{"id":7315,"date":"2024-09-06T12:49:31","date_gmt":"2024-09-06T12:49:31","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7315"},"modified":"2026-04-28T10:42:35","modified_gmt":"2026-04-28T10:42:35","slug":"how-are-enzymes-produced-and-what-are-their-applications","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/how-are-enzymes-produced-and-what-are-their-applications\/","title":{"rendered":"Comment les enzymes sont-elles produites et quelles sont leurs applications ?"},"content":{"rendered":"<p>01Fermentation liquide<\/p>\n<p>&nbsp;<\/p>\n<p>\u00c0 l'heure actuelle, la technologie couramment utilis\u00e9e pour la production d'enzymes dans le pays et \u00e0 l'\u00e9tranger est la fermentation liquide, c'est-\u00e0-dire que le milieu liquide est st\u00e9rilis\u00e9, refroidi, puis accessible aux cellules productrices d'enzymes et ferment\u00e9 dans des conditions sp\u00e9cifiques.<\/p>\n<p>Les avantages de cette m\u00e9thode de production sont les suivants : une culture pure peut \u00eatre r\u00e9alis\u00e9e et les produits cibles sont plus clairs ; la surveillance en temps r\u00e9el et le contr\u00f4le automatique des param\u00e8tres du processus de fermentation (pH, temp\u00e9rature, oxyg\u00e8ne dissous, r\u00e9approvisionnement, etc.) peuvent garantir que le processus de fermentation se d\u00e9roule toujours dans des conditions optimales et que l'efficacit\u00e9 de la fermentation peut \u00eatre am\u00e9lior\u00e9e ; cette m\u00e9thode est propice \u00e0 une production \u00e0 grande \u00e9chelle, en usine et moderne. L'inconv\u00e9nient est qu'une grande quantit\u00e9 de polluants est g\u00e9n\u00e9r\u00e9e au cours du processus de production, ce qui augmente la charge \u00e9conomique des entreprises dans le traitement des polluants. Certaines entreprises et usines \u00e0 grande \u00e9chelle disposent de cuves de fermentation enzymatique d'une capacit\u00e9 de plusieurs dizaines, voire centaines de tonnes, et si le liquide de fermentation est contamin\u00e9, cela entra\u00eenera la contamination de l'ensemble de la cuve de fermentation, ce qui se traduira par d'\u00e9normes pertes \u00e9conomiques et un gaspillage de ressources.<\/p>\n<p>Par cons\u00e9quent, la fermentation liquide n\u00e9cessite une surveillance en temps r\u00e9el des param\u00e8tres du processus de fermentation et une optimisation par ajustement humain pour garantir l'efficacit\u00e9 et la qualit\u00e9 de la fermentation.<\/p>\n<p>&nbsp;<\/p>\n<p>02 Fermentation \u00e0 l'\u00e9tat solide<\/p>\n<p>&nbsp;<\/p>\n<p>La fermentation en milieu solide consiste \u00e0 utiliser du son, du son de riz et d'autres mati\u00e8res premi\u00e8res principales pour pr\u00e9parer le milieu de culture, st\u00e9rilis\u00e9 et connect\u00e9 aux bact\u00e9ries productrices d'enzymes, dans certaines conditions de fermentation.<\/p>\n<p>Cette m\u00e9thode de production permet d'\u00e9viter efficacement les inconv\u00e9nients de la m\u00e9thode de fermentation liquide et pr\u00e9sente les avantages suivants : faible consommation \u00e9conomique apr\u00e8s pollution, faible surface pollu\u00e9e par la fermentation, recyclage des d\u00e9chets apr\u00e8s fermentation (qui peuvent \u00eatre utilis\u00e9s comme engrais agricoles apr\u00e8s un simple traitement), facilit\u00e9 de manipulation, etc. La fermentation en milieu solide r\u00e9pond aux besoins d'\u00e9conomie d'\u00e9nergie et de protection de l'environnement.