General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 20574-2006
Scope
This standard specifies the method for the determination of the total content of flavonoids in propolis. This standard is applicable to propolis, including raw propolis, refined propolis and ethanol solution of propolis. This standard can be used to determine the total content of flavonoids in propolis above 0.1%.
GB/T 20574-2006 history
2006GB/T 20574-2006 Method for determination of total flavonoids in propolis. Colorimetric method