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

Related Concept Videos

Aromatic Compounds: Overview

Aromatic Compounds: Overview

In general, the term ‘aromatic’ indicates a pleasant smell or fragrance from fresh flowers, freshly prepared coffee, etc. In the early history of organic chemistry, many benzene derivatives were isolated from the pleasant odor oils of the plants. For example, vanillin was isolated from the oil of vanilla, methyl salicylate from the oil of wintergreen, and cinnamaldehyde from the oil of cinnamon. They all had a pleasant odor; hence the name aromatic was given.
In 1825, Faraday isolated benzene...

Aromatic Hydrocarbon Cations: Structural Overview

Aromatic Hydrocarbon Cations: Structural Overview

Cycloheptatriene is a neutral monocyclic unsaturated hydrocarbon that consists of an odd number of carbon atoms and an intervening sp3 carbon in the ring. The three double bonds in the ring correspond to 6 π electrons, which is a Huckel number, and therefore satisfies the criteria of 4n + 2 π electrons. However, the intervening sp3 carbon disrupts the continuous overlap of p orbitals. As a result, cycloheptatriene is not aromatic.
Removing one hydrogen from the intervening CH2 group with both...

Defenses Against Pathogens and Herbivores

Defenses Against Pathogens and Herbivores

Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.

You might also read

Related Articles

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

Sort by

Same author

Isolation of three dibenzocyclooctadiene lignans from in vitro cultures of Schisandra chinensis (Turcz.) Baill.--the first report.

Die Pharmazie·2015

Same author

Antimicrobial and anti-biofilm properties of new taxodione derivative from hairy roots of Salvia austriaca.

Phytomedicine : international journal of phytotherapy and phytopharmacology·2012

Same author

Genetic transformation of Salvia austriaca by Agrobacterium rhizogenes and diterpenoid isolation.

Die Pharmazie·2011

Same author

Recollections on the discovery of factor VIIa as a novel therapeutic agent for hemophiliacs with inhibitors.

Journal of thrombosis and haemostasis : JTH·2009

Same author

Putative hepatotoxic neoclerodane diterpenoids from Teucrium species.

Planta medica·2007

Same author

Quantitative real-time reverse transcription polymerase chain reaction analysis of a novel tissue factor splice variant in select human solid tumors.

Journal of thrombosis and haemostasis : JTH·2006

Search research articles

Related Experiment Video

Updated: Jul 17, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

Published on: October 4, 2019

Terpenoids from Teucrium montanus subsp. pannonicum.

W Kisiel, F Piozzi, J Grzybek

|April 1, 1995

Summary

The aerial parts of Teucrium montanum L. subsp. pannonicum are rich in clerosterol and clerosteryl acylglucosides. This study also identified neo-clerodane diterpenes and triterpenes, expanding our knowledge of this plant's phytochemistry.

Area of Science:

Phytochemistry
Natural Products Chemistry
Botany

Background:

The study investigates the chemical constituents of Teucrium montanum L. subsp. pannonicum, a plant species known for its diverse secondary metabolites.
Understanding the phytochemistry of specific plant subspecies is crucial for identifying potential bioactive compounds and their applications.

Discussion:

Clerosterol and clerosteryl acylglucosides were identified as the predominant steroidal compounds in the aerial parts.
The isolation of neo-clerodane diterpenes, specifically auropolin and montanin H, highlights the complex terpenoid profile of this subspecies.
Widespread triterpenes were also detected, contributing to the overall chemical diversity.

Key Insights:

The primary steroidal components of Teucrium montanum L. subsp. pannonicum aerial parts are clerosterol and its acylglucosides.

More Related Videos

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Published on: September 28, 2022

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

Related Experiment Videos

Last Updated: Jul 17, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

Published on: October 4, 2019

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Published on: September 28, 2022

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

Auropolin and montanin H represent significant neo-clerodane diterpenes found in this plant.

The co-occurrence of abundant steroids, diterpenes, and triterpenes underscores the rich phytochemical nature of this taxon.

Outlook:

Further research could explore the biological activities and potential pharmacological applications of the isolated compounds.
Comparative phytochemical analysis with other Teucrium species may reveal evolutionary relationships and chemotaxonomic markers.
Detailed structural elucidation and quantification of all identified constituents are recommended for a comprehensive understanding.