<\/p>\n<p>En utilisant la technologie des enzymes de fermentation en milieu solide pour fermenter la paille de c\u00e9r\u00e9ales, l'alcool combustible produit peut soulager la pression de la demande de p\u00e9trole et contribue \u00e0 la r\u00e9alisation de l'utilisation durable des ressources. Le processus de fermentation \u00e0 l'\u00e9tat solide n'est pas facile \u00e0 contr\u00f4ler et il est difficile d'obtenir une production stable, de sorte qu'il est actuellement incapable d'atteindre une production de masse industrialis\u00e9e et de r\u00e9pondre \u00e0 la demande du march\u00e9.<\/p>\n<p>Avec l'aide de l'Union europ\u00e9enne<\/p>\n<p>et des experts \u00e9trangers sur les m\u00e9thodes de production d'enzymes, les probl\u00e8mes de contr\u00f4le de la fermentation en milieu solide seront r\u00e9solus et son application sera de plus en plus r\u00e9pandue.<\/p>\n<p>&nbsp;<\/p>\n<p>Domaines d'application de la pr\u00e9paration d'enzymes<\/p>\n<p>&nbsp;<\/p>\n<p>Les pr\u00e9parations enzymatiques disponibles sur le march\u00e9 comprennent principalement la prot\u00e9ase, l'amylase, la cellulase, la pectinase, la phytase, etc. La plupart d'entre elles sont des pr\u00e9parations composites \u00e0 enzymes multiples, qui sont largement utilis\u00e9es dans les domaines de l'alimentation (par exemple, boulangerie, traitement en profondeur de la farine, etc.), de l'alimentation animale, des produits en cuir, de l'\u00e9nergie et de la m\u00e9decine.<\/p>\n<p>1\u3001Domaine de recherche de base<\/p>\n<p>Les enzymes existent dans la recherche sur les sciences de la vie. Par exemple, dans les exp\u00e9riences de fusion de cellules v\u00e9g\u00e9tales, l'utilisation de la cellulase ou de la pectinase pour \u00e9liminer la paroi cellulaire, \u00e9largit le champ de la recombinaison du mat\u00e9riel g\u00e9n\u00e9tique ; dans les exp\u00e9riences de g\u00e9nie g\u00e9n\u00e9tique, l'utilisation de l'ADN ligase, de l'acide endonucl\u00e9ique de restriction, de l'ADN polym\u00e9rase, de la phosphatase alcaline et de la modification de l'enzyme et d'autres cinq cat\u00e9gories d'enzymes outils, impliqu\u00e9es dans la r\u00e9alisation d'acides nucl\u00e9iques, l'analyse de s\u00e9quences, les sondes marqu\u00e9es, la construction de supports, la s\u00e9lection de g\u00e8nes cibles, etc, pour modifier les caract\u00e9ristiques g\u00e9n\u00e9tiques originales des organismes et obtenir de nouvelles vari\u00e9t\u00e9s.<\/p>\n<p>2\u3001Formation agricole<\/p>\n<p>La pr\u00e9paration d'enzymes alimentaires est une sorte d'additif alimentaire qui peut \u00e9liminer les facteurs antinutritionnels, am\u00e9liorer le taux de conversion des aliments, renforcer la capacit\u00e9 digestive et l'immunit\u00e9 des animaux, et promouvoir la croissance et le d\u00e9veloppement des animaux. Les enzymes alimentaires sont principalement utilis\u00e9es dans l'aviculture et l'aquaculture, par exemple : Li Weilin et al. ont ajout\u00e9 une enzyme compos\u00e9e dans l'alimentation des poulets pour d\u00e9grader le polysaccharide non amylac\u00e9 soluble (NSP), afin d'am\u00e9liorer la digestibilit\u00e9 de l'alimentation des poulets de chair, et m\u00eame si l'\u00e9nergie de l'aliment ajout\u00e9 \u00e0 l'enzyme a \u00e9t\u00e9 r\u00e9duite \u00e0 209 kJ \uff0f kg, la croissance des poulets de chair n'a pas \u00e9t\u00e9 affect\u00e9e.