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Saturated Fats

Saturated Fats
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Saturated fat is fat that consists of triglycerides containing only saturated fatty acids. Saturated fatty acids have no double bonds between the individual carbon atoms of the fatty acid chain. That is, the chain of carbon atoms is fully "saturated" with hydrogen atoms. There are many kinds of naturally occurring saturated fatty acids, which differ mainly in number of carbon atoms, from 3 carbons (propionic acid) to 36 (hexatriacontanoic acid).

Various fats contain different proportions of saturated and unsaturated fat. Examples of foods containing a high proportion of saturated fat include animal fats such as cream, cheese, butter, and ghee; suet, tallow, lard, and fatty meats; as well as certain vegetable products such as coconut oil, cottonseed oil, palm kernel oil, chocolate, and many prepared foods.

Fat should account for 30% or less of the calories consumed daily, with saturated fats accounting for no more than 10% of the total fat intake. Fats are a concentrated form of energy which help maintain body temperature, and protect body tissues and organs. Fat also plays an essential role in carrying the four fat-soluble vitamins: A, D, E, and K.

Excess calories from protein and carbohydrates are converted to and stored as fat. Even if you are eating mostly "fat free" foods, excess consumption will result in additional body fat. Fat calories in food are readily stored, while it takes energy to transform protein and carbohydrates to body fat. The only proven way to reduce body fat is to burn more calories than one consumes.

Saturated Fat:
Function: tends to increase blood cholesterol levels. 

Sources: found mostly in meat and dairy products, as well as some vegetable oils, such as coconut and palm oils (tropical oils).
Butter is high in saturated fat, while margarine tends to have more unsaturated fat. Most saturated fats tend to be solid at room temperature, with the exception of tropical oils.


Polyunsaturated Fat:
Function: tends to lower blood cholesterol levels

Sources: found mostly in plant sources. (safflower, sunflower, soybean, corn, cottonseed)


Monounsaturated Fat:
Function: tends to lower LDL cholesterol (the "bad" cholesterol)

Sources: found in both plant and animal products, such as olive oil, canola oil, peanut oil, and in some plant foods such as avocado

Read More at Wikipedia


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