1, cov lus pom zoo
Lub tshuaj ethanol ntawm cov xim ntawm cov xim Ib qho qauv yuav tsum yog daj dawb thiab muaj lub teeb ntsuab fluorescence; Yog hais tias tus ethanol extract ntxiv rau concentrated sulfuric acid, lub tob purplish liab xim yog ua. Xim Txhim Kho B Cov kua dej aqueous los sis dilute ethanol tov ntawm cov qauv tau kho nrog hydrochloric acid kom txog thaum nws pib ua ib me ntsis txiv kab ntxwv.
Cov dej sib tov tau muab faib ua ob feem, thiab ib qho me me ntawm boric acid hmoov los yog siv lead ua tau los ntxiv rau ib qho, thiab nws cov xim nws ho reddened piv rau qhov tsis muaj boric acid. Nws tseem tuaj yeem ua rau ob peb daim ntawm cov ntawv lim dej hauv ib qho kev daws cov pigment hauv ethanol, qhuav ntawm 100 ° C, thiab tom qab ntawd ces ntub nrog cov tshuaj kua dej ntawm boric acid (nrog ob peb tee dej ntawm hydrochloric acid). Nws yuav tsum yog xim liab tom qab ziab.
2, chromatography
Siv 5 ml ntawm kev sim tshuaj (0.01 g coj mus kuaj hauv 1 mL ntawm 95% ethanol) thiab poob rau nyias txheej chromatography (microcrystalline cellulose, 0.1 hli) thiab muab tso rau hauv 3-methyl-1-butanol / ethanol / dej / Nyob rau hauv lub tank ntawm ammonia (4: 4: 2: 1) sib tov, qhov hnyav pem hauv ntej ntug yog tsa los ntawm 10 mus rau 15 cm. Tom qab ib hnub thiab hmo ntuj, nws tau pom nyob rau hauv ultraviolet teeb: muaj peb daj me ntsis nrog Rf ntawm 0.2 thiab 0.4; rau lwm qhov chaw muaj ib qho Rf ntawm 0.6 rau 0.8; tag nrho cov me nyuam pom daj fluorescence nyob rau hauv ultraviolet lub teeb. 6.95% ethanol tov muaj qhov siab tshaj plaws haum siab ntawm 425 nm.
Curcumin cev kua
Shaanxi Undersun Biomedical Technology Co., Ltd. Raws li lub ntuj curcumin, curcumin, txij li thaum 2005, curcumin tus nqi lwm tus neeg thiab cov kws manufacturers ntawm herbal extracts thiab cov khoom siv tshuaj. Lawv tsom mus rau kev tshawb fawb thiab kev tsim ntawm cov tshuaj thiab lwm yam khoom siv. Peb cov khoom purity siab ua cov khoom xyaw yog kuaj HPLC, GC, UV. Yog tias koj xav yuav lub ntuj curcumin thiab ua ke curcumin 98%, thov koj xav tiv tauj peb los sis xa email rau herbext@undersun.com.cn