<\/p>\n<p>3\u3001Domaine alimentaire<\/p>\n<p>Les groupes de structures mol\u00e9culaires enzymatiques ont des propri\u00e9t\u00e9s rh\u00e9ologiques stables, qui peuvent donner lieu \u00e0 diff\u00e9rentes propri\u00e9t\u00e9s sensorielles et \u00e0 la fra\u00eecheur de diff\u00e9rents aliments, et jouent un r\u00f4le dans la conservation, la transformation et l'analyse des aliments, entre autres. Par exemple, Li Huo et al. ont utilis\u00e9 la pr\u00e9paration enzymatique d'acide phytique compos\u00e9 de lysozyme dans des p\u00eaches et ont constat\u00e9 qu'elle pouvait r\u00e9duire de mani\u00e8re significative le taux de respiration des p\u00eaches, maintenir la duret\u00e9 des fruits, inhiber la croissance de MDA et r\u00e9duire l'activit\u00e9 de l'enzyme PPO ; la m\u00e9thode est facile \u00e0 mettre en \u0153uvre, s\u00fbre et efficace et peut am\u00e9liorer efficacement la conservation des p\u00eaches ; les pr\u00e9parations enzymatiques ont \u00e9t\u00e9 utilis\u00e9es dans la production de sucre, la brasserie, la boulangerie, les fruits et l\u00e9gumes transform\u00e9s, les produits laitiers et les produits \u00e0 base de viande, et elles ont pour fonction d'am\u00e9liorer le rendement, d'\u00e9liminer les odeurs, etc. Les pr\u00e9parations enzymatiques sont utilis\u00e9es dans la production de sucre, la brasserie, la boulangerie, les fruits et l\u00e9gumes transform\u00e9s, les produits laitiers, les produits carn\u00e9s, et ont pour fonction d'am\u00e9liorer le rendement, d'\u00e9liminer les odeurs, etc. ; la PCR, les biocapteurs enzymatiques, l'ELSA et d'autres technologies d'ing\u00e9nierie enzymatique peuvent d\u00e9terminer de mani\u00e8re efficace, sensible et pr\u00e9cise les r\u00e9sidus de pesticides, de toxines et de micro-organismes dans les denr\u00e9es alimentaires, ce qui est largement utilis\u00e9 dans les tests alimentaires.<\/p>\n<p>4\u3001Domaine pharmaceutique<\/p>\n<p>La pr\u00e9paration enzymatique peut \u00eatre utilis\u00e9e dans le traitement, la pr\u00e9vention et le diagnostic de nombreuses maladies. Par exemple : La nattokinase a des effets pr\u00e9ventifs et th\u00e9rapeutiques sur la thrombose, l'hyperlipid\u00e9mie, la viscosit\u00e9 sanguine, l'ost\u00e9oporose, la fi\u00e8vre de r\u00e9glisse et le diab\u00e8te sucr\u00e9, qui ont maintenant \u00e9t\u00e9 r\u00e9alis\u00e9s et appliqu\u00e9s dans la production de masse ; le taux de gu\u00e9rison de la pr\u00e9paration composite de lysozyme pour l'endom\u00e9trite chez les vaches laiti\u00e8res est nettement plus \u00e9lev\u00e9 que celui des antibiotiques tels que l'oxyt\u00e9tracycline, l'enrofloxacine et la gentamycine, et il surmonte les d\u00e9fauts des antibiotiques qui sont susceptibles de produire une r\u00e9sistance aux m\u00e9dicaments et de contaminer le lait avec des r\u00e9sidus de m\u00e9dicaments, ce qui a apport\u00e9 des avantages \u00e9conomiques significatifs \u00e0 l'industrie de l'\u00e9levage du b\u00e9tail laitier. Elle apporte des avantages \u00e9conomiques significatifs \u00e0 l'industrie de l'\u00e9levage des vaches laiti\u00e8res.