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GH/T 1081-2012 English PDF (GHT1081-2012)

GH/T 1081-2012 English PDF (GHT1081-2012)

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GH/T 1081-2012: Determination of poplar tree gum in propolis - Reversed-phase high performance liquid chromatography method
This Standard specifies determination method of reversed-phase high performance liquid chromatography on whether propolis contains poplar tree gum. This Standard applies to the determination of poplar tree gum in propolis raw materials and in propolis ethanol extract. In this Standard, when injection volume is 5 uL, minimum detection limit of salicin is 1.3 ug/mL; lower detection limit of poplar tree gum in propolis raw material is about 5%; lower detection limit of ethanol in extract of propolis is about 15%.

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