D-Cellobioseyog cov organic compound nrog cov tshuaj formula C12H22O11, CAS 528-50-7, thiab cov hmoov dawb crystalline. Cov molecule muaj ib pawg acetal hydroxyl uas tuaj yeem txo Fehling reagent. Nws yog cov khoom ntawm cellulose hydrolysis thiab lub hauv paus structural unit ntawm cellulose. Nws tsis tuaj yeem hydrolyzed los ntawm maltase, tab sis tuaj yeem hydrolyzed los ntawm iab almond enzyme thiab yog txo cov suab thaj. Tsis muaj fiber ntau disaccharides hauv qhov xwm txheej. Fine crystalline fiber disaccharides (tom qab lub tshuab nqus tsev qhuav) tuaj yeem tau txais hauv ethanol aqueous tov. Nws txoj kev sib raug zoo nrog cellulose zoo ib yam li maltose thiab starch, thiab tom qab hydrolysis, ob molecules ntawm D - (+) - qabzib kuj tau. Qhov txawv yog tias maltose yog - Glucosides, thaum disaccharides - Glucosides. Cov tshuaj no belongs rau kev noj haus fiber ntau thiab tsis tuaj yeem hydrolyzed los ntawm tib neeg digestive enzymes. Nws muaj cov haujlwm physiological xws li tswj cov ntshav qab zib, peristalsis ntawm txoj hnyuv, thiab txo cov roj cholesterol. Fibrobiose tuaj yeem siv los ua cov khoom siv tshuaj tua kab mob, txhim kho lawv cov solubility thiab bioavailability, nrog rau kev txhim kho kev ntxhib los mos thiab ruaj khov ntawm lwm yam tshuaj. Fiber disaccharides feem ntau yog siv rau hauv kev tsim cov pos hniav tsis muaj qab zib thiab cov dej qab zib tsawg, nrog saj qab zib tab sis yuav luag tsis muaj calories, ua rau lawv hloov cov suab thaj zoo tagnrho. Fibrobiose yog substrate rau ntau yam enzymes thiab cov kab mob tshwm sim, siv los kawm txog cov txheej txheem enzymatic thiab cov piam thaj metabolism hauv cov txheej txheem enzyme, thiab tseem tuaj yeem siv los ua raw khoom rau fermentation los tsim cov organic tebchaw. Nws yog cov khoom siv raw rau kev tsim cov vodka syrup, lwm yam oligosaccharides, thiab uronic acids. Nws ua lub luag haujlwm tseem ceeb hauv biochemistry thiab tseem yog ib qho tseem ceeb ua ntej rau kev tsim cov mucopolysaccharides, vitamin C, thiab dyes. Fibrobiose tuaj yeem siv los ua cov thickener thiab moisturizer hauv cov tshuaj pleev ib ce, tshuaj, thiab zaub mov kev lag luam. Nws kuj muaj qee yam tshuaj hnyav hnyav.
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Tshuaj Formula |
C12H22O11 |
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Exact Mass |
342 |
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Molecular Luj |
342 |
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m/z |
342 (100.0%), 343 (13.0%), 344 (2.3%) |
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Elemental Analysis |
C, 42.11; H, 6.48; O, 51.41 |
D-Cellobiose, raws li lub cev muaj zog oligosaccharide, muaj cov txiaj ntsig tseem ceeb hauv kev lag luam xws li zaub mov, tshuaj, thiab kev lag luam tshuaj.
1. Kev lag luam zaub mov
(1) Siv los tsim cov kua qab zib thiab cov kua fructose siab, nws yog cov khoom siv raw rau ntau yam khoom noj. Nws kuj yog siv los ua ke rau lwm cov oligosaccharides thiab cov khoom carbohydrate.
(2) Siv los tiv thaiv corrosion thiab txhim kho lub cev thiab tshuaj lom neeg ruaj khov ntawm cov zaub mov, lub luag haujlwm tseem ceeb ntawm kev ua haujlwm yog tswj hwm dej thiab inhibit microbial kev loj hlob.
(3) Raws li cov khoom qab zib qis thiab qab zib tsawg, nws yog siv los tsim cov pos hniav dawb qab zib, dej haus, thiab ntau yam khoom noj qab zib tsawg.
(4) Ntxiv rau cov qhob cij, pastries, kua ntses, thiab nqaij cov khoom los txhim kho cov saj thiab kev ntxhib los mos ntawm cov khoom.
2. Kev kho mob thiab kev kho mob
(1) Raws li kev noj haus fiber ntau, nws tuaj yeem ua rau lub cev muaj zog xws li tswj cov ntshav qab zib, peristalsis ntawm txoj hnyuv, thiab txo cov roj cholesterol, thiab siv los tsim cov khoom noj muaj txiaj ntsig zoo thiab cov khoom noj muaj zog.
