Wet-rendered lard, from pork fatback.
Palmitic acid: 25–28%
Stearic acid: 12–14%
Myristic acid: 1%
Oleic acid: 44–47%
Palmitoleic acid: 3%
|Polyunsaturated||Linoleic acid: 6–10%|
|Food energy per 100 g (3.5 oz)||3,770 kJ (900 kcal)|
|Melting point||backfat: 30–40 °C (86–104 °F)
leaf fat: 43–48 °C (109–118 °F)
mixed fat: 36–45 °C (97–113 °F)
|Smoke point||121–218 °C (250–424 °F)|
|Specific gravity at 20 °C (68 °F)||0.917–0.938|
Animal fats and oils are lipid materials derived from animals. Physically, oils are liquid at room temperature, and fats are solid. Chemically, both fats and oils are composed of triglycerides. Although many animal parts and secretions may yield oil, in commercial practice, oil is extracted primarily from rendered tissue fats obtained from livestock animals like pigs, chickens and cows. Dairy products also yield popular animal fat and oil products such as cheese, butter, and milk.
Flesh and animal fat have a melting temperature of 184 °C, a boiling point of around 200 °C and an ignition point of 280 °C where it will burst into flames without spark. Certain substances such as goose fat produce a higher smoke point than other animal fats, but are still lower than many vegetable oils such as olive or avocado. 
In consumer meat products in the U.S., animal remains are found to be classified as Animal fats once the particle size of bone solids is more than 3 percent, protein content is less than 14 percent and or the product contains over 30 percent pure fat content.
Animal fats are commonly consumed as part of a western diet in their semi-solid form as either milk, butter, lard, schmaltz, and dripping or more commonly as filler in factory produced meat, pet food and fast-food products. Dairy products are animal secretions which contain varying levels of water, oils, fats and animal cells from circulatory and lymphatic systems such as blood and mammary glands.
Many animal fats and oils are consumed directly, or indirectly as ingredients in food. The oils serve a number of purposes in this role:
- Shortening – to give pastry a crumbly texture.
- Texture – oils can serve to make other ingredients stick together less.
- Flavor – some may be chosen specifically for the flavor they impart.
- Flavor base – oils can also "carry" flavors of other ingredients, since many flavors are present in chemicals that are soluble in oil.
Secondly, oils can be heated, and used to cook other foods. Oils suitable for this purpose must have a high flash point.
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- National Research Council. (1976). Fat Content and Composition of Animal Products.; p. 203. Washington, DC: Printing and Publishing Office, National Academy of Science. ISBN 0-309-02440-4
- The Goose Fat Information Service, Goosefat.co.uk/, 2012-03-19, retrieved 2012-03-19
- Definitions and Standards of Identity, FDA.gov, 1978-06-13, retrieved 2012-03-16
- Meat Products with High Levels of Extenders and Fillers, Food and Agricultural Organization of the United States, retrieved 2012-03-16