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

New neolignans from Talauma ovata.

Maria Elida A Stefanello1, Marden A Alvarenga, Izaura N Toma

  • 1Departamento de Química, Universidade Federal do Paraná, Caixa Postal 19.081, 81531-990, Curitiba, PR, Brazil. elida@quimica.ufpr.ufpr.br

Fitoterapia
|April 30, 2002
PubMed
Summary

Researchers isolated three new neolignans, acetyl oleiferin-C, -F, and -G, from the Talauma ovata bark extract. This study also identified six known compounds, expanding our knowledge of natural product chemistry.

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

<sup>1</sup>H HR-MAS NMR chemical profile and chemometric analysis as a tool for quality control of different cultivars of green tea (Camellia sinensis).

Food chemistry·2022
Same author

Correction to Naphthoquinones of Sinningia reitzii and Anti-inflammatory/Antinociceptive Activities of 8-Hydroxydehydrodunnione.

Journal of natural products·2017
Same author

Naphthoquinones of Sinningia reitzii and Anti-inflammatory/Antinociceptive Activities of 8-Hydroxydehydrodunnione.

Journal of natural products·2017
Same author

A Naphthoquinone from Sinningia canescens Inhibits Inflammation and Fever in Mice.

Inflammation·2017
Same author

A new naphthoquinone from Sinningia leucotricha (Gesneriaceae).

Natural product communications·2015
Same author

A new sesquiterpene lactone and other constituents of Moquiniastrum polymorphum subsp. floccosum (Asteraceae).

Natural product communications·2014

Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Talauma ovata is a plant species known for its potential chemical constituents.
  • Neolignans are a class of natural products with diverse biological activities.
  • Phytochemical investigations aim to discover and characterize novel compounds from plant sources.

Purpose of the Study:

  • To isolate and identify new natural neolignans from the hexane extract of Talauma ovata bark.
  • To characterize the chemical structures of the isolated compounds.
  • To contribute to the understanding of the phytochemical profile of Talauma ovata.

Main Methods:

  • Extraction of Talauma ovata bark using hexane.
  • Chromatographic techniques for compound separation (e.g., column chromatography).

Related Experiment Videos

  • Spectroscopic methods (e.g., NMR, Mass Spectrometry) for structural elucidation.

    • Main Results:

    • Isolation of three new natural neolignans: acetyl oleiferin-C (4), acetyl oleiferin-F (7), and acetyl oleiferin-G (8).
    • Identification of six known compounds: dihydroguaiaretic acid (1), austrobailignan-5 (2), oleiferin-C (3), austrobailignan-6 (5), and oleiferin-F (6).
    • Structural characterization of all isolated compounds confirmed their identity.

    Conclusions:

    • The hexane extract of Talauma ovata bark is a rich source of diverse neolignans.
    • The discovery of new neolignans expands the known chemical diversity of this plant genus.
    • Further studies may explore the biological activities of these isolated compounds.