Taw qhia
Melibiose yog ib txwm tshwm sim los txo cov disaccharide tsim los ntawm ib qho galactose thiab ib qho qabzib molecule txuas los ntawm ib qho-1,6-glycosidic daim ntawv cog lus. Nws yog ib qho txawv ntawm cov nroj tsuagzib muthiab paub meejlegume noob. Tsis zoo li cov sucrose ntau dua (-1,2 linkage) los yog lactose (-1,4 linkage), nws qhov tshwj xeeb -1,6 daim ntawv cog lus ua rau nws tiv taus hydrolysis los ntawm cov tsiaj txhu feem ntau zom cov enzymes tab sis xaiv fermentable los ntawm cov plab hnyuv microbiota, underpinning nws tus nqi raws li ib tugtshwj xeeb prebioticthiab cov cuab yeej tshawb fawb hauv microbiology thiab zaub mov science.
Physical & Chemical Parameters
| Parameter | Specification / Tus nqi | Lus Ceeb Toom / Qhov Tseem Ceeb |
|---|---|---|
| Molecular Luj | 342.30 g / mol | -- |
| Qhov tshwm sim | Dawb rau tawm -dawb crystalline hmoov | -- |
| Melting Point | 180 - 185 degree | -- |
| Specific Optical Rotation [ ]²⁰/D | +129℃rau +132℃(c=4 hauv H₂O) | Qhov tseem ceeb identifier rau purity thiab conformation. |
| Solubility | Dawb soluble nyob rau hauv dej.Me ntsis soluble hauv ethanol. | Qhov tseem ceeb rau kev npaj cov kev daws teeb meem rau kev sim tshuaj lom neeg. |
| Txo cov khoom qab zib | Yog lawm.Muaj ib qho dawb anomeric carbon (hemiacetal) ntawm cov piam thaj. | Koom nrog cov tshuaj tiv thaiv Maillard; muab kev kuaj pom zoo nrog Fehling's/Benedict's reagent. |
Mechanism ntawm Action
Lub ntsiab bioactivity ntawm Melibiose stems los ntawm nwsxaiv fermentability, uas tsav nws cov prebiotic thiab kev tshawb fawb daim ntawv thov.
- Resistance rau Upper GI Digestion:Cov-1,6 glycosides daim ntawv cog lusntawm melibiose tsis yog hydrolyzed los ntawm tib neeg salivary los yog pancreatic enzymes (piv txwv li, amylase, sucrase-isomaltase, lactase). Yog li ntawd, nws kis tau los ntawm lub plab thiab cov hnyuvtsis zoo, ncav lub plab undigested.
- Selective Microbial Fermentation (Prebiotic Effect):Hauv cov hnyuv loj, melibiose ua haujlwm ua ib qhonyiam carbon qhov chawrau cov kab mob muaj txiaj ntsig tshwj xeeb, tshwj xeeb yog qee hom kab mobBifidobacteriathiabLactobacilliuas muaj cov enzymes-galactosidase (melibiase). Qhov no enzyme cleaves -1,6 daim ntawv cog lus, tso galactose thiab qabzib rau cov kab mob metabolism.
- Kev tsim cov txiaj ntsig metabolites:Lub fermentation ntawm melibiose los ntawm cov kab mob no yieldsluv-chain fatty acids (SCFAs), feem ntauacetate, propionate, thiab butyrate. SCFAs txo qis pH hauv plab, inhibit cov kab mob pathogenic, muab lub zog rau cov kab mob colonocytes, thiab siv zog tiv thaiv kab mob - mob thiab cov txiaj ntsig metabolic.
- Cov cuab yeej tshawb fawb hauv Microbiology:Melibiose yog ibsib txawv carbohydratehauv kev txheeb xyuas microbial. Piv txwv li, lub peev xwm los ferment melibiose yog ib qho kev xeem tseem ceeb kom paub qhov txawvEscherichia coli(melibiose-zoo) los ntawmSalmonellahom (feem ntau tsis zoo).
Cov txiaj ntsig tseem ceeb & Kev ua tau zoo
- Targeted Prebiotic Activity:Selectively txhawb txoj kev loj hlob ntawm cov txiaj ntsig zoo -galactosidase- tsim cov kab mob (xws li, qee yam bifidobacteria), txhawb kev noj qab haus huv plab microbiome tshuav nyiaj li cas.
- Stable & Soluble:Zoo ruaj khov nyob rau hauv ib txwm cia tej yam kev mob thiab yooj yim soluble nyob rau hauv dej, ua kom yooj yim incorporation rau hauv ntau yam kua thiab khoom formulations.
- Qab Zib:Muab kwv yees li ntawm 30-40% ntawm qhov qab zib ntawm sucrose, tso cai rau nws ua rau kom tsw tsis muaj qab zib ntau dhau hauv cov khoom noj thiab dej haus.
- Muaj nuj nqis Research Substrate:Ib qho tseem ceeb reagent rau kev kawm carbohydrate metabolism, microbial ecology, enzyme kinetics (-galactosidase), thiab ua cov pa roj carbon hauv cov kab lis kev cai xov xwm.
