Txoj kev tshawb no ntawm Baicalin (ib feem ob)

Txoj kev tshawb no ntawm Baicalin (ib feem ob)

Lub ntsiab extraction ntawm baicalin yog dej extraction acid degradation, solvent extraction method, microwave extraction method, supercritical extraction method, enzymatic hydrolysis txujci, thiab lwm yam.

Dej ntub dej tawm hauv dej:

Baicalin muaj cov yam ntxwv ntawm kev sib hloov hauv alkaline thiab acidic kua. Tus txheej txheem ntawm baicalin extraction los ntawm Scutellaria baicalensis Georgi yog raws li nram no: dej decoction ntawm Radix Scutellariae 2 lub sij hawm, pom, muab cov kua qaub los hloov pH1 ~ 2,80 degrees ntawm kev txuag heat, static 24h, pom. Lub precipitate yog tov nrog dej ua rau kev ncua, thiab alkali yog kho los ntawm pH7 rau 7.5 kom yaj, thiab ces cov dej sib tov yog stirred nrog ethanol. Lub crystallization ntawm baicalin tau los ntawm kev muab cov kua qaub rau pH1 ~ 2,80. Cov txheej txheem muaj qhov zoo ntawm kev siv lub zog loj, kev lag luam thiab nqi siab.

Hnyav extraction:

Cov txheej txheem ntawm bivalve tau zoo heev thaum 60% ethanol yog siv los hnyav thiab piv nrog dej ua hnyav.

Tus mob ntawm cawv extraction tau raws li nram no: Lub sij hawm rov qab yog 3h, refluxing 2 zaug, 8 lub sij hawm ntawm hnyav thiab 60% ethanol.

Kitazaki Hironori (Nyiv) rau lub tuam txhab patent qhia txog peb cov butyl phosphate thiab TRI-N-OCTYLPHOSPHINE oxide hnyav xyaw xaiv los ntawm Scutellaria baicalensis ib txoj kev ntawm baicalin, cov txheej txheem extraction ntawm chav tsev kub, lub extraction tus nqi txog li 90%.

Microwave extraction txoj kev:

Microwave yog ib hom ultra siab electromagnetic yoj, uas muaj ib qho muaj zog tob tob. Nws muaj peev xwm ua kom sov so hauv thiab sab nrauv hauv cov lam tshuaj, uas zoo heev txhawb cov leaching ntawm cov khoom xyaw hauv suav tshuaj suav tshuaj

Txoj kev zoo tshaj plaws yog raws li nram no: cov khoom siv ntawm Scutellaria baicalensis yog crushed nrog 200 meshes, qhov hnyav yog 60% ethanol tov, thiab lub sij hawm microwave hluav taws xob yog 8min. Guo Zhenku [22] ntawm qhov pom tias nyob hauv 70% microwave zog (siab tshaj plaws microwave zog 850 watts) nyob rau hauv qhov mob ntawm microwave extraction hnyav yog 35% ethanol, 30 lub sij hawm tus nqi hnyav, extraction siab 0.15MPa, lub sij hawm tas mus li 30s, yuav ua tau zoo dua extraction tus nqi ntawm Baicalin

Supercritical extraction txoj kev:

Supercritical fluid extraction technology yog ua raws li cov kua hauv kev ua haujlwm hauv supercritical raws li cov txheej txheem kev sib xyaw kom sib xyaw nrog high permeability thiab cov kua muaj cov kua ntau dua, nrog lub sij hawm luv luv, extraction tus nqi siab, tsawg khiav lag luam thiab conducive rau heat sensitive thiab yooj yim oxidized bioactive cov khoom thiab khaws kev zoo av zoo

Enzymatic hydrolysis:

Zhang muab tshem tawm thiab lim huv baicalein los ntawm cov hauv paus tshiab ntawm Scutellaria baicalensis Georgi, thiab ces hydrolyzed lub beta 2D glucuronide nyiaj nyob rau hauv baicalin, thiab thaum kawg tsim baicalin.

Nyob rau hauv kev tshawb ntawm extracting baicalin nrog cellulase, nws tau pom tias tus yield ntawm baicalin poob tom qab enzymatic hydrolysis nrog cellulase, thiab yog vim li cas yog tias cellulase hydrolyzed baicalin nyob rau hauv tus txheej txheem ntawm extraction.

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