Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Triterpenoids from Lawsonia alba.

B S Siddiqui1, M N Kardar

  • 1H.E.J. Research Institute of Chemistry, University of Karachi, Pakistan. bina@khi.comsats.net.pk

Phytochemistry
|December 12, 2001
PubMed
Summary

Two new pentacyclic triterpenoids, lawsonic acid and lawsonin, were identified in Lawsonia alba. Their structures were determined using spectroscopic analysis, expanding knowledge of this plant

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

Characterisation of triterpenes and new phenolic lipids in Cameroonian propolis.

Phytochemistry·2014
Same author

Comparative antioxidant and antiplasmodial activities of 11-O-galloylbergenin and bergenin isolated from Bergenia ligulata.

Tropical biomedicine·2014
Same author

Antimycobacterial activity of flavonoids from Lantana camara Linn.

Natural product research·2008
Same author

Chemical constituents of Centella asiatica.

Journal of Asian natural products research·2007
Same author

A new triterpenoid, madhunolic acid, from the seeds of Madhuca latifolia.

Journal of Asian natural products research·2007
Same author

A new bisbenzopyran from Aloe barbadensis roots.

Planta medica·2007

Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Organic Chemistry

Background:

  • Lawsonia alba (henna) is a plant with a history of traditional medicinal use.
  • The chemical constituents of Lawsonia alba are not fully characterized.
  • Pentacyclic triterpenoids are a class of natural compounds with diverse biological activities.

Purpose of the Study:

  • To isolate and characterize novel compounds from the aerial parts of Lawsonia alba.
  • To elucidate the chemical structures of newly discovered constituents.

Main Methods:

  • Extraction of compounds from the aerial parts of Lawsonia alba.
  • Isolation of two pentacyclic triterpenoids using chromatographic techniques.
  • Structure elucidation through comprehensive spectroscopic studies (e.g., NMR, Mass Spectrometry).

Main Results:

  • Two new pentacyclic triterpenoids were successfully isolated.
  • The structures were identified as lawsonic acid (3 alpha-E-ferulyloxy-lup-20(29)-en-28-oic acid) and lawsonin (3 alpha-E-ferulyloxy-urs-11-en-13 beta-ol).
  • Spectroscopic data confirmed the proposed structures.

Conclusions:

  • The study successfully identified and characterized two new pentacyclic triterpenoids from Lawsonia alba.
  • These findings contribute to the phytochemical understanding of Lawsonia alba.
  • The isolated compounds, lawsonic acid and lawsonin, represent novel additions to the known natural products from this species.

Related Experiment Videos