| ≥1 piece |
gellan gum is the extra-cellular polysaccharide produced by the
gram-negative bacteria-pseudomonas elodea that is separated from water lily,
and is one of the microbia polysaccharides full of the development prospect in teh recen years.
specification of Gellan gum
ITEM |
STANDARD |
RESULTS |
Appearance |
Off-white powder |
Conforms |
|
Purity (CO 2 Yielding, %) |
3.3 ~ 6.8 |
5.3 |
|
Nitrogen (%) |
≤3 |
Conforms |
|
Loss on Drying (105 °C, 2.5 hours, %) |
≤15 |
4.2 |
|
Transmittance (%) |
≥ 80 |
84.5 |
|
Gel Strength (g/ cm 2 ) |
>900 |
1025 |
|
Ashes (%)
|
<12 |
10.8 |
|
Isopropyl Alcohol (mg/ kg) |
≤750 |
Negative |
|
pH |
6.0- 8.0 |
7.0 |
|
Lead (Pb) |
≤2 mg/ kg |
<2 mg/ kg |
|
Mercury (Hg) |
≤1 mg/ kg |
<1 mg/ kg |
|
Arsenic (As) |
≤3 mg/ kg |
<3 mg/ kg |
|
Cadmium (Cd) |
≤1 mg/ kg |
<1 mg/ kg |
|
Total Heavy Metals (as Pb) |
≤20 mg/ kg |
<20 mg/ kg |
|
Total Plate Count (cfu/g) |
≤ 10,000 |
Conforms |
|
Moulds & Yeasts (cfu/g) |
≤ 400 |
Negative |
|
Salmonella spp./ 10g |
Negative |
Negative |
|
E. coli/ 5g |
Negative |
Negative |
|
Particle Size |
Min 95% Pass 80 mesh |
Conforms |