Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jul 13, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Published on: August 16, 2018

Sesquiterpene compounds from Inula viscosa.

Gianfranco Fontana¹, Salvatore La Rocca, Salvatore Passannanti

¹Dipartimento di Chimica Organica, Università degli Studi di Palermo, Parco d'Orleans II, Italy.

Natural Product Research

|July 27, 2007

Summary

Researchers isolated two new compounds, 2,5-dihydroxyisocostic acid and 2,3-dihydroxycostic acid, from Inula viscosa. Three known sesquiterpenes were also identified, with new spectroscopic data reported for two.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The chemical composition of the aerial part's essential oil of an unexplored <i>Vernonia</i> species (Asteraceae) collected in Dhofar region, Oman: <i>Vernonia arabica</i> F. G. Davies.

Natural product research·2026

Same author

The Omani <i>Lavandula subnuda</i> Benth. and <i>Lavandula macra</i> Baker accessions: the essential oil chemical compositions of their aerial parts.

Natural product research·2026

Same author

The Moroccan <i>Hypericum pubescens</i> Boiss. accession: the essential oil chemical composition of its aerial parts.

Natural product research·2026

Same author

Structural Modifications at the C3 and C30 Positions of the Lupane Skeleton with Carbon-Centered Nucleophiles.

Molecules (Basel, Switzerland)·2025

Same author

<i>Lavandula pedunculata</i> subsp. <i>atlantica</i>: A Multifunctional Essential Oil for Potentially Combating Microbial Infections and Inflammatory Processes.

Molecules (Basel, Switzerland)·2025

Same author

Biological Properties of Oleanolic Acid Derivatives Bearing Functionalized Side Chains at C-3.

International journal of molecular sciences·2024

Area of Science:

Natural Product Chemistry
Phytochemistry
Organic Chemistry

Background:

Inula viscosa (L.) Aiton is a plant species known for its diverse secondary metabolites.
Sesquiterpenes are a class of terpenoids with potential biological activities.
Isolation and structural elucidation of plant-derived compounds contribute to understanding chemical diversity.

Purpose of the Study:

To isolate and characterize chemical constituents from the acetone extract of Inula viscosa.
To identify novel compounds and report spectroscopic data for known compounds.
To contribute to the knowledge of Inula viscosa's phytochemical profile.

Main Methods:

Extraction of Inula viscosa using acetone.
Isolation of compounds using chromatographic techniques.

More Related Videos

Quantification of Violacein in Chromobacterium violaceum and Its Inhibition by Bioactive Compounds

Quantification of Violacein in Chromobacterium violaceum and Its Inhibition by Bioactive Compounds

Published on: August 8, 2025

Related Experiment Videos

Last Updated: Jul 13, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Published on: August 16, 2018

Quantification of Violacein in Chromobacterium violaceum and Its Inhibition by Bioactive Compounds

Quantification of Violacein in Chromobacterium violaceum and Its Inhibition by Bioactive Compounds

Published on: August 8, 2025

Structural determination of new compounds via 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopy, including proton (1H) and carbon (13C) NMR.

Reporting of 13C-NMR spectra for Isocostic acid and Tomentosin for the first time.

Main Results:

Isolation of two new compounds: 2,5-dihydroxyisocostic acid and 2,3-dihydroxycostic acid.
Isolation of three known sesquiterpene compounds: Isocostic acid, Carabrone, and Tomentosin.
Complete structural elucidation of the new compounds using advanced NMR techniques.
First-time reporting of 13C-NMR data for Isocostic acid and Tomentosin.

Conclusions:

The study successfully identified five sesquiterpene compounds from Inula viscosa.
Two novel dihydroxycostic acid derivatives were discovered.
The reported NMR data expands the spectral information available for these natural products.