Related Experiment Video
Updated: Dec 19, 2025

Screening and Isolation of C-Glycoside-Cleaving Intestinal Bacteria
Published on: February 28, 2025
[Two new phenylpropanoid amide glycosides from whole plants of Corydalis racemosa]
Hui-Na Yao1, Hang Zhang1, Wen-Xuan Wang1
1Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine Beijing 100029, China.
Abstract:
Two new phenylpropanoid amide glycosides and ten analogues were isolated from the CH_2Cl_2 layer of 95% ethanol extract of the whole plants of Corydalis racemosa by using various chromatographic techniques, including silica gel, Sephadex LH-20, ODS column chromatographies, and semi-preparative HPLC. Their structures were identified on the basis of physicochemical properties, MS, NMR, and IR spectroscopic data as N-cis-sinapoyltyramine-4'-O-β-glucoside(1), N-cis-sinapoyl-3-methoxytyramine-4'-O-β-glucoside(2), N-cis-sinapoyltyramine(3), N-cis-feruloyltyramine(4), N-trans-cinnamoyltyramine(5), N-trans-feruloylphenethylamine(6), N-trans-p-methoxycinnamoyl-3-hydoxyoctopamine(7), N-cis-feruloyl-3-methoxytyramine(8), N-trans-feruloyltyramine(9), N-trans-feruloyl-3-methoxytyramine(10), N-trans-sinapoyltyramine(11), and N-trans-p-coumaroyltyramine(12). Compounds 1 and 2 are new compounds. Compounds 3-7 are obtained from the plants of Papaveraceae for the first time, and compounds 8-12 are firstly isolated from C. racemosa.
More Related Videos
07:16Preparation of Gynura bicolor DC samples for High-Resolution Tandem Mass Spectrometry
Published on: February 2, 2024
07:36Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea
Published on: December 23, 2022
Related Concept Videos
Adrenergic Agonists: Direct-Acting Agents
These agents can be classified...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Direct-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship
The direct-acting...
Direct-Acting Cholinergic Agonists: Therapeutic Uses
Adrenergic Agonists: Mixed-Action Agents
Ephedrine and pseudoephedrine lack a catecholamine group, making them less susceptible to degradation by metabolic enzymes. They have increased oral bioavailability and lipophilicity, resulting in a longer duration of action. Their response is reduced by...
Oral Hypoglycemic Agents: α-Glucosidase Inhibitors
Acarbose and miglitol are...