Arabinose Compound Sucrose

Arabinose Compound Sucrose

Arabinose compound sucrose yog cov suab thaj nyuaj uas muaj arabinose thiab sucrose, feem ntau muaj nyob hauv cov ntaub so ntswg thiab zaub mov. Arabinose yog ib qho carbohydrate indigestible uas tau tawg thiab siv los ntawm cov kab mob los ntawm fermentation hauv tib neeg lub cev. Piv nrog rau qhov no, sucrose yog cov zom zaub mov uas tuaj yeem muab lub zog tom qab zom thiab nqus los ntawm tib neeg lub cev. Lub xub ntiag ntawm arabinose ua ke nrog sucrose tuaj yeem cuam tshuam rau saj, kev ntxhib los mos, thiab kev noj haus zoo ntawm cov khoom noj, ua rau nws ib txwm muaj suab thaj.

Hauj lwm lawm

Arabinose compound sucrose yog cov suab thaj nyuaj uas muaj arabinose thiab sucrose, feem ntau muaj nyob hauv cov ntaub so ntswg thiab zaub mov. Arabinose yog ib qho carbohydrate indigestible uas tau tawg thiab siv los ntawm cov kab mob los ntawm fermentation hauv tib neeg lub cev. Piv nrog rau qhov no, sucrose yog cov zom zaub mov uas tuaj yeem muab lub zog tom qab zom thiab nqus los ntawm tib neeg lub cev. Lub xub ntiag ntawm arabinose ua ke nrog sucrose tuaj yeem cuam tshuam rau saj, kev ntxhib los mos, thiab kev noj haus zoo ntawm cov khoom noj, ua rau nws ib txwm muaj suab thaj.

 

Yam ntxwv

1. Nws yog ib yam khoom qab zib sib txawv ntawm monosaccharide los yog disaccharide, uas yog tsim los ntawm kev sib xyaw ntawm sucrose molecule thiab arabinose molecule los ntawm cov tshuaj lom neeg.

2. Nws muaj cov dej solubility zoo thiab ruaj khov, thiab tuaj yeem tiv taus qhov chaw tsis zoo xws li kub siab, acid thiab alkali tsis poob nws qhov qab zib.

3. Qhov qab zib yog qis dua sucrose, tab sis nws muaj qhov qab zib zoo persistence thiab freshness, uas tuaj yeem txhim kho saj thiab tsw ntawm cov khoom noj khoom haus.

4. Nws muaj qee yam kev ua haujlwm thiab tuaj yeem tawg mus rau hauv arabinose thiab sucrose los ntawm qee cov kab mob hauv tib neeg txoj hnyuv, yog li tswj cov ntshav qab zib thiab cov ntshav lipids, txhim kho txoj hnyuv, thiab lwm yam haujlwm.

5. Nws yog ib qho khoom qab zib ntuj, tsis muaj additives, muaj kev nyab xeeb thiab txhim khu kev qha, haum rau siv ntau yam khoom noj thiab dej haus, xws li zaub kua zaub, mis nyuj, yogurt, dej txias, pastries, thiab lwm yam.

 

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Cov txheej txheem tsim khoom ntawm arabinose complex sucrose muaj cov yam ntxwv hauv qab no:

1. Kev npaj ua ntej: malt starch lossis qabzib tau ntxiv rau cov piam thaj isomerase los tsim txog 70% ntawm isomeric qab zib, thiab tom qab ntawd arabinose tau txais los ntawm kev rho tawm thiab ua kom zoo ntxiv.

2. Ua ke nrog sucrose: Sib tov cov ntshiab arabinose nrog refined sucrose nyob rau hauv ib qho kev faib ua feem, cua sov thiab do kom tag nrho yaj thiab react.

3. Refining thiab refining: Refining thiab refining cov tov tov tom qab cov tshuaj tiv thaiv, tshem tawm impurities thiab ya raws, kom tau arabinose compound sucrose khoom.

Cov txheej txheem ntau lawm no muaj qhov zoo ntawm kev ua haujlwm siab, kev tiv thaiv ib puag ncig, thiab kev txuag hluav taws xob, thiab tau siv dav.

 

Khoom zoo

1. Qab zib qis: piv rau sucrose, nws muaj qhov qab zib qis dua, ua rau nws muaj kev noj qab haus huv rau cov khoom qab zib.

2. Cov calories tsawg: Vim nws qhov qab zib tsawg, nws muaj calories tsawg thiab ntau dua

haum rau kev tswj qhov hnyav thiab qab los noj mov dua sucrose.

