1. Appearance: White powder
2. Ingredient: Total CD content more than 50%, α-CD more than 30%
3. Loss on Drying≤ 7.0%
4. Heavy metal≤ 4µg/g
5. As≤ 1.0µg/g
6. Residue on Ignition≤ 0.5%
7. Total bacteria count≤ 300pcs/g
8. Moulds and yeasts≤ 20pcs/g
9. Escherichia coli: negative