<\/p>\n<p>5\u3001Domaine des produits quotidiens<\/p>\n<p>L'application des enzymes dans la vie quotidienne est \u00e9galement tr\u00e8s large. Par exemple : l'ajout de prot\u00e9ase, de lipase, de cellulase et d'autres pr\u00e9parations enzymatiques dans les d\u00e9tergents peut r\u00e9duire les dommages caus\u00e9s par les d\u00e9tergents sur les v\u00eatements et am\u00e9liorer la capacit\u00e9 \u00e0 nettoyer la salet\u00e9 ; la m\u00e9talloprot\u00e9inase-superoxyde dismutase (SOD) dans les produits de soins de sant\u00e9 peut \u00e9liminer les radicaux libres et am\u00e9liorer la capacit\u00e9 antioxydante, et accro\u00eetre la capacit\u00e9 de r\u00e9sistance de l'organisme ; Dans l'industrie papeti\u00e8re, la SOD peut \u00eatre utilis\u00e9e pour pr\u00e9venir la lumi\u00e8re du soleil et lutter contre le vieillissement ; dans l'industrie papeti\u00e8re, la SOD peut \u00eatre utilis\u00e9e pour pr\u00e9venir la lumi\u00e8re du soleil et lutter contre le vieillissement et l'oxydation. Dans l'industrie du papier, la lipase est utilis\u00e9e pour \u00e9liminer la r\u00e9sine des grumes, la xylanase est utilis\u00e9e pour le blanchiment de la p\u00e2te, et l'ajout d'une certaine quantit\u00e9 de cellulase alcaline et d'h\u00e9micellulase au d\u00e9sencrage des d\u00e9chets de journaux recycl\u00e9s peut am\u00e9liorer la blancheur du papier.<\/p>\n<p>Conclusion<\/p>\n<p>Ces derni\u00e8res ann\u00e9es, la Chine a connu un d\u00e9veloppement rapide des pr\u00e9parations enzymatiques, qui ont \u00e9t\u00e9 largement utilis\u00e9es dans la recherche fondamentale, l'industrie alimentaire, l'industrie des d\u00e9tergents, la production d'aliments pour animaux et d'autres domaines. Toutefois, \u00e0 l'heure actuelle, il existe encore un certain \u00e9cart entre le d\u00e9veloppement des pr\u00e9parations enzymatiques en Chine et dans les pays \u00e9trangers. Ainsi, les pr\u00e9parations enzymatiques alimentaires sont couramment utilis\u00e9es dans la production alimentaire de certains pays d\u00e9velopp\u00e9s \u00e0 l'\u00e9tranger, alors que leur application nationale est moindre et leur effet est g\u00e9n\u00e9ral ; la plupart des pr\u00e9parations enzymatiques alimentaires utilis\u00e9es sur le march\u00e9 chinois sont extraites et purifi\u00e9es par salage ou s\u00e9chage par pulv\u00e9risation, ce qui est difficile pour r\u00e9pondre aux exigences et normes sanitaires pertinentes.<\/p>\n<p>L'insuffisance de la recherche sur les enzymes signifie que l'industrie chinoise des enzymes a un \u00e9norme potentiel de d\u00e9veloppement. \u00c0 l'avenir, nous devrions redoubler d'efforts dans la recherche sur les enzymes, d\u00e9velopper de nouvelles m\u00e9thodes et de nouveaux produits dans les domaines de la recherche et du d\u00e9veloppement, de la production et de l'application, et \u00e9tudier les produits enzymatiques de haute qualit\u00e9 adapt\u00e9s \u00e0 la production industrielle, de mani\u00e8re \u00e0 promouvoir le d\u00e9veloppement de l'industrie chinoise des enzymes.<\/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\/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\/fr\/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\/fr\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/light-stabilizer-770-tinuvin-770-cas-52829-07-9\/\">CHLUMILS UV-770<\/a>:<\/strong> A familiar HALS benchmark when weatherability and appearance retention are under review.<\/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<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<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; 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