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See Chinese contents: GB/T 40267-2021 GB/T 40267-2021: Determination of Levodopa in plant derived products - High performance liquid chromatography
This Standard describes the determination of levodopa content in plant derived products through the high performance liquid chromatography. This Standard is applicable to the determination of levodopa content in plant derived dry samples, such as: Vicia faba L., Stizolobium cochinchinensis (Lour.) Tang et Wang and Mucuna sempervirens Hemsl., etc.
