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Animal fats are lipids derived from animals which are used by the animal for a multitude of functions, or can be used by humans for dietary, sanitary, and cosmetic purposes. Depending on the temperature of the fat, it can change between a solid state and a liquid state. Chemically, both fats and oils are composed of triglycerides.
A saturated fat is a type of fat in which the fatty acid chains have all single bonds between the carbon atoms. A fat known as a glyceride is made of two kinds of smaller molecules: a short glycerol backbone and fatty acids that each contain a long linear or branched chain of carbon (C) atoms.
Meat can be replaced by, for example, high-protein iron-rich low-emission legumes and common fungi, dietary supplements (e.g. of vitamin B 12 and zinc) and fortified foods, [152] cultured meat, microbial foods, [153] mycoprotein, [154] meat substitutes, and other alternatives, [155] such as those based on mushrooms, [156] legumes (pulses), and ...
White meat contains large amounts of protein. Dark meat contains 2.64 times more saturated fat than white meat, per gram of protein. [22] One commentator wrote that dark meat contains more vitamins, [23] while a New York Times columnist has stated the two meats are nearly identical in nutritional value, especially when compared with typical red ...
However, since the fats and oils in most natural and traditionally processed foods contain both unsaturated and saturated fatty acids, [73] the complete exclusion of saturated fat is unrealistic and possibly unwise. For instance, some foods rich in saturated fat, such as coconut and palm oil, are an important source of cheap dietary calories ...
Vegetable shortenings were developed in the early 1900s, which made it possible to use vegetable-based fats in baking and in other uses where solid fats were called for. Upton Sinclair 's novel The Jungle , though fictional, portrayed men falling into rendering vats and being sold as lard, which generated negative publicity.
Beef is a source of complete protein and it is a rich source (20% or more of the Daily Value, DV) of niacin, vitamin B12, iron and zinc, but also contains high amounts of saturated fat. [71] [72] Red meat is the most significant dietary source of carnitine and, like any other meat (pork, fish, veal, lamb etc.), is a source of creatine. Creatine ...
Fat has a food energy content of 38 kilojoules per gram (9 kilocalories per gram) proteins and carbohydrates 17 kJ/g (4 kcal/g). [ 2 ] Water makes up a large proportion of the total mass ingested as part of a normal diet but it does not provide any nutritional value.