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saturated fat
A fat is made of two kinds of smaller molecules: monoglyceride and fatty acids. Fats are made of long chains of carbon (C) atoms. Some carbons are linked by single bonds (-C-C-) and others are linked by double bonds (-C=C-). A saturated fat is a fat in which the fatty acids all have single bonds. Double bonds can react with hydrogen to form single bonds. They are called saturated, because the second bond is broken up and each half of the bond is attached to (saturated with) a hydrogen atom. Most animal fats are saturated. The fats of plants and fish are generally unsaturated.〔
Various fats contain different proportions of saturated and unsaturated fat. Examples of foods containing a high proportion of saturated fat include animal fat products such as cream, cheese, butter, other whole milk dairy products and fatty meats which also contain dietary cholesterol.〔 Certain vegetable products have high saturated fat content, such as coconut oil and palm kernel oil. Many prepared foods are high in saturated fat content, such as pizza, dairy desserts, and sausage.
The effect of saturated fat on risk of disease is controversial. Many medical professional associations and scientific reviews recommend a diet low in saturated fat, because they argue it will lower risks of cardiovascular diseases, diabetes, or death. However, other reviews have rejected those arguments.
==Fat profiles==
While nutrition labels regularly combine them, the saturated fatty acids appear in different proportions among food groups. Lauric and myristic acids are most commonly found in "tropical" oils (e.g., palm kernel, coconut) and dairy products. The saturated fat in meat, eggs, cacao, and nuts is primarily the triglycerides of palmitic and stearic acids.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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