3. Cov glycemic Performance index qis: nws yuav tsis ua rau cov ntshav qab zib nce siab, vim tias nws cov glycemic Performance index qis, uas muaj txiaj ntsig zoo rau cov neeg mob ntshav qab zib thiab cov neeg noj qab haus huv.

4. Cov saj thiab xim zoo dua: Piv nrog rau lwm cov khoom qab zib hloov, nws muaj qhov saj thiab xim zoo dua, ua rau nws muaj kev xaiv ntau dua hauv kev tsim khoom noj thiab dej haus.

5. Kev ruaj ntseg zoo dua: Nws muaj kev ruaj ntseg zoo dua nyob rau hauv qhov kub thiab txias thiab acidic tej yam kev mob, ua rau nws ib tug haum qab zib hloov rau siv nyob rau hauv ci thiab dej haus.

 

Cov khoom ntawm Arabinose Compound Sucrose

Rau cov laj thawj biosynthetic, feem ntau cov saccharides yuav luag ib txwm muaj ntau dua nyob rau hauv cov xwm txheej li "D"-form, los yog cov qauv zoo sib xws rau D-glyceraldehyde. Txawm li cas los xij, L-arabinose yog qhov tseeb ntau dua li D-arabinose hauv cov xwm txheej thiab pom muaj nyob rau hauv cov xwm txheej raws li ib feem ntawm biopolymers xws li hemicellulose thiab pectin.

L-arabinose operon, tseem hu ua araBAD operon, tau ua cov kev tshawb fawb ntau ntawm biomolecular. Lub operon tswj cov catabolism ntawm arabinose hauv E. coli, thiab nws yog dynamically activated nyob rau hauv lub xub ntiag ntawm arabinose thiab tsis muaj qabzib.

Ib txoj kev classic rau cov organic synthesis ntawm arabinose los ntawm qabzib yog Wohl degradation.

 

 

3 Qhov Tseem Ceeb Ntawm L-Arabinose: Kev poob phaus, Kev tswj ntshav qab zib, thiab plab hnyuv noj qab haus huv

Nws tuaj yeem daws cem quav.

Txij li thaum tsis muaj enzymes hauv tib neeg txoj hnyuv los zom tsib-carbon suab thaj, arabinose yog qhov nyuaj rau kev nqus los ntawm cov hnyuv. Nws tuaj yeem ua tiav qhov teeb meem ntawm cem quav. Thiab nws tuaj yeem siv los ua khoom noj khoom haus ntshiab. Nyob rau hauv rooj plaub no, nws tsis yog tshuaj los yog khoom noj qab haus huv. Yog li ntawd, kev noj haus mus sij hawm ntev yuav tsis ua rau muaj kev phiv tshuaj lom lossis kev vam khom ntawm lub cev.

 

Nws tuaj yeem inhibit sucrase kev ua haujlwm hauv cov hnyuv me thiab muaj kev thaiv thiab inhibitory cuam tshuam rau kev hloov pauv metabolic ntawm sucrose.

Yog tias arabinose ntxiv rau hauv ib qho kev faib ua feem, lub cev tuaj yeem cuam tshuam qhov nqus ntawm sucrose los ntawm 70%. Nws tuaj yeem txhim kho cov ntshav qabzib ntev. Yog li, nws inhibits qhov nce hauv cov ntshav qabzib thiab insulin ntau ntxiv los ntawm kev noj sucrose. Rau cov neeg muaj ntshav qab zib siab, cov neeg mob ntshav qab zib, thiab cov poj niam cev xeeb tub uas muaj ntshav qab zib gestational, nws muaj cov txiaj ntsig zoo tswj ntshav qab zib.

 

Nws tswj cov kab mob hauv plab hnyuv thiab proliferates cov kab mob plab hnyuv.

Vim tias lub cev tsis nqus arabinose hauv cov hnyuv, cov kab mob phem tsis siv nws. Nws tsuas yog siv los ntawm Bifidobacteria. Nws txhawb txoj kev loj hlob ntawm cov kab mob probiotic hauv cov hnyuv, suav nrog Bifidobacterium thiab Lactobacillus. Nws kuj muaj txiaj ntsig los txhawb kev noj qab haus huv tib neeg txoj hnyuv. Ntxiv mus, sucrose nyob rau hauv txoj hnyuv yog inhibited los ntawm arabinose, yog li ib feem ntawm sucrose uas tsis tau tawg mus rau hauv qabzib thiab fructose tsis tuaj yeem nqus los ntawm cov hnyuv. Tom qab nws mus txog cov hnyuv loj, nws yuav koom tes nrog arabinose los txhawb kev loj hlob ntawm Lactobacillus. Cov kab mob hauv cov hnyuv loj tuaj yeem rhuav tshem nws mus rau hauv ntau cov kab mob luv luv organic acids. Cov organic acids no inhibit rog synthesis nyob rau hauv daim siab, yog li ua tiav cov nyhuv ntawm cov rog.

