Duk abin game da enzyme pepsin

Wannan labarin ya mayar da hankali a kan makawa enzymes da suke ba a cikin ciki na kowane dabba mai shayarwa, ciki har da mutane. wani bayyani na enzyme pepsin, bayanai game da isomers, za a tattauna da kuma rawar da jamiái a cikin matakai na narkewa.

Janar views

Don fara, bari mu ga abin da aji na enzymes hada pepsin. Wannan zai ba da damar da zurfi fahimtar da topic kanta.

A enzyme pepsin proteolytic da dangantaka da wani aji na hydrolases samar da ciki mucosa, kuma ta babban aiki ne tsagawa sunadaran canjawa wuri tare da abinci, to peptides. Pepsin - enzyme cewa cleaves sunadarai a wani acidic muhalli. An samar da kwayoyin da dabbobi masu shayarwa da dabbobi masu rarrafe, da wakilai na aji na tsuntsaye da yawa kifi.

Gabatar enzyme nasa ne da sunadarai na globular type, yana da wani kwayoyin nauyi na game da 34500. kwayoyin kanta wakilta a matsayin mai polypeptide sarkar kunshi mutum ɗari uku da arba'in da amino acid. A abun da ke ciki ma ya ƙunshi HPO3 da uku disulfide dangane hali.

Pepsin ne yadu amfani a cikin likita hali da kuma cheesemaking. A dakunan gwaje-gwaje da shi da ake amfani da wani karin cikakken nazari na gina jiki mahadi, wato, da farko gina jiki tsari. Pepsin ne halitta mai hanawa - pepstatin.

A iri-iri na enzyme

Pepsin yana da goma sha biyu isoforms. Bambance-bambance tsakanin dukkan isomers ne kamar yadda pepsin electrophoretic motor damar iya yin komai inaktivatsionnyh yanayi, da proteolytic aiki. Ganowa pepsin - CF 3. 4. 23. 1.

Wannan mutumin a cikin ciki ruwan ya ƙunshi bakwai iri pepsin, kuma biyar daga cikinsu suna sharply raba da dama karfin:

1. A gaskiya pepsin (A) yana da wani matsakaicin aiki a cikin matsakaici PH 1.9, da kuma tare da karuwa har zuwa 6 inactivated.
2. Pepsin 2 (B) shi ne aiki a matsayin yiwu a wani matsakaici na PH = 2.1.
3. Type 3 da aka nuna cikin mafi girma mataki na aiki a wata PH = 2.4-2.8.
4. Type 5, kuma aka sani da gastriksin yana da mafi girma mataki na aiki a wata PH = 2.8-3.4.
5. Type 7 a PH = 3.3-3.9 Manuniya na da mafi aiki.

Ma'ana enzyme narkewa

Pepsin aka saki a cikin ciki gland na deactivated form (pepsinogen), amma aikin kanta enzyme activates hydrochloric acid. A karkashin tasirin da take da, shi da ke shiga wani aiki wanda ake iya yi form. A bukata kafun ga ayyuka na enzyme pepsin ne gaban wani acidic yanayi, wanda shi ne dalilin da ya sa gwamnatin rikon kwarya a pepsin a duodenum shi hasarar da aiki, kamar yadda a cikin hanji alkaline yanayi. Pepsin enzyme bautarka muhimmiyar rawa a cikin narkewa daga cikin dukan ajin na dabbobi masu shayarwa, da kuma musamman mutane. Wannan abu decomposes abinci da sunadarai a cikin karami peptide, sarƙoƙi da amino acid.

Maza da mata sarrafa wannan enzyme Manuniya sãɓawa jũna. A maza, domin a kusa da ashirin zuwa talatin grams na pepsin a kowace awa, yayin da wata mace - ashirin zuwa talatin bisa dari kasa. A farko Kwayoyin, ƙarni na pepsin sarari, shi ne ware a cikin nau'i na karya pepsinogen. Bayan tsakiyan nonon na peptides tare da wani adadin na N-karshen pepsinogen ke shiga wani aiki form. Mai kara kuzari a dauki na sinadaran halayen abubuwa hydrochloric acid. Pepsin peptidase da protease mallaka Properties kuma shi ne alhakin gina jiki disaggregation.

Medical kasuwanci

A magani pepsin shi ne yadu amfani a matsayin medicament a wasu cututtuka hade da wani rashin samar da wannan enzyme a wani haƙuri ta ciki. Cire rennet enzyme pepsin daga porcine ciki mucous membranes. A miyagun ƙwayoyi ne samuwa a cikin nau'i na Allunan, blisters bazu zuwa wani admixture acidin ko powders. Pepsin ne memba na da wasu hada kwayoyi. Yana ATC code A09AA03. Misalan Pathology a wadda pepsinosoderzhaschie wajabta magani ne Menetrier ta cutar.

Naman sa pepsin - a ...

Rennet enzyme pepsin nama - daya daga cikin sanannun da kuma mafi yawan amfani da misalan wannan abu. Kanta wani enzyme samar a karo na hudu ciki da maraƙi. Da miyagun ƙwayoyi amfani a samar, an kafa ta biyu enzymes: pepsin da chymosin halitta gwargwado yawa. Rennet amfani da cuku samar, da kuma ta babban aiki - madara gudan jini samuwar kuma sa hannu a kan aiwatar da maturation cuku da kuma cuku kayayyakin.

Naman sa pepsin aka saki daga ciki na shanu da kuma sarrafa kayayyakin for sale, shi ya wuce ta tsakanin matakai biyu na tsarkakewa daga cikin enzyme daga kitsen da impurities wanda suke insoluble. A tsari na yin Bovine pepsin wuce dama, saukarwa: hakar tsari, salting-fito da kuma sublimation bushewa.

wasu aikace-aikace

A enzyme pepsin da aka kara wa ferment. Har ila yau, shi ne a yi amfani da cuku samar. Rennet pepsin guda biyu tare da chymosin samar da wannan enzyme amfani da su durkushe da madara.

Nadawa aiwatar madara gina jiki coagulation kira shi, wato casein samar da wata gel a kan madara akai. Casein yana da wani takamaiman jihar tsarin, da kuma daya kawai peptide bond ne ke da alhakin enzymatic irin clotting gina jiki. Complex da pepsin da chymosin kanta ne alhakin hutu na dangane da kanta da take kaiwa zuwa coagulation na madara.

ƙarshe

Rungumar, zamu iya cewa wannan aiki sashi ne daya daga cikin mafi muhimmanci enzymes da hannu a cikin narkewa abinci a ciki na wakilan yawa azuzuwan na halittu masu rai. A samar da magani da kuma abu ne yafi amfani a matsayin magani, da kuma aka kara wa rennet domin samar da madara da kuma cuku kayayyakin.