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Merck

[Determination of lobetyolin in root of Codonopsis tangshen from various cultivation areas by high-performance liquid chromatography].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica (2008-12-11)
Dan Song, Xue-mei Cheng, Long-yun Li, Guo-yue Zhong, Zheng-tao Wang
ABSTRAKT

To determine lobetyolin in the root of Codonopsis tangshen from the various cultivation areas. A Supelco Discovery C18 Column (4.6 mm x 250 mm, 5 microm) was used with acetonitrile-0.5% acetic acid in water (20:80) as the mobile phase and UV detection was at 268 nm. Twenty-four batches of the samples were analyzed. The content of lobetyolin ranged from 0.0403-0.9667 mg x g(-1). The method was simple, reproducible and reliable. It can be used to control the quality of C. tangshen.

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Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 12.5 cm × 4.6 mm
Supelco
Discovery® C18 Supelguard Guard Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm, pkg of 2 ea
Supelco
Discovery® C18 Supelguard Guard Cartridge, Kit, 5 μm particle size, L × I.D. 2 cm × 2.1 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 15 cm × 4.6 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 5 cm × 4.6 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4.6 mm
Supelco
Discovery® C18 Supelguard Guard Cartridge, Kit, 5 μm particle size, L × I.D. 2 cm × 4 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 5 cm × 2.1 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 15 cm × 2.1 mm
Supelco
Discovery® C18 Supelguard Guard Cartridge, 5 μm particle size, L × I.D. 2 cm × 2.1 mm, pkg of 2 ea
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 25 cm × 21.2 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 25 cm × 10 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 12.5 cm × 4 mm
Supelco
Discovery® C18 Supelguard Guard Cartridge, 5 μm particle size, L × I.D. 2 cm × 3 mm, pkg of 2 ea
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 10 cm × 2.1 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 12.5 cm × 2.1 mm
Supelco
Discovery® C18 Supelguard Guard Cartridge, Kit, 5 μm particle size, L × I.D. 2 cm × 3 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 15 cm × 4 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 10 cm × 4.6 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 15 cm × 3 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 25 cm × 3 mm
Supelco
Discovery® C18 HPLC Column, 5 μm particle size, L × I.D. 10 cm × 4 mm