Bromelain yog dab tsi
Bromelain, yog ib qho ntshiab ntuj cog protease npaj los ntawm biotechnology los ntawm daim tawv nqaij, qia thiab core ntawm pineapple txiv hmab txiv ntoo. Nws yog lub teeb daj amorphous hmoov nrog me ntsis tsw. Nws qhov hnyav molecular yog 33000 thiab nws qhov taw tes isoelectric yog 9.55. Nws belongs rau sparse protease. Nws lub chaw ua haujlwm yog sparse (- SH), uas tuaj yeem ua ntau yam tshuaj lom neeg xws li protein hydrolysis. Bromelain yog lub ntuj tsim, tsis yog - tshuaj lom thiab tsis muaj mob, huv thiab nyab xeeb protease, uas tuaj yeem siv rau kev nthuav dav npias, tshuaj digestion, tiv thaiv - mob thiab detumescence, thiab lwm yam.
Bromelain yog ib qho enzyme uas tsim los ntawm ntau yam enzymes nrog qhov sib txawv molecular hnyav thiab cov qauv molecular, suav nrog tsawg kawg tsib protein hydrolases. Tsis tas li ntawd, qee qhov kuj muaj phosphatase, peroxidase, cellulase, lwm yam glycosidases thiab tsis muaj protein ntau.
Bromelain yog glycoprotein, uas muaj oligosaccharide molecule hauv nws cov qauv molecular. Nws yog tsim los ntawm xylose (xy1), fucose (fuc), mannose (txiv neej) thiab N-acetylglucosamine (GlcNAc). Nws yog covalently txuas nrog cov saw peptide. Ishihara thiab Yasuda speculated tus qauv ntawm qab zib molecule feem.

Qhov siab tshaj plaws nqus wavelength ntawm bromelain yog 280 nm. Vim tias nws muaj ntau hom enzyme molecules, nws muaj ntau haiv neeg hauv catalytic substrates. Nws tuaj yeem decompose cov proteins, peptides, lipids thiab amides, thiab nws cov protein hydrolysis kev ua haujlwm yog ntau dua 10 npaug ntawm papain. Cov pab pawg tseem ceeb catalyzed los ntawm bromelain tsis yog qab zib molecule, tab sis sulfhydryl pawg hauv peptide saw; Tsis tas li ntawd, pawg carboxyl thiab hydroxyl nyob rau hauv cov qauv molecular ntawm bromelain kuj muaj kev ywj pheej ntawm kev ua enzyme.
Kev ua haujlwm catalytic ntawm bromelain tau yooj yim cuam tshuam los ntawm pH, kub, hlau ions, EDTA thiab txo cov neeg ua haujlwm. Mg thiab Ca tuaj yeem cuam tshuam kev ua haujlwm ntawm bromelain ntawm siab concentration, tab sis txhawb nws ntawm qis concentration; Cov txiaj ntsig tau pom tias Ca tuaj yeem txhawb nqa kev ua haujlwm ntawm 5-10 m mol / LCA enzyme tom qab kev cuam tshuam nrog cov enzyme rau 1h, thiab kev txhawb nqa cov nyhuv yog qhov pom tseeb tshaj plaws thaum cov concentration ntawm Ca yog 2 m mol / L. Cov haujlwm ntawm bromelain. tuaj yeem txo los ntawm chelate bromelain nrog EDTA ions. Cysteine hydrochloride tuaj yeem txhawb kev ceev ntawm cov tshuaj tiv thaiv enzyme nyob rau hauv ib qho kev concentration ntau: thaum lub concentration tsawg dhau, cov nyhuv txhawb zog yog qaug zog; Thaum cov concentration siab dhau lawm, nws pom tias inhibitory nyhuv, uas tej zaum yuav muaj feem xyuam rau cov qauv kev hloov ntawm lwm pab pawg neeg ntawm cov enzymes tshwm sim los ntawm kev txo.
Kev siv tseem ceeb hauv cov khoom noj:
1. Ci zaub mov: ntxiv bromelain rau lub khob noom cookie tuaj yeem degrade gluten, thiab lub khob noom cookie yog ib qho yooj yim rau txheej txheem tom qab softened. Thiab tuaj yeem txhim kho saj thiab zoo ntawm biscuits thiab qhob cij.
2. Cheese: siv los coagulate casein.
3. Tenderization ntawm nqaij: bromelain hydrolyzes macromolecular protein ntawm nqaij protein rau hauv yooj yim absorbed me me molecular amino acids thiab cov proteins. Nws tuaj yeem siv dav hauv kev ua tiav ntawm cov khoom siv nqaij.
