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Related Concept Videos

Structure of Lipids03:38

Structure of Lipids

Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Structure of Lipids03:38

Structure of Lipids

Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
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,...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...

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Related Experiment Video

Updated: May 31, 2026

Determination of Tolerable Fatty Acids and Cholera Toxin Concentrations Using Human Intestinal Epithelial Cells and BALB/c Mouse Macrophages
09:39

Determination of Tolerable Fatty Acids and Cholera Toxin Concentrations Using Human Intestinal Epithelial Cells and BALB/c Mouse Macrophages

Published on: May 30, 2013

Trans fats: What physicians should know.

V Marchand

    Paediatrics & Child Health
    |July 7, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Partial hydrogenation of fats creates trans fats, which harm cardiovascular health by altering cholesterol levels. Reducing trans fat intake is crucial for Canadians due to high consumption and associated health risks.

    Keywords:
    Cardiovascular diseaseCholesterolHydrogenationSaturated fatTrans fatUnsaturated fat

    More Related Videos

    Assessing Whole-Body Lipid-Handling Capacity in Mice
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    Assessing Whole-Body Lipid-Handling Capacity in Mice

    Published on: November 24, 2020

    Related Experiment Videos

    Last Updated: May 31, 2026

    Determination of Tolerable Fatty Acids and Cholera Toxin Concentrations Using Human Intestinal Epithelial Cells and BALB/c Mouse Macrophages
    09:39

    Determination of Tolerable Fatty Acids and Cholera Toxin Concentrations Using Human Intestinal Epithelial Cells and BALB/c Mouse Macrophages

    Published on: May 30, 2013

    Assessing Whole-Body Lipid-Handling Capacity in Mice
    07:57

    Assessing Whole-Body Lipid-Handling Capacity in Mice

    Published on: November 24, 2020

    Area of Science:

    • Food Science
    • Cardiovascular Health
    • Public Health

    Background:

    • Hydrogenation is used in food production to increase shelf life.
    • Partial hydrogenation produces trans fats, linked to adverse health outcomes.
    • Trans fats negatively impact cholesterol levels, raising cardiovascular disease risk.

    Purpose of the Study:

    • To inform about the health risks of trans fats.
    • To highlight the high dietary intake of trans fats in Canada.
    • To emphasize the role of physicians in educating patients.

    Main Methods:

    • Literature review on fat hydrogenation and trans fat effects.
    • Analysis of Canadian dietary intake data for trans fats.
    • Review of Health Canada recommendations on trans fat reduction.

    Main Results:

    • Trans fats increase LDL and decrease HDL cholesterol.
    • Canadians exhibit high trans fat consumption globally.
    • Health Canada advises reduced trans fat intake.

    Conclusions:

    • Trans fats pose a significant cardiovascular health risk.
    • Public health initiatives are needed to lower trans fat consumption in Canada.
    • Physician awareness and patient education are vital for mitigating trans fat-related health issues.