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

Oxidation of Phenols to Quinones01:17

Oxidation of Phenols to Quinones

In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox property is crucial in...
Radical Autoxidation01:20

Radical Autoxidation

The oxidation of an organic compound in the presence of air or oxygen is called autoxidation. For example, cumene reacts with oxygen to form hydroperoxide. Autoxidation involves initiation, propagation, and termination steps. Many organic compounds are susceptible to autoxidation—especially ethers in the presence of oxygen, which form hydroperoxides. Even though this reaction is slow, old ether bottles contain small amounts of peroxide, which leads to laboratory explosions during ether...
Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various  biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
Polygenic Traits01:18

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
Physical Properties of Alcohols and Phenols02:32

Physical Properties of Alcohols and Phenols

Alcohols are organic compounds in which a hydroxy group is attached to a saturated carbon. Phenols are a class of alcohols containing a hydroxy group attached to an aromatic ring. The physical properties of the alcohols and phenols are influenced by hydrogen bonding due to the oxygen–hydrogen dipole in the hydroxy functional group and dispersion forces between alkyl or aryl regions of alcohol and phenol molecules.
Alcohols possess a higher boiling point than aliphatic hydrocarbons of similar...
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...

You might also read

Related Articles

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

Sort by
Same author

Polar lipids, omega-3 polyunsaturated fatty acids homeostasis, and brain aging: Mechanisms, dietary sources, and neuroprotection.

Nutrition research (New York, N.Y.)·2026
Same author

Risk assessment of new sequencing information on GM maize event DAS-59122-7.

EFSA journal. European Food Safety Authority·2026
Same author

Scientific Opinion on an application by Dow AgroSciences (EFSA-GMO-NL-2013-116) for placing on the market of genetically modified insect-resistant soybean DAS-81419-2 for food and feed uses, import and processing under Regulation (EC) No 1829/2003.

EFSA journal. European Food Safety Authority·2026
Same author

Scientific Opinion on an application by DOW AgroSciences LLC (EFSA-GMO-NL-2010-89) for placing on the market the genetically modified herbicide-tolerant maize DAS-40278-9 for food and feed uses, import and processing under Regulation (EC) No 1829/2003.

EFSA journal. European Food Safety Authority·2026
Same author

Genetic modulation of omega-3 and omega-6 polyunsaturated fatty acid metabolism and health outcomes: a systematic review.

Food & function·2026
Same author

Interpreting substitution models in nutritional epidemiology: the case for the protective role of NOVA 1 foods over the risk of NOVA 4.

The Lancet. Planetary health·2025

Related Experiment Video

Updated: Jun 3, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
12:00

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro

Published on: July 5, 2017

Extra virgin olive oil's polyphenols: biological activities.

Francesco Visioli1, Elena Bernardini

  • 1Laboratory of Functional Foods, IMDEA-Food, Madrid, Spain. francesco.visioli@imdea.org

Current Pharmaceutical Design
|March 30, 2011
PubMed
Summary
This summary is machine-generated.

Extra virgin olive oil contains beneficial phenolic compounds, unlike other vegetable oils. These compounds, particularly hydroxytyrosol, show potential for promoting heart health.

More Related Videos

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology
07:05

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology

Published on: August 23, 2024

Related Experiment Videos

Last Updated: Jun 3, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
12:00

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro

Published on: July 5, 2017

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology
07:05

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology

Published on: August 23, 2024

Area of Science:

  • Nutrition Science
  • Cardiovascular Health
  • Food Chemistry

Background:

  • Extra virgin olive oil (EVOO) is a unique dietary fat source.
  • EVOO contains oleic acid, considered neutral for heart health.
  • EVOO is uniquely rich in phenolic compounds, absent in other vegetable oils.

Purpose of the Study:

  • To critically review the scientific evidence on the health benefits of olive phenols.
  • To focus on the cardioprotective effects of hydroxytyrosol and related compounds.
  • To assess the role of EVOO phenols in human health.

Main Methods:

  • Literature review of existing scientific studies.
  • Critical appraisal of evidence regarding olive phenol efficacy.
  • Focus on studies investigating hydroxytyrosol and its derivatives.

Main Results:

  • Olive oil phenols possess distinct health-promoting properties.
  • Hydroxytyrosol and related molecules are key contributors to these benefits.
  • Evidence supports a role for olive phenols beyond oleic acid's neutral effect.

Conclusions:

  • Olive phenols, especially hydroxytyrosol, contribute significantly to the healthfulness of EVOO.
  • These compounds offer potential cardioprotective effects.
  • Further research into olive phenols is warranted for understanding their full health impact.