Categories: Foods

What Food Groups Are the Best Energy Sources

Before we answer what food groups are the best energy sources, let’s first learn what energy is. Energy is labeled in physics as “the capacity to perform work.” It is not a component of foods, but rather the result of the combustion of the so-called energy-producing nutrients: carbohydrates, fats, and proteins

Units of measure: The calorie, or more specifically, the kilocalorie (kcal), equivalent to 4.184 kilojoules (KJ).
Sources: All of the energy supplied by food comes from the sun. Plants transform solar energy into chemical energy by synthesizing carbohydrates, fats, and proteins.

Finding the Best Energy Sources

Plant-based foods: They directly utilize the nutrients produced by the sun’s energy, which is more healthful.

Animal-based products: Animals assimilate and process nutrients from other animals. By eating meat, eggs, or milk and its derivatives, one is eating second-hand nutrients, which animals have transformed, and, therefore, are less healthful.

Best energy sources

Proportional distribution among energy-producing nutrients: ideally, from a health standpoint, there should be a balance among those nutrients producing energy: sixty percent of calories should come from carbohydrates, thirty percent from fats, and ten percent from proteins. The more plant-based foods are eaten, the easier it is to meet these requirements.

Function: The body produces work for all bodily functions in the broadest sense, whether physical, mental, or psychological, from the energy in foods.

Symptoms of deficiency: Growth retardation in children, weight loss, physical weakness.

Best energy sources

Consequences of excess: Obesity.

Increased need: Intense physical exercise, trauma, and severe burns.

Loss during food processing: None or very little, since cooking or other processes affect energy-producing nutrients very little.

The average adult consumes 2000 calories. This is the amount used for graphs of food composition. Individuals’ needs vary based on their physical makeup and physical activity.

Plant-based foods provide as much or more energy as animal-based products, with the advantage that vegetables are more healthful and are endowed with healing power.

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