Gellan Gum | 71010-52-1
Khoom Description
Gum Arabic, tseem hu ua Acacia Gum, chaar gund, char goond, los yog meska, yog cov pos hniav uas ua los ntawm cov kua txiv hmab txiv ntoo uas tau muab los ntawm ob hom ntawm tsob ntoo acacia; Acacia senegal thiab Acacia seyal. Cov pos hniav tau sau los ntawm cov ntoo qus thoob plaws hauv Sahel los ntawm Senegal thiab Sudan mus rau Somalia, txawm hais tias nws tau ua keeb kwm cog qoob loo hauv Arabia thiab West Asia.
Gum Arabic yog qhov sib xyaw ua ke ntawm glycoProteins thiab polysaccharides. Nws yog keeb kwm lub hauv paus ntawm cov suab thaj arabinose thiab ribose, ob qho tib si uas tau pom thawj zaug thiab cais tawm ntawm nws, thiab muaj npe rau nws.
Cov pos hniav arabic yog siv feem ntau hauv kev lag luam khoom noj khoom haus ua lub stabilizer. Cov pos hniav arabic yog cov khoom tseem ceeb hauv cov tsoos lithography thiab siv rau hauv kev luam ntawv, xim ntau lawm, kua nplaum, tshuaj pleev ib ce thiab ntau yam kev lag luam, nrog rau kev tswj viscosity hauv inks thiab hauv textile industries, txawm tias cov ntaub ntawv tsis tshua muaj nqi sib tw nrog nws rau ntau lub luag haujlwm no.
Thaum cov pos hniav arabic yog tam sim no tsim feem ntau thoob plaws hauv African Sahel, nws tseem tau sau thiab siv hauv Middle East. Piv txwv li, cov neeg Arab siv cov pos hniav ntuj los ua ib qho chilled, sweetened, thiab flavored gelato-zoo li khoom qab zib.
Specification
| Yam khoom | STANDARD |
| Qhov tshwm sim | Tawm-dawb mus rau Yellowish Granular lossis Hmoov |
| tsw | Tus kheej muaj ntxhiab tsw, tsis muaj ntxhiab tsw |
| Viscosity (Brookfield RVT, 25%, 25 ℃, Spindle #2, 20rpm, mPa.s) | 60-100 ib |
| pH | 3.5-6.5 Nws |
| Cov dej noo (105 ℃, 5h) | 15% Max |
| Solubility | Soluble hauv dej, insoluble hauv ethanol |
| Nitrogen | 0.24% - 0.41% |
| Tshauv | 4% Max |
| Insolubles hauv Acid | 0.5% Max |
| Cov hmoov txhuv nplej siab | Tsis zoo |
| Dannin | Tsis zoo |
| Arsenic (As) | Max 3 ppm |
| Lead (Pb) | 10 ppm Max |
| Hnyav Hlau | 40 ppm Max |
| E.Coli/ 5 g | Tsis zoo |
| Salmonella / 10g | Tsis zoo |
| Tag nrho cov phaj suav | 1000 cfu/g Max |
