Curcumin |458-37-7 : kuv
Khoom Description
Curcumin yog tus tseem ceeb curcuminoid ntawm Indian txuj lom turmeric, uas yog ib tug tswv cuab ntawm Ginger tsev neeg (Zingiberaceae).Turmeric lwm ob curcuminoids yog desmethoxycurcumin thiab bis-desmethoxycurcumin.Cov curcuminoids yog ntuj phenols uas yog lub luag haujlwm rau cov xim daj ntawm turmeric.Curcumin tuaj yeem muaj nyob hauv ntau daim ntawv tautomeric, suav nrog 1,3-diketo daim ntawv thiab ob daim ntawv sib npaug enol.Daim ntawv enol muaj zog ntau ruaj khov nyob rau hauv cov khoom theem thiab nyob rau hauv kev daws.Curcumin yuav siv tau rau boron quantification nyob rau hauv txoj kev curcumin.Nws reacts nrog boric acid los tsim ib tug liab-xim compound, rosocyanine.Curcumin yog ci daj xim thiab tej zaum yuav siv los ua zaub mov coloring.Raws li cov khoom noj ntxiv, nws tus lej E yog E100.
Specification
| Yam khoom | STANDARDs |
| Qhov tshwm sim | Yellow los yog txiv kab ntxwv Fine hmoov |
| tsw | Yam ntxwv |
| Kev ntsuas (%) | Tag nrho Curcuminoids: 95 Min los ntawm HPLC |
| Poob ntawm ziab (%) | 5.0 Max |
| Residue ntawm Ignition (%) | 1.0 Max |
| Cov hlau hnyav (ppm) | 10.0 Max |
| Pb (ppm) | 2.0 Max |
| Raws li (ppm) | 2.0 Max |
| Tag nrho Plate suav (cfu/g) | 1000 Max |
| Poov & Pwm (cfu/g) | 100 Max |
| E. Coli | Tsis zoo |
| Salmonella | Tsis zoo |
