citrique, l'acide malique, l'alanine, l'acide aspartique, la ph\u00e9nylalanine, le tryptophane, la lysine, etc.<\/p>\n<p>4.2.2 Application de l'ing\u00e9nierie enzymatique \u00e0 la production d'antibiotiques et de vitamines<\/p>\n<p>L'application de l'ing\u00e9nierie enzymatique permet de pr\u00e9parer la c\u00e9phalosporine \u2163 (c\u00e9phalosporine acylase), la 7-ADCA (p\u00e9nicilline V acylase), la c\u00e9phalosporine d\u00e9sac\u00e9tyl\u00e9e (c\u00e9phalosporine ac\u00e9tate lyase). Ces derni\u00e8res ann\u00e9es, la production immobilis\u00e9e de Penicillium flavum (syst\u00e8me de p\u00e9nicilline synth\u00e9tase), la production cellulaire de p\u00e9nicilline, la synth\u00e8se des pr\u00e9curseurs de p\u00e9nicilline et de c\u00e9phalosporine du dernier processus sont \u00e9galement utilis\u00e9es dans l'ing\u00e9nierie enzymatique.<\/p>\n<p>4.2.3 Application de l'ing\u00e9nierie enzymatique \u00e0 la production d'acides amin\u00e9s et d'acides organiques<\/p>\n<p>Production d'acides amin\u00e9s DL (amino acylase), de L-lysine (d\u00e9shydroxylase de l'acide diaminoheptano\u00efque ou \u03b1-amino-\u03b5-caprolactam hydrolase et enzyme de rac\u00e9misation), d'acide anhydride urique (enzyme d'aminolyse de la L-histidine), de L-tyrosine et de L-dopa (\u03b2-tyrosinase) et d'autres acides organiques.<\/p>\n<p>4.2.4 Application de l'ing\u00e9nierie enzymatique \u00e0 la production de m\u00e9dicaments \u00e0 base de nucl\u00e9otides<\/p>\n<p>Les nucl\u00e9otides ad\u00e9niques (AMP) sont extraits de l'acide nucl\u00e9ique de Pseudomonas aeruginosa, producteur de prot\u00e9ines, \u00e0 l'aide d'eau chaude, puis hydrolys\u00e9s par la nucl\u00e9ase. Les d\u00e9soxyribonucl\u00e9otides sont produits par extraction de l'acide d\u00e9soxyribonucl\u00e9ique (ARN) du blanc de poisson, suivie d'une hydrolyse enzymatique par la 5\u2032-phosphodiest\u00e9rase. Les plantes et animaux existants riches en acide nucl\u00e9ique (pollen, etc.) extraient l'acide ribonucl\u00e9ique (ARN), puis l'enzyme 5\u2032-phosphodiest\u00e9rase le dig\u00e8re en phosphoryl glycoside (AMP), phosphoryl cytidine (CMP), phosphoryl uridine (UMP) et phosphoryl uridine (GMP) pour produire un m\u00e9lange de nucl\u00e9otides. L'acide inosinique est produit par l'acyloside d\u00e9saminase. L'ATP et l'AMP sont produits respectivement par la carbamoylphosphate kinase, la kinase et l'ac\u00e9tate kinase.<\/p>\n<p>5.Perspectives de la technologie de l'ing\u00e9nierie enzymatique pour les produits pharmaceutiques<\/p>\n<p>En tant qu'\u00e9l\u00e9ment important de la bio-ing\u00e9nierie, l'ing\u00e9nierie enzymatique a \u00e9t\u00e9 reconnue dans le monde entier pour son r\u00f4le important et ses r\u00e9sultats de recherche significatifs. L'objectif principal de la recherche sur l'application de l'ing\u00e9nierie enzymatique est d'exploiter pleinement la fonction catalytique de l'enzyme, d'\u00e9largir le champ d'application de l'enzyme et d'am\u00e9liorer l'efficacit\u00e9 de l'application de l'enzyme. Le th\u00e8me du d\u00e9veloppement de l'ing\u00e9nierie enzymatique au 21e si\u00e8cle est : la recherche et le d\u00e9veloppement de nouvelles enzymes, la production optimale d'enzymes et l'application efficace des enzymes. Outre les technologies couramment utilis\u00e9es, nous devrions \u00e9galement tirer parti des derni\u00e8res connaissances en mati\u00e8re de g\u00e9n\u00e9tique et de prot\u00e9omique, de r\u00e9arrangement de l'ADN et de technologie cellulaire, d'affichage de surface de phage pour la recherche et le d\u00e9veloppement de nouvelles enzymes, les nouvelles enzymes les plus impressionnantes \u00e9tant les enzymes d'acide nucl\u00e9ique, les enzymes d'anticorps, la t\u00e9lom\u00e9rase, etc. L'immobilisation, la modification mol\u00e9culaire et la catalyse en phase non aqueuse doivent \u00eatre utilis\u00e9es pour r\u00e9aliser l'application efficace des enzymes, et la technologie de durcissement doit \u00eatre largement appliqu\u00e9e aux biopuces, aux biocapteurs, aux bior\u00e9acteurs, aux diagnostics cliniques, \u00e0 la conception de m\u00e9dicaments, \u00e0 la chromatographie d'affinit\u00e9 ainsi qu'\u00e0 l'\u00e9tude de la structure et de la fonction des prot\u00e9ines, afin de permettre \u00e0 la technologie des enzymes de jouer un r\u00f4le plus important dans le domaine des produits pharmaceutiques.<\/p>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate enzyme and food-processing ingredients<\/h2>\n<p>In enzyme and food-processing projects, the most useful decision frame is usually application fit plus process stability: which ingredient performs under the intended pH, temperature, time, and substrate conditions without creating a downstream quality or compliance problem.