(2) Raws li ib qho ntawm kev noj haus kev ntsuas kev tiv thaiv kab mob, nws tuaj yeem txhim kho lub cev hloov mus rau cov piam thaj metabolism thiab tiv thaiv cov kab mob metabolic.
(3) Raws li cov khoom siv tshuaj, nws tuaj yeem txhim kho lawv cov solubility, stability, thiab bioavailability, thiab txhim kho kev ntxhib los mos ntawm cov tshuaj.
(4) Siv rau kev tshawb fawb txog kev noj haus, saib xyuas kev zom zaub mov, kev nqus, thiab kev siv cov carbohydrate metabolites hauv tib neeg lub cev.
3. Biotechnology thiab tshuaj lom neeg kev lag luam
(1) Raws li raw khoom rau kev tsim cov organic tebchaw los ntawm fermentation, nws yog siv rau microbial fermentation thiab zus tau tej cov metabolites.
(2) Siv rau kev tshawb fawb enzymatic thiab glycosylation, nws yog ib qho tseem ceeb substrate rau kev kawm txog cov enzyme systems, siv los elucidate lub mechanism thiab cov yam ntxwv ntawm enzymes.
(3) Siv rau synthesizing siab vodka phoov, uronic acid, mucopolysaccharides, dyes thiab lwm yam khoom, nws yog ib qho tseem ceeb tshuaj raw khoom.
(4) Raws li cov thickener, moisturizer, thiab hnyav nyob rau hauv cov tshuaj pleev ib ce, tshuaj, thiab zaub mov kev lag luam, nws txhim kho lub system stability ntawm cov khoom.
Fibrobiose muaj ntau yam kev siv hauv kev ua zaub mov, kev kho mob, thiab biochemical industries, thiab yog ib qho tseem ceeb raw khoom rau kev tshawb fawb thiab industrialization, nrog rau kev loj hlob zeem muag. Nws cov txiaj ntsig kev noj qab haus huv thiab kev noj qab haus huv kuj ua rau nws muaj cov khoom xyaw tseem ceeb hauv cov khoom noj khoom haus thiab cov khoom noj qab haus huv.
Acid catalyzed qabzib lub cev qhuav dej yog ib txoj hauv kev siv los ua keD-Cellobiose, uas siv cov kua qaub catalysts los txhawb lub cev qhuav dej condensation tshwm sim ntawm cov piam thaj molecules, tsim glycosidic txuas disaccharide molecules.
Cov hauv qab no yog cov ncauj lus kom ntxaws cov kauj ruam thiab sib npaug tshuaj sib npaug ntawm cov txheej txheem synthesis:
Kauj Ruam 1: Npaj cov tshuaj
1. Dissolve qabzib:
Dissolve ib qho tsim nyog cov piam thaj (D-glucose) hauv cov kuab tshuaj anhydrous, xws li dimethyl sulfoxide (DMSO), dimethyl formamide (DMF), thiab lwm yam. Feem ntau, 1 mole ntawm qabzib yog siv.
2. Ntxiv acid catalyst:
Ntxiv cov kua qaub uas tsim nyog rau cov kua qab zib, feem ntau siv cov kua qaub xws li sulfuric acid, phosphoric acid, hydrochloric acid, thiab lwm yam, feem ntau yog siv los ntawm 1% mus rau 5% ntawm cov piam thaj.
Kauj Ruam 2: Cov tshuaj tiv thaiv cua sov
3. Kev tswj qhov kub thiab txias:
Ua kom sov cov tshuaj kom haum rau qhov kub thiab txias, feem ntau yog nyob nruab nrab ntawm 60 ° C thiab 100 ° C. Qhov kub siab dua, cov tshuaj tiv thaiv sai dua, tab sis nws kuj tuaj yeem ua rau muaj kev phiv ntau ntxiv.
4. Kev soj ntsuam ntawm cov tshuaj tiv thaiv:
Thaum lub sij hawm ua cua sov, soj ntsuam cov kev hloov hauv cov tshuaj. Raws li cov tshuaj tiv thaiv zoo zuj zus, cov tshuaj yuav maj mam hloov ntawm cov xim tsis muaj xim mus rau xim daj lossis xim av.
Kauj Ruam 3: Cov tshuaj tiv thaiv nres thiab cov khoom rho tawm
5. Nres cua sov:
Tom qab ib lub sij hawm ntawm cov tshuaj tiv thaiv, nres cua sov thiab txias mus rau chav tsev kub.
6. Kev kho neutralization:
Neutralize cov tshuaj tiv thaiv siv cov tshuaj neutralizing xws li sodium bicarbonate.
