| ITEM | STANDARD |
| Appearance | White or light yellow fine powder |
| Particle Size | 95% pass 120 mesh |
| Viscosity (1%, 25℃, mPa.s) | >= 20000 |
| Glucomannan (KGM, %) | >= 75 |
| pH | 5.0- 7.0 |
| Moisture (%) | =< 10 |
| SO2 (%) | =< 0.2 |
| Ash (%) | =< 4.5 |
| Lead (Pb) | =< 3 mg/kg |
| Arsenic (As) | =< 2 mg/kg |
| Total heavy metals (as Pb) | =< 10 mg/kg |
| Yeast & mould (cfu/ g) | =< 50 |
| Total plate count (cuf/ g) | =<3000 |
| Salmonella spp./ 10g | Negative |
| Escherichia coli/ 5g | Negative |
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