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 Concept Videos

Pollination and Flower Structure02:40

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
Non-vascular Seedless Plants02:26

Non-vascular Seedless Plants

The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
Other Algae01:19

Other Algae

The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
Bacterial Phylum Planctomycetes01:26

Bacterial Phylum Planctomycetes

Planctomycetes are a group of morphologically distinct bacteria predominantly classified into two orders: Planctomycetales and Brocadiales. These gram-negative bacteria exhibit unique features, including division by budding and the presence of stalks or appendages. Their cells are often found in rosette arrangements, and they are notable for possessing an S-layer in their cell envelope, which is relatively uncommon among bacteria. Additionally, Planctomycetes frequently exhibit intracellular...
Seedless Vascular Plants03:24

Seedless Vascular Plants

Seedless Vascular Plants Were the First Tall Plants on Earth
The Phragmoplast01:59

The Phragmoplast

Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
The...

You might also read

Related Articles

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

Sort by
Same author

New Serratane Triterpenoid and Musashi2 inhibitors from Huperzia serrata.

Planta medica·2026
Same author

A highly sensitive and simultaneous bifunctional fluorescent probe for detecting mitochondrial viscosity and nitroreductase activity in vivo.

Analytica chimica acta·2026
Same author

Alcimaphenols A and B, oligomeric denudaquinols with antiproliferative and antimigratory activities from the endangered plant Alcimandra cathcartii.

Bioorganic chemistry·2026
Same author

Targeted isolation of previously undescribed fortunefuroic acid-type triterpenoids from Keteleeria pubescens using <sup>1</sup>H NMR/LC-PDA-MS and assessment of ACL Inhibition.

Phytochemistry·2026
Same author

Metabolism and excretion pathways of CD388, a novel drug-fragment crystallizable conjugate for prevention of seasonal or pandemic influenza.

Drug metabolism and disposition: the biological fate of chemicals·2026
Same author

UPLC-PDA-MS guided isolation of lindenane sesquiterpene oligomers with anti-neuroinflammatory activity from two rare Chloranthus species.

Phytochemistry·2026

Related Experiment Video

Updated: Jul 14, 2026

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples
09:38

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples

Published on: November 23, 2016

Stilbenes from the Orchid Phragmipedium sp.

Eliane Garo1, Jin-Feng Hu, Matt Goering

  • 1Lead Discovery and Rapid Structure Elucidation Group, Sequoia Sciences Inc., 1912 Innerbelt Business Center Drive, Saint Louis, Missouri 63114, USA. egaro@sequoiasciences.com

Journal of Natural Products
|June 1, 2007
PubMed
Summary

Researchers analyzed Phragmipedium orchids, isolating 12 new and 5 known compounds. Notably, 8 stilbenes featured unusual 4-hydroxybenzyl substitutions, expanding knowledge of orchid chemical diversity.

More Related Videos

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling
05:22

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Published on: December 10, 2019

Asymbiotic Germination and Leaf Explant-Based Regeneration of the Endangered Medicinal Orchid Hemipilia cucullata from Mature Seeds
07:19

Asymbiotic Germination and Leaf Explant-Based Regeneration of the Endangered Medicinal Orchid Hemipilia cucullata from Mature Seeds

Published on: September 19, 2025

Related Experiment Videos

Last Updated: Jul 14, 2026

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples
09:38

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples

Published on: November 23, 2016

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling
05:22

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

Published on: December 10, 2019

Asymbiotic Germination and Leaf Explant-Based Regeneration of the Endangered Medicinal Orchid Hemipilia cucullata from Mature Seeds
07:19

Asymbiotic Germination and Leaf Explant-Based Regeneration of the Endangered Medicinal Orchid Hemipilia cucullata from Mature Seeds

Published on: September 19, 2025

Area of Science:

  • Phytochemistry
  • Orchidaceae Biology
  • Natural Product Chemistry

Background:

  • Phragmipedium orchids are a genus within the Orchidaceae family, known for their unique floral structures.
  • The chemical constituents of orchids are increasingly studied for potential pharmaceutical and biological applications.
  • Previous research on Phragmipedium species has identified various secondary metabolites, but novel compound classes are continually being discovered.

Purpose of the Study:

  • To investigate the chemical composition of three Phragmipedium species: P. calurum, P. longifolium, and P. hybrid (var. Sorcerer's Apprentice).
  • To isolate and characterize novel and known chemical compounds from these orchid species.
  • To identify unusual structural motifs in isolated compounds, contributing to the understanding of plant secondary metabolism.

Main Methods:

  • High-throughput isolation techniques were employed for compound extraction and purification.
  • Spectroscopic analysis, including NMR and Mass Spectrometry, was used for structure elucidation.
  • Comparative analysis with existing literature was performed to identify known and novel compounds.

Main Results:

  • A total of 17 compounds were isolated, comprising 12 newly identified compounds and 5 known compounds.
  • Compounds 1-8 were identified as stilbenes characterized by the presence of one or two 4-hydroxybenzyl moieties.
  • This specific substitution pattern on stilbenes is rare, with only two prior reports in scientific literature.
  • The structural elucidation of all isolated compounds was successfully achieved through comprehensive spectroscopic data.

Conclusions:

  • The study successfully identified a diverse range of chemical compounds from Phragmipedium orchids, including several novel stilbene derivatives.
  • The discovery of stilbenes with unique 4-hydroxybenzyl substitutions highlights the potential for novel chemical structures within this genus.
  • These findings contribute valuable data to the field of phytochemistry and natural product discovery, particularly concerning the Orchidaceae family.