Dab tsi yog qhov txawv ntawm hluavtaws thiab ntuj vanillin?

Vanillinfeem ntau muaj nyob rau hauv cov nroj tsuag ntuj vanilla thiab yog ib qho ntawm cov txuj lom tseem ceeb tshaj plaws hauv ntiaj teb. Cov muaju ntawm vanillin yog cov koob dawb nrog lub cim aroma ntawm vanilla pods. Nws yog me ntsis soluble hauv dej txias thiab yooj yim soluble hauv dej kub, ethanol, ether, chloroform thiab kub volatile roj. Nws cov qauv tshuaj yog:

Qhov tshwj xeeb aroma ntawm vanillin ua rau nws siv dav hauv ntau lub teb. Vanillin feem ntau yog siv hauv kev lag luam khoom noj. Nws yog ib qho tseem ceeb ntawm cov khoom siv flavoring rau high-end zaub mov. Nws tseem ua lub luag haujlwm tseem ceeb hauv cov khoom qab zib, dej haus thiab kev lag luam tshuaj. Lub ntiaj teb xav tau tshaj 16,000 tons hauv ib xyoos.

Muaj ob hom vanillin muaj nyob rau hauv kev ua lag luam - hluavtaws vanillin thiab natural vanillin.Chemically synthesized vanillin nyob rau hauv cov khoom ntau dua li qhov xav tau thiab muaj tus nqi qis dua. Hom vanillin no tsis tsuas yog muaj ib qho tsw xwb, tab sis kuj muaj cov pa phem loj thaum lub sij hawm tsim cov txheej txheem synthesis thiab tsis tsim nyog rau tib neeg.

Ntuj vanillin feem ntau yog muab rho tawm los ntawm ntuj vanilla, tab sis thaj chaw cog ntawm vanilla yog txwv, cov txiaj ntsig tau cuam tshuam los ntawm kev nyab xeeb, thiab kev siv zog ntau. Tus nqi ntawm ntuj vanillin yog kim heev, txog 300 npaug ntawm hluavtaws vanillin.

Txoj kev zoo tshaj plaws biosynthesis tam sim no muaj qhov zoo ntawm cov khoom siv ntuj tsim thiab pheej yig, huv thiab tsis muaj kuab lom cov txheej txheem tsim khoom, ceev thiab siv tau zoo, thiab lwm yam. Kev siv biotechnology (microbial transformation method) los ua natural vanillin tau dhau los ua cov channel tshiab tsim nyog. kev txhawb nqa.

Cov ntaub ntawv qhia tias muaj ntau txoj hauv kev los npaj vanillin los ntawm cov tshuaj synthesis, feem ntau suav nrog txoj kev conifer glycoside, lignin method, safrole method, eugenol method, p-hydroxybenzaldehyde method, p-cresol method, guaiacol method, electrolytic oxidation method, etc.

Tshuaj synthesis yeej ib txwm yog cov txheej txheem tseem ceeb ntawm vanillin. Txoj kev glyoxylic acid yog txoj hauv kev tseem ceeb rau kev tsim khoom ntawm vanillin vim nws qhov dav ntawm cov khoom siv raw, yooj yim los tswj cov txheej txheem, siab tawm los thiab tsis muaj kuab lom. Yuav ua li cas los txhim kho lub condensation tawm los ntawm guaiacol thiab glyoxylic acid thiab xaiv oxidation catalysts zoo dua yuav tsum tau tshawb fawb ntxiv.

Nyob rau tib lub sijhawm, cov txheej txheem tshuaj synthesis feem ntau kuj muaj cov yam ntxwv ntawm cov khoom lag luam nyuaj, cov txheej txheem siab muaj kuab paug, thiab cov khoom tsis zoo. Yog li ntawd, rau cov txheej txheem tshuaj synthesis, seb puas muaj kev ua qias tuaj tsawg thiab siab-purity txoj kev haum rau industrialization tuaj yeem tsim los txiav txim seb nws puas yuav muaj cov ntawv thov tseem ceeb hauv Suav teb.

Vanillin yog dav nyob rau hauv tej yam ntuj tso nroj tsuag nyob rau hauv daim ntawv ntawm dawb lub xeev thiab glucoside, tshwj xeeb tshaj yog nyob rau hauv vanilla taum, nrog rau cov ntsiab lus ntawm txog 20 g / kg (qhuav qhuav). Lub ntiaj teb cov chaw tsim khoom vanilla tam sim no feem ntau yog nyob hauv cov teb chaws lossis thaj chaw xws li Madagascar, Indonesia, Comoros, Liouanni, Uganda, Mexico thiab Tahiti. Cov khoom sib sib zog nqus ntawm vanilla yog feem ntau vanilla extracts, uas yog lim. Txoj kev no yog kim, siv sij hawm, thiab cov kuab tshuaj yuav nyob twj ywm.

Txoj kev rho tawm cov nroj tsuag muaj nws tus kheej zoo, thiab vanillin muab rho tawm los ntawm cov nroj tsuag vanilla yog ntuj, tab sis vim muaj qhov txwv tsis pub cog ntawm vanilla, cov qoob loo cuam tshuam zoo heev los ntawm huab cua, thiab kev siv zog ntawm kev cog qoob loo thiab kev ua haujlwm yog siab dhau lawm, lub ntuj vanillin tsim nyob deb ntawm kev ua lag luam xav tau.

