Thaum koj xav txog xiav, tej zaum koj yuav xav txog lub hiav txwv ntxhib, saib lub ntuj xiav tranquil, xav txog lub Jiangnan scenery qhov twg "lub hnub sawv thiab paj liab li hluav taws, thiab thaum lub caij nplooj ntoos hlav tuaj tus dej yog ntsuab li ntsuab. xiav”, tej zaum koj yuav hnov Han Yu's "Qhov twg yog huab thoob plaws lub roob Qinling?" Qhov kev tu siab ntawm tus phab ej poob nws txoj kev yog qhia nyob rau hauv "daus embraces xiav thiab tus nees nres mus rau pem hauv ntej"... Xiav yog tranquil, melancholy, calm thiab elegant. Niaj hnub no peb tab tom yuav nyiam cov xim xiav hauv qhov xwm txheej -phycocyanin.
Raws li peb txhua tus paub, peb lub ntsiab xim hauv qhov xwm txheej yog liab, daj, thiab xiav. Xiav tau txais txiaj ntsig nrog ntau lub ntsiab lus thiab tseem yog lub zog tseem ceeb hauv kev sib xyaw ntau yam ntxoov ntxoo. Ntuj xiav pigments tsis tshua muaj nyob rau hauv qhov. Nws tsis yog ib qho yooj yim mus nrhiav tau ib qho kev nyab xeeb thiab txhim khu kev qha ntuj xiav raw khoom uas tuaj yeem siv rau hauv kev lag luam khoom noj. Cov xim xiav tam sim no tso cai siv rau hauv "National Food Safety Standards" muaj xws li ci ntsa iab xiav, algae xiav, gardenia xiav, thiab lwm yam. Ntawm lawv, ci ntsa iab xiav thiab algal xiav kuj tau siv dav.
Xim xiav
Brilliant Blue, tseem hu ua Edible Cyan No. 1 thiab Edible Blue No. 2, yog dej-soluble non-azo colorant. Nws yog ib qho organic compound nrog ib tug molecular mis ntawm C37H34N2Na2O9S3 thiab ib tug txheeb ze molecular loj ntawm 792.84. Brilliant xiav yog ib qho xim xiav edible. Nws yog cov xim hluavtaws thiab cov dej-soluble uas tsis yog azo zaub mov additive. Nws yog tsim los ntawm benzaldehyde o-sulfonic acid thiab N-ethyl-N-(3-sulfobenzyl)-aniline. Ua los ntawm condensation thiab oxidation. Nws tuaj yeem siv ua xim xim hauv cov khoom noj, tshuaj, tshuaj pleev ib ce thiab lwm yam lag luam. Hauv kev lag luam khoom noj khoom haus, nws yog qhov tsim nyog rau xim ncuav qab zib, khoom qab zib, dej haus, thiab lwm yam. Lub sij hawm ntev thiab kev noj ntau dhau yuav muaj kev cuam tshuam rau lub cev. Raws li kev soj ntsuam, tib neeg lub cev tau txais kev tso cai txhua hnub yog 0-12.5mg / kg. Kev noj ntau dhau tuaj yeem ua rau muaj kev tsis haum, plab zom mov, tsis muaj concentration, mob qog noj ntshav thiab lwm yam kev pheej hmoo. Kev sim tau pom tias qhov kev hloov pauv ntawm qhov kub thiab txias tsis tshua muaj kev cuam tshuam rau kev ruaj ntseg ntawm lub teeb xiav, thiab nws muaj qhov kub zoo, nrog rau qhov kub siab tshaj plaws ntawm 283 degrees. Hauv Suav teb, feem ntau cov zaub mov kev lag luam yuav xaiv xiav xiav vim nws tus nqi qis, muaj zog tinting zog thiab zoo stability. Txawm hais tias tus nqi ntxiv tsis loj, kev haus nws dhau sijhawm tseem yuav muaj kev cuam tshuam rau lub cev.
Qhov chaw ntawmPhycocyanin
Phycocyanin yog cov hmoov xiav tsaus uas cais tawm ntawm spirulina. Nws yog ib qho tseem ceeb ua haujlwm protein nyob rau hauv spirulina, accounting rau 20% ntawm lub hauv paus qhuav ntawm spirulina. Feem ntau pom nyob rau hauv cyanobacteria, liab algae thiab cryptophytes. Phycocyanin kuj feem ntau muab faib ua C-phycocyanin thiab R-phycocyanin. Nws tsis yog tsuas yog cov protein, tab sis kuj yog cov khoom noj khoom haus zoo tshaj plaws thiab cov zaub mov zoo. Nws yog yooj yim soluble nyob rau hauv dej, fluorescent, thiab yog ib tug ntuj xiav pigment lees paub los ntawm US FDA.
Phycocyanin yog nplua nuj nyob rau hauv high-zoo proteins thiab 8 hom amino acids xav tau los ntawm tib neeg lub cev. Nws yog ib qho micronutrient uas yooj yim rau tib neeg lub cev kom paub txog thiab nqus tau. Nws muaj cov khoom noj muaj txiaj ntsig zoo heev, yog li nws yog lub npe hu ua "pob zeb diamond khoom noj".
Phycocyanin yog ib qho protein molecule pom nyob rau hauv cyanobacteria thiab algae. Nws cov qauv qauv muaj plaub lub xim xiav xim ua ib lub nplhaib loj. Txhua pawg pigment muaj ib lub nplhaib xiav benzopyrrole thiab lub nplhaib ntsuab pyrrole. Cov plaub pawg pigment no txuas nrog lwm cov protein seem los ntawm pawg carboxyl ntawm lub nplhaib benzene. Tag nrho cov molecule yog disk-puab thiab tuaj yeem nqus tau ntev wavelengths ntawm lub teeb. Phycocyanin hmoov cov khoom lag luam muaj qhov ruaj khov thiab tuaj yeem khaws cia rau hauv lub thawv kaw ntawm chav tsev kub. Cov khoom ua kua yaj yuav tsis ruaj khov yog tias nws siab tshaj 60 degrees Celsius.
Ntau tus phooj ywg yog nquag fading thaum ua cov khoom. Tej zaum nws yuav yog vim qhov kub thiab txias, uas ua rau phycocyanin tsis ruaj khov. Tsis tas li ntawd, oxidation tuaj yeem ua rau phycocyanin hloov xim, uas ruaj khov nyob rau hauv cov kua qaub tsis muaj zog thiab nruab nrab (PH4 .5-8), nag lossis daus tshwm sim thaum nws yog acidic (PH
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Post lub sij hawm: Apr-02-2024
