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Avocados are packed with vitamins, but dietitians say it’s important to be aware of the fruit’s nutrient profile. “Avocados are high in calories,” Gans says, noting that one medium-sized ...
In a 100-gram reference amount, avocado supplies 670 kilojoules (160 kilocalories), and is a rich source (20% or more of the Daily Value, DV) of several B vitamins (such as 28% DV in pantothenic acid) and vitamin K (20% DV), with moderate contents (10–19% DV) of vitamin C, vitamin E, and potassium.
Macronutrients are defined as a class of chemical compounds which humans consume in relatively large quantities compared to vitamins and minerals which provide humans with energy. 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]
However, the net energy derived from the macronutrients depends on such factors as absorption and digestive effort, which vary substantially from instance to instance. Vitamins, minerals, fiber, [9] and water do not provide energy, but are required for other reasons. A third class of dietary material, fiber (i.e., nondigestible material such as ...
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Hass avocados contain phytosterols and carotenoids, including lutein and zeaxanthin. [12] Avocados have diverse fats. [13] For a typical avocado: About 75% of an avocado's energy comes from fat, most of which (67% of total fat) is monounsaturated fat as oleic acid. [13] Other predominant fats include palmitic acid and linoleic acid. [13]
Calcium, sodium, potassium, magnesium, and chloride ions, along with phosphorus and sulfur, are listed with macronutrients because they are required in large quantities compared to micronutrients, i.e., vitamins and other minerals, the latter often described as trace or ultratrace minerals. [3] Macronutrients provide energy:
Some diet components that provide little or no food energy, such as water, minerals, vitamins, cholesterol, and fiber, may still be necessary to health and survival for other reasons. Some organisms have instead anaerobic respiration , which extracts energy from food by reactions that do not require oxygen.