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2003•Traditional Chinese Drug Research and Clinical PharmacologyRequires access

Content Determination of Paeonol in Liuwei Dihuang Pill by SPE - HPLC

Yuzhu Hu

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Abstract

Objective To develop SPE - HPLC method for the assay of paeonol in Liuwei Dihuang Pill (LDP). Methods Separation was performed on a Hypersil ODS(2) column (250 mm×4. 6 mm, 5μm) . The mobile phase consist of methanol - 2 % acetic acid (55 :45, v/v) . The flow rate was 1 mL/min. The UV detection was set at 275 nm. Results Paeonol had a good linear relation in the range of 0. 03998 ~ 0. 7996 ug, the average recovery of honeyed bolus of LDP was 102. 9 % and the RSD was 1.2%; the average recovery of concentrated bolus of LDP was 101. 5 % and the RSD was 1.8%. Conclusion The method is simple, sensitive and rapid and it can be used to determine the paeonol content of LDP.

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What this paper is about

Objective To develop SPE - HPLC method for the assay of paeonol in Liuwei Dihuang Pill (LDP). Methods Separation was performed on a Hypersil ODS(2) column (250 mm×4. 6 mm, 5μm) . The mobile phase consist of methanol - 2 % acetic acid (55 :45, v/v) . The flow rate was 1 mL/min. The UV detection was set at 275 nm. Results Paeonol had a good linear relation in the range of 0. 03998 ~ 0. 7996 ug, the average recovery of honeyed bolus of LDP was 102. 9 % and the RSD was 1.2%; the average recovery of concentrated bolus of LDP was 101. 5 % and the RSD was 1.8%. Conclusion The method is simple, sensitive and rapid and it can be used to determine the paeonol content of LDP.

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Available abstract

Objective To develop SPE - HPLC method for the assay of paeonol in Liuwei Dihuang Pill (LDP). Methods Separation was performed on a Hypersil ODS(2) column (250 mm×4. 6 mm, 5μm) . The mobile phase consist of methanol - 2 % acetic acid (55 :45, v/v) . The flow rate was 1 mL/min. The UV detection was set at 275 nm. Results Paeonol had a good linear relation in the range of 0. 03998 ~ 0. 7996 ug, the average recovery of honeyed bolus of LDP was 102. 9 % and the RSD was 1.2%; the average recovery of concentrated bolus of LDP was 101. 5 % and the RSD was 1.8%. Conclusion The method is simple, sensitive and rapid and it can be used to determine the paeonol content of LDP.

Key concepts: Paeonol, Chromatography, High-performance liquid chromatography, Chemistry, Content determination, Bolus (digestion), Acetic acid, Medicine

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