Aminopropionic acid CAS 56-41-7

1. Taw qhia

Aminopropionic Acid, tseem hu ua Alanine, yog chav tsev ntawm cov protein thiab ib qho ntawm 20 amino acids uas ua rau tib neeg cov protein; nws kuj yog ib qho tsis tseem ceeb amino acid uas pab lub cev hloov cov piam thaj rau hauv lub zog. Nws muaj ob isomers, -alanine thiab -alanine; Raws li kev ua haujlwm kho qhov muag, nws tau muab faib ua L-alanine thiab D-alanine.

L-alanine yog ib qho amino acid nrog tshwj xeeb umami thiab qab zib saj, uas tuaj yeem txhim kho cov khoom noj muaj txiaj ntsig zoo thiab txhim kho qhov tsw ntawm cov zaub mov. Nws yog dav siv nyob rau hauv ntau yam khoom noj thiab compound seasonings.

2. Lub luag haujlwm tseem ceeb

2.1 Cov txiaj ntsig ntawm kev txhim kho umami

Aminopropionic acid tau siv rau hauv cov cawv txiv hmab, uas tuaj yeem ua rau muaj zog aroma thiab qab zib ntawm cawv. Thaum L-alanine siv ua ke nrog lwm cov seasonings, nws tuaj yeem nthuav tawm cov saj zoo dua, thiab tib lub sijhawm, nws tuaj yeem npog qhov tsis zoo ntawm lwm cov seasonings, ua rau cov khoom xyaw qab dua. Piv txwv li, ua kom cov concentration ntawm alanine nyob rau hauv cov poov xab extract yuav pom tseeb reconcile lub astringency, ua kom nws muaj zog thiab qab ntxiag, thiab txawm coj tawm lub tsw thaum xub thawj muab zais nyob rau hauv cov poov xab extract.

2.2 Tshem tawm ntsev thiab qaub saj

L-alanine muaj cov yam ntxwv ntawm alleviating salty saj, uas tuaj yeem txo qhov tsis qab ntsev saj ntawm cov khoom qab zib nws tus kheej, kho cov qab ntsev thaum ua rau lub umami saj ntawm cov zaub mov, thiab ua zaub mov qab dua. L-alanine muaj cov yam ntxwv ntawm neutralizing cov kua qaub thiab ua kom cov qaub saj ntawm cov zaub mov thaum pH nqi ntawm vinegar thiab citric acid tsis hloov ntau. Qhov no yog txhawm rau tshem tawm cov qaub saj los ntawm kev ua haujlwm ntawm L-alanine. , feem ntau hu ua "moderate qaub saj".

2.3 Qhov cuam tshuam rau cov khoom qab zib

L-alanine yog ib qho amino acid uas muaj zog qab zib, 1.2 npaug ntawm qab zib li sucrose. L-alanine thiab cov khoom qab zib kuj ua rau ib leeg. Hauv cov khoom qab zib xws li taum paste ncuav mog qab zib, L-alanine tuaj yeem muab cov khoom qab zib muaj zog rau cov khoom noj no, ua rau lawv muag, qab zib thiab ua kom muaj zog. Alanine tuaj yeem txhim kho cov txiaj ntsig ntawm cov tshuaj seasonings, txo qhov tsis zoo tom qab saj ntawm cov khoom qab zib, thiab txhim kho qhov iab thiab astringency ntawm high-siv sweeteners.

2.4 Txhim kho qhov persistence ntawm saj

Raws li tib neeg kev txhawj xeeb txog kev noj qab haus huv nce ntxiv, ntau tus neeg kuj tseem txhawb kev noj zaub mov zoo. Qhov sib ntxiv ntawm L-alanine rau cov khoom noj me me no txhim kho qhov tsw qab, ua rau cov zaub mov tsis zoo thiab tsis zoo dua li dej, ua rau nws cov khoom noj qab haus huv nrog lub hnub nyoog laus. Alanine nrog tus nqi tseem ceeb ntawm 0.

2.5 Dilute unpleasant saj hauv zaub mov

Aminopropionic acid muaj cov nyhuv ntawm kev tshem tawm cov ntxhiab tsw phem. Ntxiv 0.2 feem pua ​​-1 feem pua ​​alanine rau soymilk lossis zaub kua txiv tuaj yeem txo qhov tsis hnov ​​​​tsw tsw thiab ua kom saj zoo dua thiab siv tau ntau dua.

Tsis tas li ntawd, L-alanine tseem tuaj yeem tiv thaiv kev laus ntawm sparkling caw, txo cov ntxhiab ntawm cov poov xab, thiab ua kom lub tsw ntawm sparkling thiab fermented wine ntau mellow; Nws tuaj yeem txo qhov astringency thiab tsw ntawm chitosan, tannin, catechin, thiab lwm yam. Astringent saj, nrog rau cov pungent saj tshwj xeeb rau alkaline xws li sodium hydrocarbonate thiab plhaub calcium. Tsis tas li ntawd, nws tuaj yeem txo qhov iab ntawm citrus dej haus xws li kua txiv hmab txiv ntoo thiab kua txiv kab ntxwv, thiab iab ntawm cov amino acids sib txawv xws li L-valine thiab L-isoleucine.

2.6 L-alanine muaj ntau yam kev siv hauv kev lag luam kws tshuaj. Nws yog ib qho ntawm cov khoom noj khoom haus ntxiv "Amino Acid Nutrient Infusion", uas tuaj yeem txo kev haus cawv, poob phaus, txhim khu kev nco thiab kev kawm muaj peev xwm, thiab lwm yam khoom siv raw.

2.7 Hauv kev lag luam pub, L-alanine, raws li cov amino acid xav tau los ntawm lub cev, muaj qee yam kev ua haujlwm ntawm lub cev thiab qhov tseem ceeb ntawm lub voj voog visceral nitrogen ntawm cov tsiaj hluas, thiab ua lub luag haujlwm tseem ceeb hauv cov amino acid metabolism ntawm cov tsiaj. Nws muaj cov txiaj ntsig ntawm kev txhim kho kev tiv thaiv kab mob thiab tsim cov suab thaj, thiab feem ntau yog siv los ua ib qho kev nthuav qhia pub rau noj, uas tuaj yeem txhawb cov tsiaj loj hlob, txo kev ntxhov siab thiab tiv thaiv kab mob.

3. Cov ntawv thov

Aminopropionic acid yog dav siv nyob rau hauv cov zaub mov, tshuaj thiab pub kev lag luam.

4. Flow Chart

L-aspartic acid [immobilized aspartate -decarboxylase (decarboxylation)] → [37 degree , pH6.0] decarboxylation [concentration, crystallization] → [txo qis, 5 degree] crystallization [refinement] → [ 5 degree ] L -alanine crude khoom → purification → tiav cov khoom

5. Tus Qauv Zoo

6. Txoj Kev Xeem

MOA muaj nyob rau thaum thov.

7. Reference Spectrum

8. Kev ruaj ntseg thiab kev nyab xeeb

Kev ruaj ntseg:
Nyob ruaj khov nyob rau hauv cov xwm txheej zoo (chav kub). Cov Ntaub Ntawv Kev ruaj ntseg muaj nyob rau ntawm koj qhov kev thov.
Kev nyab xeeb:
Raws li GARS (Feem ntau Pom Zoo Raws Li Kev Nyab Xeeb) Daim Ntawv Ceeb Toom ntawm Teb Chaws Asmeskas, nws muaj kev nyab xeeb rau tib neeg siv.

9. Cov neeg siv lus pom

10.Peb Daim Ntawv Pov Thawj

11.Peb cov neeg muas zaub

12. Exhibitions

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