Related Experiment Video
Updated: Oct 17, 2025

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
Published on: October 2, 2016
A new ent-kaurane diterpenoid from the pericarps of Datura metel
Yan Liu1, Dan-Dan Wu1, Yong-Qiang Zhou2
1Key Laboratory of Chinese Materia Medica, Ministry of Education, Faculty of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
Abstract:
A new ent-kaurane diterpenoid, named kaurane daturoside A (1), was isolated from the 70%-EtOH extract of dried pericarps of Datura metel L., along with six known terpenoids, 16α,17-dihydroxy-ent-kauran-19-diglycoside (2), cyclosieversioside F (3), astragaloside II (4), ginsenoside Rg1 (5), astrojanoside A (6), celerioside E (7). The isolated structures were elucidated by means of spectroscopic analyses, and the compounds 2, 3, 7 were separated from Solanaceae for the first time. Meanwhile, among isolates, compounds 2 and 5 exhibited anti-inflammatory activities against LPS-activated RAW264.7 cells (IC50<11.00 μM).
More Related Videos
09:36Author Spotlight: Discovering New Alkaloids in Plants with Advanced Mass Spectrometry Techniques
Published on: March 8, 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
Physical Properties of Amines
Chemotherapy-Induced Nausea and Vomiting: Neurokinin-1 Receptor Antagonists
Opioid Receptors: Overview
Keto–Enol Tautomerism: Mechanism
IUPAC Nomenclature of Ketones
Ketones with Nonenolizable Aromatic Aldehydes: Claisen–Schmidt Condensation
As the self-condensation of ketones is generally not favored in basic conditions, the self-condensed products do not form in the reaction between ketones and benzaldehyde. The general reaction of Claisen–Schmidt...