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

Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...
Proteins: Dietary Sources and Requirements01:28

Proteins: Dietary Sources and Requirements

Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
Overview of Fatty Acid Metabolism01:28

Overview of Fatty Acid Metabolism

Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Bioavailability: Overview01:13

Bioavailability: Overview

Bioavailability refers to the proportion of an unaltered drug that, after administration, enters the systemic circulation and can be distributed to the desired action site. Factors such as gastrointestinal (GI) absorption and liver biotransformation influence the bioavailability of a drug when it is administered orally. When a drug is administered intravenously, it enters the systemic circulation directly; by definition, its bioavailability is assumed to be 100%. The bioavailability of an...
Bioavailability: Overview01:17

Bioavailability: Overview

Bioavailability refers to the proportion of an administered drug that reaches the systemic circulation in its active, unaltered form. It is a crucial pharmacokinetic parameter that determines the effectiveness of a drug in achieving its intended therapeutic outcomes. The route of administration significantly influences bioavailability, with intravenous administration achieving 100% bioavailability as the drug directly enters the bloodstream. In contrast, oral administration often results in...
Dose-Response Relationship: Overview01:03

Dose-Response Relationship: Overview

Agonists can bind with and activate receptors, resulting in the formation of drug-receptor complexes. Once formed, these complexes catalyze many biochemical processes at the cellular level and subsequently induce a pharmacologic response. The degree of response is directly proportional to the fraction of activated receptors, which in turn, depends on the concentration of the drug at the receptor site as well as the sensitivity of the receptor. An increase in the administered dose contributes to...

You might also read

Related Articles

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

Sort by
Same author

Dietary nutritional strategies for circadian rhythm regulation: advances, challenges and future directions.

Critical reviews in food science and nutrition·2026
Same author

Oral Deuterated Docosahexaenoic Acid Protects Against Onset and Progression of RPE Degeneration in a Mouse Model of Chronic Oxidative Stress.

Investigative ophthalmology & visual science·2026
Same author

Omega-3 and omega-6 polyunsaturated fatty acids in neurodevelopment and prematurity: Correcting imbalances and closing the Preterm PUFA Gap.

Progress in lipid research·2026
Same author

Food and Drug Administration Expert Panel on Infant Formula "Operation Stork Speed" June 2025: Part 2, Regulatory and Safety Considerations.

Advances in nutrition (Bethesda, Md.)·2026
Same author

Food and Drug Administration Expert Panel on Infant Formula "Operation Stork Speed" June 2025: Part 1, Nutrient Considerations.

Advances in nutrition (Bethesda, Md.)·2026
Same author

Food and Drug Administration Expert Panel on Infant Formula "Operation Stork Speed" June 2025: Part 3, Marketing of Infant Formulas, Breastfeeding Support, Hypoallergenic Formulas, and Nutrition for Preterm Infants.

Advances in nutrition (Bethesda, Md.)·2026

Related Experiment Video

Updated: Jun 21, 2026

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
09:38

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans

Published on: November 29, 2013

Workshop on DHA as a required nutrient: overview.

Leila G Saldanha1, Norman Salem, J Thomas Brenna

  • 1NutrIQ LLC, Alexandria, VA, USA.

Prostaglandins, Leukotrienes, and Essential Fatty Acids
|August 1, 2009
PubMed
Summary

Docosahexaenoic acid (DHA) is crucial for development and may reduce age-related disease risk. Current US adult DHA intake is low, prompting calls for universal dietary recommendations for this essential nutrient.

Related Experiment Videos

Last Updated: Jun 21, 2026

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
09:38

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans

Published on: November 29, 2013

Area of Science:

  • Nutrition Science
  • Neuroscience
  • Public Health

Background:

  • Docosahexaenoic acid (DHA) is vital for brain, neural, and visual development.
  • Dietary recommendations for DHA exist for pregnant women and infants.
  • Emerging research highlights DHA's role in mitigating age-related diseases.

Purpose of the Study:

  • To review current research on DHA's role throughout life.
  • To address the gap between average DHA intake and recommended levels in US adults.
  • To discuss the potential for universal dietary recommendations for DHA.

Main Methods:

  • Review of existing scientific literature on DHA.
  • Analysis of nationwide dietary intake surveys.
  • Expert discussions at the Workshop on DHA as a Required Nutrient.

Main Results:

  • US adults exhibit lower DHA intake than recommended levels.
  • Supplemental DHA shows potential in reducing risks associated with aging.
  • There is a scientific basis for considering DHA as an essential nutrient for all life stages.

Conclusions:

  • DHA is essential for cognitive and visual health across the lifespan.
  • Increased DHA consumption is warranted for optimal health outcomes.
  • Universal dietary recommendations for DHA may be necessary to address suboptimal intake.