<\/p>\n<ul>\n<li><strong>Define the processing target first:<\/strong> flavor, hydrolysis, texture, fermentation, cleaning, and bioprocess applications often need very different activity profiles.<\/li>\n<li><strong>Check the real operating window:<\/strong> pH, temperature, residence time, and substrate type often matter more than a headline product claim.<\/li>\n<li><strong>Review consistency and downstream impact:<\/strong> dosage, sensory influence, filtration, and shelf-life behavior can all affect the final commercial value.<\/li>\n<li><strong>Use pilot validation:<\/strong> small production tests usually reveal the most useful differences in activity, efficiency, and process fit.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/lipase-cas-9001-62-1\/\">Longzyme Lipase<\/a>:<\/strong> A direct product reference for lipase-related food, cleaning, or bioprocess discussions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/beta-amylase-cas-9000-91-3\/\">Longzyme Beta-Amylase<\/a>:<\/strong> A practical enzyme reference when starch conversion and food-processing activity are under review.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/compound-glucoamylase-cas-9032-08-0\/\">Longzyme Compound Glucoamylase<\/a>:<\/strong> A useful enzyme reference when saccharification or related processing performance matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/yeast-extract-cas-8013-01-2\/\">Extrait de levure<\/a>:<\/strong> A practical ingredient reference when flavor, fermentation, or nutrient-support applications are involved.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why is a high-activity enzyme not automatically the best commercial choice?<\/strong><br \/>Because the best enzyme is the one that performs reliably under the actual process conditions and gives the desired downstream result without creating new issues.<\/p>\n<p><strong>Should food and biotech ingredients be selected from data sheets alone?<\/strong><br \/>It is usually safer to pair the specification review with a pilot or application test because real substrates and process windows can change the result a lot.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de Price, veuillez indiquer vos coordonn\u00e9es dans le formulaire ci-dessous. Nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/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\/fr\/product\/compound-glucoamylase-cas-9032-08-0\/\"><span style=\"color: #00ccff;\">Compos\u00e9 Glucoamylase<\/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\/fr\/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\/fr\/product\/xylanase-cas-37278-89-0\/\"><span style=\"color: #00ccff;\">Xylanase<\/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\/fr\/product\/cellulase-cas-9012-54-8\/\"><span style=\"color: #00ccff;\">Cellulase<\/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\/fr\/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\/fr\/product\/beta-amylase-cas-9000-91-3\/\"><span style=\"color: #00ccff;\">\u03b2-Amylase<\/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\/fr\/product\/glucose-oxidase-cas-9001-37-0\/\"><span style=\"color: #00ccff;\">Glucose oxydase<\/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\">alpha-amylase<\/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\/fr\/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\">Peroxydase<\/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\/fr\/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\/fr\/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\/fr\/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\/fr\/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\/fr\/product\/urease-cas-9002-13-5\/\"><span style=\"color: #00ccff;\">Ur\u00e9ase<\/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\/fr\/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\/fr\/product\/l-lactic-dehydrogenase-cas-9001-60-9\/\"><span style=\"color: #00ccff;\">L-Lactique d\u00e9shydrog\u00e9nase<\/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\/fr\/product\/dehydrogenase-malate-cas-9001-64-3\/\"><span style=\"color: #00ccff;\">D\u00e9shydrog\u00e9nase malate<\/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\/fr\/product\/cholesterol-oxidase-cas-9028-76-6\/\"><span style=\"color: #00ccff;\">Cholest\u00e9rol oxydase<\/span><\/a><\/td>\n<td class=\"et2\">9028-76-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Enzyme engineering is a science that uses enzymes, 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