Ziboxan®PM
Ziboxan® PM pharmaceutical-grade xanthan gum is a dried product made from corn starch and soy protein fermented and extracted by natural Xanthomonas aeruginosa. It has good rheological and shear resis
Product Introduction
Ziboxan® PM pharmaceutical-grade xanthan gum is a dried product made from corn starch and soy protein fermented and extracted by natural Xanthomonas aeruginosa. It has good rheological and shear resistance properties and is a high-molecular-weight hydrophilic colloid with thickening and stabilizing effects.
Physicochemical indicators
| Indicators | Specification requirements |
|---|---|
| Appearance | Off-white to pale yellow powder |
| Solubility | Swells into a colloidal solution in water; insoluble in ethanol and acetone |
| Identification | Should show a positive reaction |
| Viscosity (1% xanthan gum in 1% KCl) | ≥600 mPa.s |
| Loss on drying | ≤15% |
| Ash content | ≤16% |
| Total nitrogen | ≤1.5% |
| Pyruvic acid | ≥1.5% |
| Residual solvent | Methanol (0.3%) and ethanol (0.5%) must both comply with regulations; isopropanol content must not exceed 0.075% |
| Heavy metals | ≤20mg/kg |
| Arsenic | ≤0.0003% |
| Total aerobic bacteria count | ≤1000CFU/g |
| Molds and yeasts | ≤100CFU/g |
| Escherichia coli | Not detectable |
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