Appearance Colorless to light yellow liquid; cool and refreshing aroma with some smell of camphor Relative density (20/20℃) 0.921~0.924 Refractive index(20 ℃) 1.455~1.460 Specific optical rotation （20℃） -5°~ +5° Arsenic(based on As) 3ppm max Melting point 179℃ Solubility Soluble in 50% ethanol Heay metal(based on Pb) 10ppm max Assay 99.0% min

Appearance White powder, odorless Assay 90%min Glucose + fructose + sucrose 10% max PH 5.0-7.0 Total ash 0.4% max Heay metals 10ppm max Microbial Content Total plate count: 1000cfu/g max Mould and yeast: 100cfu/g max Colon bacillus: Negative Salmonella pr.25gram: Negative

Demethyleneberberine 25459-91-0 C19H18NO4 98%min Yellow crystal,98%min

Appearance Light yellow crystalline powder Assay(HPLC) 98%min Loss on drying 2.0% max

White crystalline or crystalline powder,no smell,taste bitter, Assay 98.0%-102.0%

Appearance White or almost white crystalline powder Assay(by Potentiometry) 98.0%-101.0%(dried substance) Solubiliy Practically insoluble in water、soluble in ethanol、sparingly soluble in methylene chloride.It shows polymorphism Identification IR or TLC and Coloured reaction Positive Appearance of Solution The solution is clear and not more intensely coloured than reference solution Y6 Tests Specific optical rotation +145°~+154°

White crystalline powder,80% 90% 98% 99%

Light yellow transparent liquid,98%min

White hygroscopic crystalline powder, sour, odorless,99.7%

Appearance White Powder Identity TLC HPLC Assay NLT 98.00% Melting point 238-242 ℃ Loss on drying NMT 1.00% Ash NMT 1.00% Arsenic(MDL0.05) NMT 2ppm Lead(MDL0.02) NMT 2ppm Cadmium(MDL0.02) NMT 1ppm Mercury(MDL0.005) NMT 0.1ppm Total plate count NMT 1000cfu/g Mould&Yeast NMT 100cfu/g E.Coli Negative Salmonella Negative

Appearance Clear, colorless, syrupy liquid with sweet taste Solid Content(%) 69-71 Water(%) 29-31 Sorbitol Assay(%) ≥71.4 Ph 5.0-7.5 Conductivity(µs/cm) ≤10 Relative density(d2020) 1.285-1.315 Reducing sugar(%) ≤0.21 Total sugar(%) ≤8.0 Residue on ignition(%) ≤0.10 Hevy metal(%) ≤0.0005 Lead(pb)(%) ≤0.0001 Arsenic(%) ≤0.0002 Chloride(%) ≤0.001 Sulphate(%) ≤0.005 Nickel(%) ≤0.0002 Total plate count(cfu/g) ≤100

Appearance Yellow powder Assay 98%min Moisture 5% max Sulphated Ash 1% max Odor Characteristic Particle size 100% pass 80 mesh Microbiological Total of bacteria: 1000/g max Fungi: 100/g max Salmonella: Negative Coli: Negative Pesticides Negative Heay metal 10ppm max