4. Daim ntawv thov ntawm bromelain hauv lwm cov kev lag luam ua zaub mov, qee cov neeg tau siv bromelain kom nce tus nqi PDI thiab NSI tus nqi ntawm cov kua txiv hmab txiv ntoo thiab cov kua txiv hmab txiv ntoo, thiaj li tsim cov khoom noj muaj protein ntau thiab noj tshais, cov zaub mov thiab dej haus uas muaj cov hmoov nplej. Lwm yam suav nrog kev tsim cov taum qhuav, cov khoom noj me nyuam mos thiab margarine; Clarified kua txiv apple; Ua fudge; Muab cov zaub mov digestible rau cov neeg mob; Ntxiv tsw rau zaub mov txhua hnub, thiab lwm yam.
Daim ntawv thov hauv kev lag luam tshuaj thiab khoom noj qab haus huv:
1. inhibit qhov kev loj hlob ntawm cov qog hlwb: kev soj ntsuam ntawm cov kev tshawb fawb soj ntsuam cuam tshuam qhia tau hais tias bromelain tuaj yeem cuam tshuam kev loj hlob ntawm cov qog hlwb.
2. Kev tiv thaiv thiab kev kho mob ntawm cov kab mob plawv: bromelain, ua ib qho enzyme proteolytic, muaj txiaj ntsig zoo rau kev tiv thaiv thiab kho cov kab mob plawv. Nws tuaj yeem cuam tshuam lub plawv nres thiab mob stroke los ntawm platelet aggregation, alleviate cov tsos mob ntawm angina pectoris, yooj yim arterial contraction thiab accelerate lub decomposition ntawm fibrinogen.
3. Rau kev tshem tawm eschar hlawv: bromelain tuaj yeem xaiv tshem tawm ntawm daim tawv nqaij, kom cov tawv nqaij tshiab tuaj yeem nqa tawm sai li sai tau. Tsiaj thwmsim tau ua pov thawj tias bromelain tsis muaj teebmeem rau ntawm daim tawv nqaij uas nyob ib sab. Kev siv tshuaj tua kab mob hauv zos tsis cuam tshuam rau cov nyhuv ntawm bromelain.
4, tiv thaiv - cov nyhuv inflammatory: bromelain tuaj yeem kho qhov mob thiab edema (xws li thrombophlebitis, skeletal leeg raug mob, hematoma, stomatitis, mob ntshav qab zib rwj thiab kis las kis las) hauv ntau cov ntaub so ntswg. Bromelain muaj peev xwm ua kom cov kab mob inflammatory. Bromelain tuaj yeem kho raws plab.
5. Txhim kho kev nqus tshuaj: kev sib xyaw ntawm bromelain thiab ntau yam tshuaj tua kab mob (xws li tetracycline, amoxicillin, thiab lwm yam) tuaj yeem txhim kho nws cov nyhuv curative. Cov kev tshawb fawb cuam tshuam tau pom tias nws tuaj yeem txhawb kev sib kis ntawm cov tshuaj tua kab mob ntawm qhov chaw muaj kab mob, thiaj li txo cov tshuaj tua kab mob. Nws yog inferred tias nws muaj qhov zoo sib xws ntawm cov tshuaj tiv thaiv kab mob. Tsis tas li ntawd, bromelain tuaj yeem txhawb kev nqus ntawm cov as-ham.
Daim ntawv thov hauv kev lag luam kev zoo nkauj thiab tshuaj pleev ib ce:
Bromelain muaj cov teebmeem zoo ntawm cov tawv nqaij rejuvenating, whitening thiab tshem tawm pob. Lub hauv paus ntsiab lus ntawm kev txiav txim: bromelain tuaj yeem ua rau kev laus ntawm cov tawv nqaij ntawm tib neeg cov tawv nqaij, txhawb nws txoj kev degradation, decomposition thiab tshem tawm, txhawb cov tawv nqaij metabolism thiab txo cov xim ntawm daim tawv nqaij qhov tob los ntawm tshav ntuj. Ua kom daim tawv nqaij zoo nkauj thiab mos.
Kev siv bromelain hauv kev pub mis:
Ntxiv bromelain rau hauv cov mis pub los yog sib xyaw ncaj qha rau hauv cov khoom noj tuaj yeem txhim kho kev siv thiab hloov pauv ntawm cov protein, thiab tsim kom muaj cov protein ntau, kom txo tau tus nqi pub.
Lus Cim:
Bromelainyog cov khoom siv bioactive, uas yooj yim rau inhibited thiab rhuav tshem los ntawm hnyav hlau ions (Fe2 ntxiv, Cu2 ntxiv, Hg ntxiv, Pb ntxiv) thiab oxidants. Kev sib cuag nrog bromelain yuav tsum zam. Rau qee tus neeg rhiab heev, yog tias lawv raug rau lub sijhawm ntev, nws yuav ua rau cov tawv nqaij, qhov muag thiab qhov ntswg qhov ntswg, yog li nws raug nquahu kom hnav cov khoom tiv thaiv thaum ua haujlwm.
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