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How many calories are in a pat of butter? 1 teaspoon of butter has about 34 calories. 1.5 teaspoons have 51 calories. Generally, pats will be on the small side of that spectrum.
(As a sub-packaged unit, a stick of butter, at 1 ⁄ 4 lb [113 g], is a de facto measure in the US.) Some recipes may specify butter amounts called a pat (1 - 1.5 tsp) [26] or a knob (2 tbsp). [27] Cookbooks in Canada use the same system, although pints and gallons would be taken as their Imperial quantities unless specified otherwise ...
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All macronutrients except water are required by the body for energy, however, this is not their sole physiological function. The energy provided by macronutrients in food is measured in kilocalories, usually called Calories, where 1 Calorie is the amount of energy required to raise 1 kilogram of water by 1 degree Celsius. [27]
[1] [3] The small calorie or gram calorie is defined as the amount of heat needed to cause the same increase in one milliliter of water. [3] [4] [5] [1] Thus, 1 large calorie is equal to 1,000 small calories. A 710-millilitre (24 US fl oz) Monster energy drink with 330 large calories
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For an overall efficiency of 20%, one watt of mechanical power is equivalent to 18 kJ/h (4.3 kcal/h). For example, a manufacturer of rowing equipment shows calories released from "burning" food as four times the actual mechanical work, plus 1,300 kJ (300 kcal) per hour, [16] which amounts to about 20% efficiency at 250 watts of mechanical output.
Commercial butter is about 80% butterfat and 15% water; traditionally-made butter may have as little as 65% fat and 30% water. Butterfat is a mixture of triglyceride , a triester derived from glycerol , and three of any of several fatty acid groups. [ 16 ]