Related Experiment Video
Updated: May 27, 2026
10:29
Measuring Oral Fatty Acid Thresholds, Fat Perception, Fatty Food Liking, and Papillae Density in Humans
Published on: June 4, 2014
Meat fats in nutrition
L M Valsta1, H Tapanainen, S Männistö
1The National Public Health Institute, Mannerheimintie 166, FI-00300 Helsinki, Finland.
Meat Science
|November 9, 2011
Summary
Meat is a significant source of dietary fat, primarily saturated and monounsaturated fatty acids. Consuming lean meats in moderation is advised to manage fat and cholesterol intake.
Area of Science:
- Nutritional Science
- Food Composition Analysis
Background:
- Meat is a globally significant source of high-value animal protein.
- Dietary fats from meat are crucial but require careful consideration.
Purpose of the Study:
- To review the fat content and fatty acid profiles of meats in the human diet.
- To discuss nutritional implications of meat consumption regarding dietary fats and cholesterol.
Main Methods:
- Literature review of studies on meat's nutritional composition.
- Analysis of fatty acid profiles, including oleic, palmitic, and stearic acids.
- Examination of meat products and meat-containing foods as dietary fat sources.
Main Results:
- Meat fat is predominantly monounsaturated and saturated fatty acids.
- Oleic (C18:1), palmitic (C16:0), and stearic acid (C18:0) are common fatty acids in meat.
- High meat intake in industrialized nations often exceeds recommended fat and cholesterol levels.
Conclusions:
- Meat and meat products are substantial sources of dietary cholesterol.
- Excessive meat consumption may displace other essential nutrients.
- Consumers should prioritize lean meats, low-fat products, and moderate meat intake.
Related Concept Videos
01:06Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
01:06Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
01:18Lipids: 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,...
03:38Structure 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...
01:28Overview 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...
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...
01:29Cholesterol: 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...
Considering cholesterol and...