Pectinase yog dab tsi?
Pectinase yog ib pawg ntawm cov enzymes (xws li polygalacturonase thiab pectin lyase) uas ua rau kev puas tsuaj ntawm pectin, cov txheej txheem polysaccharide pom hauv cov phab ntsa ntawm cov nroj tsuag. Kev lag luam, nws yog siv los qhia meej cov kua txiv hmab txiv ntoo, ua kom cov kua txiv hmab txiv ntoo, thiab tshem tawm cov pith ntawm citrus, feem ntau muab tau los ntawm cov kab mob xws li Aspergillus niger.
Txhua Yam Koj Yuav Tsum Paub
Pectinase siv rau dab tsi?
Pectinase feem ntau yog siv los rhuav tshem pectin hauv cov nroj tsuag -raws li raw cov ntaub ntawv. Hauv kev ua lag luam, feem ntau yog siv rau kev tshem tawm cov kua txiv hmab txiv ntoo thiab kev qhia meej, kev ua cov cawv txiv hmab, thiab cov nroj tsuag xaiv -raws li cov txheej txheem ua haujlwm uas txo cov viscosity, kev sib cais zoo dua, thiab kev pom zoo dua.
Cov kev lag luam twg tuaj yeem siv Pectinase?
Pectinase yog siv dav hauv kev ua zaub mov thiab dej haus, tshwj xeeb tshaj yog nyob rau hauv cov txiv hmab txiv ntoo thiab zaub kua txiv, winemaking, thiab lwm yam nroj tsuag - cov ntaub ntawv ua cov ntaub ntawv. Nyob ntawm hom enzyme, nws kuj tseem siv tau rau hauv cov khoom noj uas tsis yog - cov khoom noj xws li textile lossis fiber ntau - txog kev kho mob.
Kuv yuav paub li cas yog tias koj Pectinase haum rau kuv cov txheej txheem?
Kev xaiv pectinase feem ntau yog nyob ntawm koj cov khoom siv raw, pH ntau yam, txheej txheem kub, lub sijhawm kho, qib viscosity, lub hom phiaj meej, thiab cov txheej txheem qis qis. Rau cov haujlwm B2B, nws yog qhov zoo tshaj plaws kom phim cov enzyme rau daim ntawv thov tiag tiag es tsis yog xaiv los ntawm tus lej ua haujlwm xwb.
Puas yog koj lub Pectinase haum rau cov kua txiv kom meej?
Yog lawm. Pectinase feem ntau yog siv rau hauv cov kua txiv hmab txiv ntoo kom txo cov viscosity, txhim kho cov kua txiv hmab txiv ntoo, txhawb kev nthuav dav, thiab pab pom kev ua haujlwm. Cov ntaub ntawv nyoos sib txawv yuav xav tau cov enzyme kev ua haujlwm sib txawv thiab cov lus pom zoo noj.
Cov ntsiab lus tseem ceeb:
Nws ua haujlwm li cas:Nws rhuav tshem pectin rau hauv me me, soluble fragments, txo viscosity thiab softening cog cov ntaub so ntswg.
Kev Siv Hluav Taws Xob:Feem ntau siv rau hauv cov kua txiv hmab txiv ntoo, cawv txiv hmab, thiab ua zaub mov los txhim kho kev ntxhib los mos, txhim kho cov xim extraction, thiab qhia cov kua dej kom meej.
Cov xwm txheej zoo:Pectinase yog qhov zoo tshaj plaws nyob rau hauv acidic ib puag ncig (pH4.0--5.5) thiab ua haujlwm zoo tshaj plaws ntawm 18∘C thiab 40∘C, txawm tias qee qhov kev npaj tau ruaj khov mus txog 61∘C.
Kev siv:Rau, hais, clarifying citrus, ib tug 1% concentration ntawm kua pectinase ntxiv rau cov kua txiv, tso cai rau zaum rau 30-60 feeb, yog pom zoo.
Cia:Nws feem ntau yog hygroscopic thiab yuav tsum tau muab cia rau hauv qhov txias (2--8∘C), ib puag ncig qhuav kom ruaj khov.
Muaj nuj nqi hauv lub cev:Pectinase tsis yog tsim los ntawm tib neeg lossis tsiaj hlwb. Yog li ntawd, nws tsis muaj lub luag haujlwm innate hauv tib neeg zom zaub mov, txawm tias nws yog siv los ua zaub mov ua ntej noj.
Cov teebmeem:Thaum siv dav hauv kev ua zaub mov, cov kev mob tshwm sim tshwj xeeb ntawm cov enzymes concentrated tsis tau sau tseg rau kev noj. Nws feem ntau yog tsim los ntawm Aspergillus niger thiab feem ntau suav tias muaj kev nyab xeeb rau kev lag luam khoom noj khoom haus.
ANALYTICAL RESULTS
| Cov khoom kuaj | Method / Ref. | Specification | Kev tshwm sim | Xaus |
|---|---|---|---|---|
| Kev txheeb xyuas | Hauv -house ID / daim ntawv thov | Pectinase | Ua raws | Hla |
| Qhov tshwm sim | Pom kev | Tan rau lub teeb tan dawb - ntws hmoov | Lub teeb tan hmoov | Hla |
| Kev ua enzyme | Endo-polygalacturonase assay / tus neeg muag khoom txoj kev | NLT 300 Endo-PG/g | 328 Endo-PG/g | Hla |
| Lub luag haujlwm Unit txhais | Tus neeg muab khoom siv -txhais chav tsev | Qhia xwb | Endo-PG/g qhia | Hla |
| tsw & saj | Organoleptic | Tsis muaj ntxhiab tsw thiab saj | Ua raws | Hla |
| Solubility | Kev ntsuas dej solubility | Soluble hauv dej | Ua raws | Hla |
| pH (1% tov) | pH ntsuas | 3.0 – 5.5 | 3.9 | Hla |
| Poob rau ziab | Gravimetric | Tsawg dua lossis sib npaug li 8.0% | 4.5% | Hla |
| Lead (Pb) | ICP-MS / ICP-OES | Tsawg dua lossis sib npaug li 5.0 mg / kg | 0.22 mg/kg | Hla |
| Arsenic (As) | ICP-MS / ICP-OES | Tsawg dua lossis sib npaug li 3.0 mg / kg | 0.11 mg/kg | Hla |
| Cadmium (Cd) | ICP-MS / ICP-OES | Tsawg dua lossis sib npaug li 0.5 mg / kg | < 0.05 mg/kg | Hla |
| Mercury (Hg) | ICP-MS / ICP-OES | Tsawg dua lossis sib npaug li 0.5 mg / kg | < 0.01 mg/kg | Hla |
| Tag nrho |
Txheej txheem ntau lawm
