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

Solenoids01:18

Solenoids

A solenoid is a conducting wire coated with an insulating material, wound tightly in the form of a helical coil. The magnetic field for a solenoid is the vector sum of the magnetic field due to its individual turns. For an ideal solenoid, the magnetic field inside is almost uniform and parallel to the solenoid axis, while the magnetic field outside the solenoid is nearly zero.
Each turn in a solenoid can be approximated as a circular current carrying coil that generates a dipole moment. The...
Solubility03:00

Solubility

Solution, Solubility, and Solubility Equilibrium
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules, atoms, and/or ions)...
Solvents01:12

Solvents

A solvent is a substance, most often a liquid, that can dissolve other substances. Here, the substance being dissolved is called a solute. When a solvent and a solute combine, they form a solution - a homogenous mixture of both the solvent and the solute. Water is a universal biological solvent. Its polar structure allows it to dissolve many other polar compounds. The ability of water to dissolve is governed by a balance between water molecules binding to each other and binding to the solute.
A...
Plant Hormones01:56

Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Plant Hormones01:56

Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and corticosterone...

You might also read

Related Articles

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

Sort by
Same author

Prodigious degassing of a billion years of accumulated radiogenic helium at Yellowstone.

Nature·2014
Same author

High-yield production of tropane alkaloids by hairy-root cultures of aDatura candida hybrid.

Plant cell reports·2013
Same author

Alkaloids of hairy root cultures of a Datura candida hybrid.

Plant cell reports·2013
Same author

Annatto: a natural choice.

Biologist (London, England)·2001
Same author

Chordoma of the oropharynx: an unusual presentation and review of the literature.

Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·1998
Same author

Epidemiologic factors involved in perinatal lamb mortality on four range sheep operations.

American journal of veterinary research·1992

Related Experiment Video

Updated: Jul 15, 2026

Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti
20:01

Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti

Published on: October 1, 2013

A steroid constituent from Solanum abutiloides.

W C Evans1, R J Grout, J P Rowland

  • 1Department of Pharmacy, The University, Nottingham, NG7 2RD, England.

Planta Medica
|February 1, 1981
PubMed
Summary

Isonuatigenin, a steroidal aglycone from Solanum abutiloides, was isolated. Its acetylation in weak acid conditions was investigated, providing insights into steroidal compound modification.

Area of Science:

  • Natural Product Chemistry
  • Organic Chemistry
  • Phytochemistry

Background:

  • Solanum abutiloides is a plant source of bioactive compounds.
  • Steroidal aglycones represent a class of molecules with diverse biological activities.
  • Understanding the chemical properties of isolated compounds is crucial for further research.

Purpose of the Study:

  • To isolate and characterize the steroidal aglycone isonuatigenin from Solanum abutiloides.
  • To investigate the acetylation reaction of isonuatigenin under weak acidic conditions.

Main Methods:

  • Hydrolysis of unripe Solanum abutiloides fruits.
  • Isolation and purification of the steroidal aglycone.
  • Acetylation reaction of isonuatigenin in weak acid.

Related Experiment Videos

Last Updated: Jul 15, 2026

Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti
20:01

Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti

Published on: October 1, 2013

Main Results:

  • Isonuatigenin was successfully isolated from the plant material.
  • The acetylation of isonuatigenin in weak acid was achieved and studied.

Conclusions:

  • Isonuatigenin is a constituent of Solanum abutiloides.
  • The study provides foundational data on the chemical reactivity of isonuatigenin, specifically its acetylation.