ITEMS
SPECIFICATION
Appearance
Meet the requirement
Identification
Examination
Dissolve 10mg of vitamin D2 into 2ml of 90% ethanol, add 2ml solution of digitalis saponin and incubate for 18 hours. No precipitation or cloud should be observed.
Melting Range
115 ~ 119°C
Specific Rotation
+103°~+106
Solubility
Freely soluble in alcohol
Reducing Substances
Max 20ppm
Ergosterol
none
OrganicVolatilityImpurities
Corresponding using method IV(467)
Sorbic Acid
Sodium Benzoate
Potassium Sorbate Granular
Potassium Benzoate
Benzoic Acid
Milk Thistle Extract - Silymarin
Green Tea Extract
Black Tea Extract
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