Cov khoom lag luam
Levan, uas muaj molecular cov mis ntawm c₁₈h₃₂o₁₆, qhov hnyav molecular phaus ntawm 504.4, yog ib qho kab ke ntawm {2}}, yog ib qho linear lossis branched polymer muaj cov fructose.
Levan feem ntau yog hmoov dawb. Nws yog yooj yim soluble hauv dej thiab muaj qhov tsis tshua muaj viscosity nyob rau hauv aqueous kev daws, zoo ib yam li cov khoom ntawm cov pos hniav Arabic. Txawm li cas los xij, nws yog insoluble hauv ethanol nrog kev xav ntawm ntau dua 65%% thiab yog dextrorotatory.
Cov ntaub ntawv yooj yim
| Khoom npe: | Lus xov |
| CAS: | 9013-95-0 |
| Mf: | C18H32O16 |
| Mw: | 504.43708 |
| Einecs: | 1308068-626-2 |
Qhov chaw thiab faib
Levan yog nthuav dav nyob rau hauv Temperate thiab Subtem ua kom zoo nkauj tshuaj ntsuab thiab cov nyom, xws li cov kab mob, thiab lwm yam - thiab tuaj yeem tsim cov roj av.
Kev siv
Kev Lag Luam Khoom Noj:Levan tau siv dav ua lub thickener, stabilizer, tus neeg sawv cev rau cov khoom noj khoom haus cov khoom noj khoom haus xws li cov khoom noj mis, thiab dej haus rau txhim kho kev ntxhib los mos, saj, thiab kev ruaj khov. Ua ib qho emulsifier thiab npuas lub stabilizer, nws txhim kho cov zaub mov zoo thiab lub neej ntev ntev. Ib qho ntxiv, nws yog siv rau kev tsim cov khoom tsawg-calorie, tsawg-qab zib, thiab cov zaub mov muaj fiber ntau.
Kev teb Medical:Lev k ua haujlwm ua cov kws kho yeeb tshuaj, txhim kho cov tshuaj ruaj khov thiab bioavailability. Qee lub cev tsis muaj zog nrog kev ua haujlwm immunomodulatory tuaj yeem tsim mus rau hauv immunopotentorsors. Levan kuj muaj txiaj ntsig zoo rau kev kho thiab tiv thaiv cov kab mob hnyuv tshuaj xws li cem quav, zawv plab, thiab mob plab hnyuv.
Ua liaj ua teb teb:Levan ua raws li cov nroj tsuag kev tswj hwm kev tswj hwm, txhawb kev loj hlob, kev loj hlob, thiab kev ntxhov siab tsis kam rau cov nroj tsuag. Nws kuj yog siv rau kev txhim kho av, txhim kho fertility thiab dej khaws cia.
Tuam txhab tau
Gnechem, nyob hauv Henan xeev, Suav teb, yog ib feem ntawm cov pab pawg Gnee, nrog 22 xyoo kev ua haujlwm zoo rau cov neeg siv khoom lag luam thoob ntiaj teb. Peb muab cov khoom siv raw tshuaj muaj kuab lom thiab tshuaj lom neeg tshwj xeeb rau ntau yam kev muaj peev xwm hauv tsev thiab txawv teb chaws, ua rau peb ib tus neeg ntseeg siab.
Cov FAQ
1. Kuv yuav tau txais tus nqi li cas?
-Peb feem ntau hais nyob rau hauv 24 teev ntawm tau txais koj qhov kev nug (tsis suav nrog hnub so thiab hnub so).
-Yog koj xav tau tus nqi hloov mus, thov hu rau peb txhais tau tias peb tuaj yeem hais lus rau koj.
2.What koj lub sijhawm khoom xa tuaj?
-It nyob ntawm tus naj npawb ntawm kev txiav txim thiab lub caij uas koj tso koj daim ntawv xaj.
-Usually, kev txiav txim tuaj yeem xa tawm tsis pub dhau 7-15 hnub rau cov xaj me thiab 25 hnub rau xaj loj.
3. Dab tsi yog tus qauv thauj khoom?
-Yog tuaj yeem nkoj los ntawm hiav txwv, huab cua, lossis nthuav qhia (EMS, UPS, DHL, TNT, FedEx, thiab lwm yam).
Cim npe nrov: CAS: {{{9013-95-0 丨 Levan, Tuam Txhab Levan, Tuam Txhab Sim: {{{1} {{{{{{{{{{{1} {{{{{1} {{{{{{1} {
