Thawj cov ntsiab lus tsim los ntawm tus txiv neej: vanillin
Vanillin yog thawj cov tshuaj tsw qab uas tau tsim los ntawm tib neeg, thiab tau ua tiav los ntawm Dr. M. Hallmann thiab Dr. G. Theyman hauv lub teb chaws Yelemees xyoo 1874. Nws feem ntau muab faib ua methyl vanillin thiab ethyl vanillin.
Vanillin feem ntau hu ua vanilla hmoov, vanillin, vanillin hmoov, vanillin hmoov, vanilla extract, vanillin, ib qho tseem ceeb txuj lom muab rho tawm los ntawm ruticaceae cog vanilla taum, yog ib qho ntawm cov khoom tsim ntau yam ntawm cov txuj lom hluavtaws, yog kev npaj ntawm chocolate, dej khov. cream, zom cov pos hniav, pastry thiab haus luam yeeb tsw tseem ceeb raw cov ntaub ntawv. Nws tshwm sim nyob rau hauv vanilla pods, nrog rau cov roj clove, oak moss roj, balsam ntawm Peru, balsam ntawm Tolu, thiab balsam ntawm Benzoin.
Vanillin muaj zog thiab tshwj xeeb vanillin aroma, uas yog ruaj khov thiab tsis volatile ntawm kub dua. Nws yog yooj yim cuam tshuam los ntawm lub teeb, maj mam oxidized nyob rau hauv cov huab cua, thiab yooj yim discolored los ntawm alkali los yog alkaline tshuaj. Cov tshuaj aqueous reacts nrog ferric chloride los tsim cov tshuaj xiav-ntsuab. Nws tuaj yeem siv tau ntau yam tshuaj tsw qab txhua hnub, tab sis feem ntau yog siv hauv cov khoom noj khoom haus. Tshwj xeeb tshaj yog nyob rau hauv khoom qab zib, qhob noom xim kasfes, dej haus, ice cream, cawv yog lug siv nyob rau hauv haus luam yeeb tsw kuj yog heev pab tau. IFRA tsis muaj kev txwv. Txawm li cas los xij, vim qhov yooj yim discoloration, nws yuav tsum tau sau tseg thaum siv cov khoom siv dawb.
Vanillin kuj yog ib qho tseem ceeb ntawm cov txuj lom, raws li lub hauv paus txuj lom, yuav luag siv nyob rau hauv tag nrho cov flavors, ib tug loj tus naj npawb ntawm siv nyob rau hauv cov zaub mov kev lag luam, raws li ib tug zaub mov tsw lug siv nyob rau hauv qhob cij, cream, ice cream, brandy, thiab lwm yam, nyob rau hauv pastries. , ncuav qab zib ntxiv yog 0.01 ~ 0.04%, khoom qab zib yog 0.02 ~ 0.08%. Nws yog ib qho ntawm cov txuj lom siv tshaj plaws hauv cov khoom ci thiab tuaj yeem siv rau hauv chocolate, ncuav qab zib, ncuav mog qab zib, paj npleg thiab ice cream. Dissolve hauv dej sov ua ntej siv kom tau txais txiaj ntsig zoo dua. Kev siv siab tshaj plaws yog 220mg / kg rau cov khoom ci thiab 970mg / kg rau chocolate. Nws yog dav siv nyob rau hauv cov tshuaj pleev ib ce fragrances li kho tus neeg saib xyuas, coordinating tus neeg saib xyuas thiab modulator. Nws kuj yog ib qho tseem ceeb tsw enhancer rau dej haus thiab zaub mov. Nws kuj tseem siv rau hauv kev tsim cov tshuaj L-dopa (L-DOPA), methyldopa thiab lwm yam. Kuj tseem siv tau ua npib tsib xee, chromium hlau plating brightener.