 

FAQ

Q: 1.Lub hom phiaj ntawm arabinose qab zib yog dab tsi?

A: L-Arabinose, monosaccharide muab rho tawm los ntawm cov pos hniav, pob kws fiber ntau, thiab beet pulps, paub tias yuav txwv kev rog los ntawm kev tswj cov ntshav qabzib yoo mov thiab cov tshuaj insulin tsis kam.

Q: 2.Dab tsi yog hom qab zib arabinose?

A: Arabinose yog lwm cov piam thaj pentose pom hauv cov nroj tsuag polymers, xws li hemicelluloses thiab pectins. Xylose thiab arabinose yog cov monosaccharide tseem ceeb ntawm hemicelluloses, suav nrog 80% thiab 12%, feem (Li et al., 2015).

Q: 3.Dab tsi yog arabinose thiab nws lub hom phiaj?

A: Arabinose yog tsib-carbon qab zib uas pom dav hauv cov xwm txheej thiab tuaj yeem ua cov pa roj carbon monoxide hauv ntau cov kab mob. Cov khoom lag luam protein los ntawm peb lub noob (araB, araA, thiab araD) yog xav tau rau arabinose degradation hauv cov tswv cuab ntawm tsev neeg Enterobacteriaceae, xws li E. coli thiab S.

Q: 4.Dab tsi yog cov tshuaj arabinose?

A: Arabinose yog aldopentose - monosaccharide muaj tsib carbon atoms, thiab suav nrog aldehyde (CHO) pab pawg ua haujlwm.

Q: 5.Vim li cas arabinose qab zib ua rau cov kab mob ci?

A: Hauv pGLO plasmid DNA, qee cov noob muaj feem cuam tshuam rau kev tawg ntawm arabinose tau hloov los ntawm jellyfish noob uas codes rau GFP. Nyob rau hauv lub xub ntiag ntawm arabinose, GFP noob tau qhib, thiab cov kab mob ci ntsa iab ntsuab thaum raug UV teeb.

Q: 6.Yog arabinose ib keto qab zib?

A: Ua los ntawm ntuj qab zib arabinose, ib qho khoom qab zib qis glycemic nrog kev hloov maj mam, ua kom zoo dua. Tsis yog-GMO thiab gluten-dawb mis, ua rau nws muaj kev nyab xeeb thiab noj qab haus huv xaiv rau txhua tus uas muaj kev txwv kev noj haus. Keto-phooj ywg thiab zoo meej rau cov neeg noj zaub mov uas tsis muaj carb lossis qab zib.

Q: 7.Yog arabinose txo cov suab thaj?

A: Txo cov suab thaj xws li qabzib, fructose, glyceraldehyde, lactose, arabinose thiab maltose. Txhua monosaccharides uas muaj ketone pawg hu ua ketoses, thiab cov uas muaj aldehyde pawg hu ua aldoses. Qhov tseem ceeb, sucrose tsis yog txo cov piam thaj. Nws yog qhov tseeb lub npe hu ua cov piam thaj tsis txo qis.

Q: 8.Dab tsi tshwm sim thaum arabinose tam sim no?

A: Nyob rau hauv lub xub ntiag ntawm arabinose, AraC protein txhawb kev khi ntawm RNA polymerase rau tus txhawb nqa, uas ua rau kev hloov pauv ntawm GFP noob rau hauv tub txib RNA (mRNA), ua raws li kev txhais ntawm mRNA no rau hauv GFP. Cov txheej txheem no hu ua gene expression.

Q: 9.Cov khoom noj twg muaj arabinose?

A: L-Arabinose thiab nws cov kev ua haujlwm L-Arabinose yog hom suab thaj tsis tshua muaj tshwm sim hauv cov qauv hemicelluloses ntawm cov txiv hmab txiv ntoo thiab zaub feem ntau. Qhov siab tshaj plaws ntawm L-Arabinose tuaj yeem pom hauv kas fes, cawv thiab cawv.

Q: 10.Yuav ua li cas yog arabinose hloov mus rau hauv qabzib?