Cov txheej txheem biotransformation tseem ceeb suav nrog cov txheej txheem cog cell kab lis kev cai, enzyme transformation method thiab microbial transformation method.

Muab hais tias vanillin tau siv dav hauv kev lag luam khoom noj, txawm tias nws yog ntuj thiab noj qab haus huv tau nyiam ntau tus neeg siv khoom. Vanillin ua los ntawm microbial transformation siv cov ntaub ntawv raw li substrates thiab biotechnology tau lees paub tias yog ntuj vanillin los ntawm cov kev cai ntawm cov zaub mov hauv Tebchaws Europe thiab Tebchaws Meskas.

Cov substrates rau kev tsim vanillin siv microbial transformation feem ntau yog eugenol thiab ferulic acid.

Hauv kev lag luam, eugenol feem ntau yog muab rho tawm los ntawm cov roj yam tseem ceeb xws li roj clove, thiab tus nqi qis, txog US $ 5 ib kilogram; Txawm li cas los xij, eugenol muaj qee yam tshuaj lom rau cov kab mob thiab yuav inhibit qhov kev loj hlob thiab cov metabolism ntawm cov kab mob.

Ferulic acid muaj ntau nyob rau hauv cov xwm, pheej yig thiab yooj yim kom tau, tsis muaj tshuaj lom rau cov kab mob, thiab cov tawm los ntawm synthesizing vanillin siv nws raws li ib tug substrate kuj siab, ua rau nws zoo tagnrho raw khoom.

Ntawm ntau hom vanillin ntau lawm, tsuas yog ob peb tus tuaj yeem ncav cuag qib kev lag luam. Txij li thaum vanillin yog ib qho inhibitor rau cov kab mob, feem ntau cov kab mob tsis tuaj yeem zam qhov siab ntawm vanillin, lossis qee hom kab mob muaj cov kab mob hauv nruab nrab rau vanillin uas yuav txuas ntxiv mus degrade cov vanillin generated, thaum kawg ua rau cov txiaj ntsig qis ntawm vanillin. Tam sim no, tsuas yog ntau hom kab mob ntawm ob hom Amycolatopsis thiab Streptomyces tuaj yeem hloov cov substrate ferulic acid rau hauv cov txiaj ntsig siab dua ntawm ntuj vanillin, uas tuaj yeem siv rau hauv kev tsim khoom.

Ntuj vanillin

• Daim ntawv thov thaj chaw: Feem ntau yog siv rau hauv high-end zaub mov, tshuaj, tshuaj pleev ib ce thiab lwm yam, tshwj xeeb tshaj yog cov khoom uas ua raws li ntuj, noj qab haus huv thiab high-end zoo.
• Nta: Nws muaj lub ntuj aroma thiab saj, uas tuaj yeem ua tau raws li cov neeg siv khoom xav tau kev noj qab haus huv thiab zoo. Txawm li cas los xij, vim nws cov nqi siab, tus nqi kuj tseem kim.

Synthetic vanillin

• Kev siv thaj chaw: Siv dav hauv cov khoom noj, tshuaj, kev lag luam tshuaj txhua hnub thiab lwm yam kev lag luam, tshwj xeeb tshaj yog nyob rau hauv cov khoom uas yuav tsum tau muaj ntau ntawm vanillin, xws li chocolate, khoom qab zib, ice cream thiab lwm yam khoom qab zib.
• Nta: Tus nqi qis thiab tuaj yeem ua tau raws li qhov xav tau ntawm aroma thiab saj ntawm cov khoom siv dav dav. Txawm li cas los xij, kev noj cov tshuaj vanillin ntau dhau tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv, xws li mob taub hau, xeev siab thiab ntuav.

Hauv cov ntsiab lus, muaj qhov sib txawv pom tseeb hauv cov txheej txheem thiab kev siv ntawm ntuj vanillin thiab hluavtaws vanillin. Thaum xaiv siv, koj yuav tsum ntsuas thiab xaiv raws li cov kev xav tau tshwj xeeb thiab cov yam ntxwv ntawm cov khoom.

Ntuj Vanillin ua los ntawm HSF Biotech txais kev hloov pauv bio.Nws yog tau los ntawm tej yam ntuj tso ferulic acid muab tau los ntawm mov bran roj los ntawm microbial transformation thiab coj mus extraction thiab crystallization txheej txheem. Lub voj voog luv luv, tawm los yog siab, thiab muaj kuab paug tsawg. Tom qab optimizing lub fermentation tej yam kev mob, qhov zoo tau mus txog thoob ntiaj teb cov qauv.

Synthetic Vanillin, muab los ntawm HSF yog raws li R&D innovation, muab rau koj los ntawm ntau yam kev siv thev naus laus zis, kom ntseeg tau zoo. Nws tau raug xa tawm mus rau lub teb chaws thoob plaws ntiaj teb thiab siv ntau yam.

Yog xav paub ntxiv, thov hu rau peb:

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