Related Experiment Video

Updated: Jul 13, 2026

Isolation and Compositional Analysis of Plant Cuticle Lipid Polyester Monomers
09:47

Isolation and Compositional Analysis of Plant Cuticle Lipid Polyester Monomers

Published on: November 22, 2015

Enantiomeric purity of (+/-) -methyl jasmonate in fresh leaf samples and commercial fragrances

Maria L Ruiz Del Castillo1, Gracia P Blanch

  • 1Instituto de Fermentaciones Industriales, CSIC, Madrid, Spain. ifir312@ifi.csic.es

Journal of Separation Science
|July 20, 2007
PubMed

More Related Videos

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale08:56

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Published on: August 16, 2018

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment04:36

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment

Published on: May 26, 2023

Related Concept Videos

Racemic Mixtures and the Resolution of Enantiomers02:30

Racemic Mixtures and the Resolution of Enantiomers

A racemic mixture, or racemate, is an equimolar mixture of enantiomers of a molecule that can be separated using their unique interaction with chiral molecules or media. Racemic mixtures are denoted by the (±)- prefix. This ‘optical rotation descriptor’ applies to the whole solution of a racemic mixture rather than a specific stereoisomer. Enantiomers typically have the same physical and chemical properties. Hence, they are not easily separable. However, enantiomers can exhibit different...
¹H NMR Signal Integration: Overview00:58

¹H NMR Signal Integration: Overview

The intensity of a signal, which can be represented by the area under the peak, depends on the number of protons contributing to that signal. The area under each peak is shown as a vertical line called an integral, with the integral value listed under it, as seen in the proton NMR spectrum of benzyl acetate. Each integral value is divided by the smallest integral value to obtain the ratio of the number of protons producing each signal. The ratio reveals the relative number of protons and not...
Mass Spectrometry: Aromatic Compound Fragmentation01:23

Mass Spectrometry: Aromatic Compound Fragmentation

Upon ionization, aromatic compounds generate a molecular ion that is observed as a prominent peak in their mass spectra. For example, the molecular ion peak for benzene appears at a mass-to-charge ratio of 78, while toluene is observed at a mass-to-charge ratio of 92. The molecular ion benzene is highly stable and does not readily undergo further fragmentation due to the significant amount of energy required to disrupt the aromatic stability of the benzene ring. In contrast, the molecular ion...