A: D-arabinose hloov mus rau qhov sib xyaw ntawm D-glucononitrile thiab D-mannononitrile, uas tom qab ntawd hloov mus rau D-gluconolactone thiab D-mannonolactone, sib cais, thiab txo kom D-glucose lossis D-mannose. Cov tshuaj yield los ntawm txoj kev no yog kwv yees li ntawm 30%.

Q: 11.Dab tsi yog arabinose tseem hu ua?

A: L-Arabinose, tseem hu ua L-arabinopyranose, belongs rau chav kawm ntawm cov organic tebchaw hu ua pentoses. Cov no yog cov monosaccharides uas cov carbohydrate moiety muaj tsib carbon atoms. L-Arabinose yog ib qho tseem ceeb tsis muaj zog (qhov tseem ceeb nruab nrab) compound (raws li nws cov pKa).

Q: 12.How qab zib yog arabinose?

A: L-arabinose yog tsim los ntawm tshuaj lom neeg lossis enzymatic hydrolysis ntawm hemicellulose. Cov saj ntawm L-arabinose zoo ib yam li cov sucrose, nrog kwv yees li 50% ntawm qhov qab zib.

Q: 13.Yog arabinose zoo lossis phem rau koj?

A: L-arabinose tau pom tias yuav txo qis qabzib nqus los ntawm inhibiting plab hnyuv enzyme sucrase hauv ib qho kev sib tw. Sucrase yog tam sim no nyob rau hauv txhuam ciam teb ntawm txoj hnyuv thiab tseem ceeb heev rau hydrolysing sucrose rau hauv cov piam thaj thiab fructose molecule.

Q: 14.Cov kab mob puas siv arabinose?

A: Ntau cov kab mob siv L-arabinose los ua cov pa roj carbon thiab lub zog. Txoj kev siv L-arabinose thiab nws cov kev tswj hwm kev hloov pauv tau raug kawm ntau yam hauv ntau hom kab mob.

Q: 15.Yuav ua li cas arabinose tig cov kab mob ntsuab?

A: Los ntawm kev tso L-arabinose txhawb qhov chaw nyob rau pem hauv ntej ntawm cov noob rau cov protein fluorescent ntsuab hauv pGLO plasmid, GFP yuav raug tsim thaum cov kab mob loj hlob nyob rau hauv lub xub ntiag ntawm L-arabinose.

Q: 16.Yog arabinose soluble hauv dej?

A: L-arabinose yog ib qho tsis muaj ntxhiab tsw dawb zoo li crystalline ntawm chav tsev kub, thiab nws yog soluble hauv dej, me ntsis soluble hauv cawv, insoluble hauv ether, methanol thiab acetone.

Q: 17.Dab tsi yog kev siv L-Arabinose?

A: L-Arabinose tuaj yeem siv los ua cov khoom qab zib, hloov cov suab thaj hauv cov lus, lossis ua ib hnub ntxiv ua ntej noj mov loj. Cov neeg mob ntshav qab zib yuav tsum nrhiav kev kho mob ua ntej siv cov khoom, vim L-Arabinose tuaj yeem txo cov ntshav qab zib.

Q: 18.Dab tsi yog arabinose qab zib siv rau?

A: Arabinose yog siv rau hauv ntau daim ntawv thov, suav nrog cov khoom qab zib, tshuaj tiv thaiv oxidative thiab ntshav qab zib txo cov neeg ua haujlwm, precursors rau synthesizing amino acids, tshuaj thiab kho molecules, thiab raw cov ntaub ntawv rau surfactant ntau lawm.

Q: 19.Yog L-Arabinose inhibitor?

A: L-arabinose selectively inhibits plab hnyuv sucrase nyob rau hauv ib tug uncompetitive yam thiab suppresses glycemic teb tom qab sucrose noj nyob rau hauv cov tsiaj. Metabolism.

Q: 20.Dab tsi yog qhov txawv ntawm L-arabinose thiab D arabinose?

A: Khoom. Rau cov laj thawj biosynthetic, feem ntau cov saccharides yuav luag ib txwm muaj ntau dua nyob rau hauv cov xwm txheej li "D"-form, los yog cov qauv zoo sib xws rau D-glyceraldehyde. Txawm li cas los xij, L-arabinose yog qhov tseeb ntau dua li D-arabinose hauv cov xwm txheej thiab pom muaj nyob rau hauv cov xwm txheej raws li ib feem ntawm biopolymers xws li hemicellulose thiab pectin.

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