Cov ntawv thov tseem ceeb
| Kev lag luam/ teb | Piv txwv daim ntawv thov | Lub hom phiaj / Mechanism |
|---|---|---|
| Functional Food & Nutraceuticals | Cov tshuaj prebiotics, symbiotic formulations, functional beverages, thiab noj qab nyob zoo. | Muab cov kab mob mus rau txoj hnyuv kom xaiv cov kab mob plab uas muaj txiaj ntsig zoo, txhawb kev zom zaub mov. |
| Microbiological Research & Diagnostics | Cheebtsam ntawm kev xaiv/kev coj noj coj ua sib txawv (xws li, rauE. coli); substrate rau -galactosidase kev ntsuam xyuas. | Siv los txheeb xyuas thiab txheeb xyuas cov kab mob tshwj xeeb raws li lawv lub peev xwm los ferment melibiose. |
| Biochemical & Kev Tshawb Fawb Txog Kev Noj Qab Haus Huv | Kev tshawb fawb txog kev zom zaub mov carbohydrate, fermentable oligosaccharides, thiab plab microbiota modulation. | Ua haujlwm raws li tus qauv - txuas disaccharide los kawm txog fermentation dynamics thiab prebiotic efficiency. |
| Food Science | Kev tshawb nrhiav cov khoom siv kom txo cov suab thaj thaum tswj cov khoom ua haujlwm. | Pab txhawb rau browning (Maillard cov tshuaj tiv thaiv) thiab tuaj yeem cuam tshuam kev ntxhib los mos thiab khaws cia noo noo. |
FAQ: Cov lus nug nquag nug
Q: Puas yog Melibiose txo cov suab thaj?
A: Yog, melibiose yog txo cov suab thaj. Cov piam thaj moiety hauv cov molecule muaj cov pa roj carbon monoxide dawb (hauv daim ntawv hemiacetal), tso cai rau nws txo qis cov neeg ua haujlwm xws li Fehling cov tshuaj thiab koom nrog Maillard browning cov tshuaj tiv thaiv.
Q: Melibiose nyob qhov twg hauv cov nroj tsuag?
A: Melibiose yog ib yam khoom ntawm cov nroj tsuag aphid honeydew thiab muaj nyob rau hauv cov noob ntawm qee cov legumes. Nws kuj yog ib feem ntawm hydrolysis khoom ntawm loj -galactosides zoo li raffinose thiab stachyose.
Q: Dab tsi yog qhov sib txawv ntawm Melibiose thiab Lactose?
A: Ob leeg yog disaccharides ntawm galactose thiab qabzib, tab sis lawv cov glycosidic linkages txawv.
- Melibiose:Galactose( 1→6)Glucose
- Lactose:Galactose( 1→4)Glucose
Qhov sib txawv ntawm cov qauv no yog vim li cas lactose yog hydrolyzed los ntawm tib neeglactase, thaum melibiose tsis yog.
Q: Melibiose piv rau Raffinose lossis lwm yam prebiotics li cas?
A: Melibiose yog ib qho disaccharide, thaum raffinose yog trisaccharide (Gal-Glu-Fru). Ob leeg yog -galactosides thiab ua raws li prebiotics. Melibiose muaj cov qauv yooj yim dua, txhais tau ntau dua rau kev tshawb fawb thiab tej zaum yuav muaj ntau yam fermentation kinetics piv rau cov oligosaccharides loj.
Q: Gentiobiose yog dab tsi, thiab nws txawv li cas?
A: Gentiobiose kuj yog cov piam thaj disaccharide, tab sis nws muaj qhov sib txuas -1,6 (Glc 1 → 6 Glc). Melibiose muaj qhov sib txuas ntawm -1,6 ntawm galactose thiab qabzib. Lawv yog cov qauv isomers nrog cov khoom sib txawv biochemical thiab enzyme tshwj xeeb.
Ua tam sim no
Txhim kho koj cov khoom noj khoom haus ua haujlwm lossis ua kom koj cov kev tshawb fawb microbiological nrog peb cov hwm -qib Melibiose hmoov. Peb lav siab purity, batch-rau-batch sib xws, thiab muab tag nrho cov ntaub ntawv qhia.
Hu rau peb pab neeg muag khoom hnub no rau:
- Thov kom paub meej Daim Ntawv Pov Thawj Kev Ntsuam Xyuas (CoA).
- Sib tham txog koj daim ntawv thov tshwj xeeb thiab tau txais kev txhawb nqa tsim.
- Tau txais cov lus sib tw rau koj qhov R&D lossis kev lag luam - qhov xav tau.
Kev nqis peev hauv ib qho khoom tshwj xeeb uas txuas rau lub plab kev noj qab haus huv thiab kev tsim khoom tshiab.
Thov hu rau peb ntawmella.zhang@huilinbio-tech.com.
Cim npe nrov: melibiose hmoov, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, ntshiab, ntuj, zoo, Tshuag, kev muag
