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Item | Specification | Results | Methods | |||
Konjac Glucomannan | ≥ 95% | 95.3% | / | |||
Appearance & Color | Off-white powder | Conform | GB/T18104-2000 | |||
Odor & Taste | Odorless | Conform | GB/T18104-2000 | |||
SO2 (ppm) | ≤300 | 268 | GB/12094-89 | |||
pH | 5-7 | 5.7 | / | |||
Viscosity (mpa.s) | ≥32000 | 32000 | GB/T18104-2000 | |||
Partical Size (Mesh) | 120 (90%) | 90% Pass 120 mesh | GB/T18104-2000 | |||
Moisture | ≤10.0% | 6.2% | GB/T5009.3 | |||
Ash Content | ≤3.0% | 1.4% | GB/T5009.4 | |||
Heavy Metals | ||||||
Total Heavy Metals | ≤20ppm | Conform | AAS | |||
Arsenic (As) | ≤2ppm | 0.16 | AAS(GB/T5009.11) | |||
Lead (Pb) | ≤1ppm | 0.12 | AAS(GB/T5009.12) | |||
Microbiology | ||||||
Total Plate Count | ≤10,000cfu/g | Conform | GB/T4789.2-94 | |||
Total Yeast & Mold | ≤500cfu/g | Conform | GB/T4789.15-94 | |||
E. Coli | Negative in 10g | Conform | GB/T4789.3-94 | |||
Salmonella | Negative in 12.5g | Conform | GB/T4789.4-94 | |||
Staphylococcus | Negative in 5g | Conform | GB/T4789.10-94 | |||
Packing and Storage | 25KG/CTN (Inner Food grade PE bag + Carton) & Leave in the shady and cool dry place. | |||||
The Measure of test according by | GB4789-94, GB/T5009.11-1996, GB/T5009.12-1996, GB/12094-89, GB/T18104-2000, GB/T18104-2000 | |||||
Condition of test Viscosity | 1% aqueous solution at 30 0C, Mix round half an hour (below 100 mesh mix around an hour), brook field viscometer model DV-C, spindle 4#. Test every half an hour until get the peak value. |
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