7. Extract cov khoom:
Extract cov khoom los ntawm kev daws teeb meem siv cov txheej txheem extraction tsim nyog. Cov txheej txheem extraction feem ntau muaj xws li extraction, crystallization, thiab lwm yam.
8. Purification thiab sib cais:
Purify thiab cais cov khoom rho tawm kom tau cov khoom lag luam hom phiaj D-(+)-fibrodisaccharide.
Thaum lub sij hawm txheej txheem synthesis no, lub cev qhuav dej condensation tshwm sim ntawm cov piam thaj molecules, tsim cov disaccharide molecules txuas los ntawm glycosidic bonds. Cov tshuaj sib npaug rau cov tshuaj tiv thaiv no yog raws li nram no:
NC6H12O6 → C12H22O11+nH2O
Ntawm lawv, n sawv cev rau cov piam thaj molecules, C6H12O6 sawv cev rau cov piam thaj, C12H22O11 sawv cev D-(+)-fiber disaccharides, thiab H2O sawv cev rau cov dej molecules.
Mechanism ntawm kev ua:
Lub mechanism ntawm kev ua ntawmD-Cellobiosetsis to taub tag nrho. Nws ntseeg tau tias yuav nqus los ntawm cov hlwb los ntawm kev thauj cov protein, tom qab ntawd tawg los ntawm enzymes rau hauv cov piam thaj molecules, uas tuaj yeem siv rau kev tsim hluav taws xob lossis lwm yam txheej txheem metabolic.
Kev ua haujlwm lom neeg:
D-(+)-fibrodisaccharides tau pom tias muaj ntau yam kev ua ub no, suav nrog kev txhawb nqa cov piam thaj thiab cov metabolism, txhawb kev loj hlob ntawm tes, txhawb kev sib txawv ntawm tes, thiab inhibiting kev loj hlob ntawm qee cov kab mob thiab cov fungi.
Biochemical thiab physiological teebmeem:
Cov teebmeem biochemical thiab physiological ntawm D-(+)-fibrodisaccharides tau kawm nyob rau hauv ob qho tib si hauv vivo thiab hauv vitro kev sim. Kev tshawb fawb tau pom tias D-(+)-fibrodisaccharides tuaj yeem txhawb nqa cov piam thaj thiab cov metabolism, txhawb kev loj hlob ntawm tes thiab kev sib txawv, thiab inhibit kev loj hlob ntawm qee cov kab mob thiab cov fungi. Nws kuj tau raug pov thawj tias muaj cov tshuaj tiv thaiv kab mob, tshuaj tua kab mob, thiab tshuaj tiv thaiv kab mob.
Hauv kev tshawb nrhiav vivo:
Hauv vivo kev sim siv D-(+)-fibrodisaccharides tuaj yeem siv los kawm txog cov metabolism thiab thauj cov suab thaj hauv cov kab mob. Piv txwv li, nws tuaj yeem siv los kawm txog kev nqus, metabolism, thiab tshem tawm cov suab thaj los ntawm tib neeg thiab lwm yam tsiaj. Nws tseem tuaj yeem siv los kawm txog cov teebmeem ntawm cov piam thaj ntawm lub cev tiv thaiv kab mob thiab lwm yam txheej txheem physiological.
Kev tshawb fawb hauv vitro:
Kev sim hauv vitro ntawm D-(+)-fibrodisaccharides tuaj yeem siv los kawm txog biochemical thiab physiological teebmeem ntawm cov suab thaj ntawm cov hlwb thiab cov ntaub so ntswg. Piv txwv li, nws tuaj yeem siv los kawm txog cov teebmeem ntawm cov suab thaj ntawm kev ua enzyme, kev loj hlob ntawm tes, thiab kev sib txawv. Nws kuj tseem siv tau los kawm txog qhov cuam tshuam ntawm cov piam thaj ntawm cov noob thiab cov protein qhia.
Qhov zoo thiab cov kev txwv ntawm kev sim hauv kev sim:
Muaj ntau qhov zoo rau kev siv D-(+)-fiber disaccharides hauv kev sim kuaj. Nws yog ib qho yooj yim tau txais thiab pheej yig carbohydrate uas tuaj yeem yooj yim synthesized thiab purified. Nws kuj tseem ruaj khov thiab tsis muaj tshuaj lom rau cov hlwb lossis cov kab mob. Txawm li cas los xij, nws txoj kev siv hauv kev sim sim yog txwv los ntawm nws qhov tsis zoo solubility hauv dej, uas yuav txwv tsis pub nws siv hauv qee qhov kev sim.
Cim npe nrov: d-cellobiose cas 528-50-7, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom