![]() Proteins from meat and other animal sources are complete proteins because they supply all of the amino acids required by your body. The amount of proteins your body needs depends on factors like age, sex, and level of physical activity.įrom a nutritional standpoint protein are classified by is its amino acid composition. It is important to eat foods with the appropriate amount of dietary protein every day because your body does not store protein in the same way fats and carbohydrates are stored. Proteins are the second most common molecule in the human body. Proteins are present in every cell of your body and are crucial to build and maintain your bones, muscles and skin. One gram fat is equivalent to 9 calories. Keep in mind that fats have twice as many calories as proteins or carbohydrates. Sources of polyunsaturated fatty acids include most vegetable and fish oils.Īs a rule of thumb try to avoid too much butter, shortening or lard and use instead natural oils like canola, olive, safflower, sesame, or sunflower. Polyunsaturated fatty acids are missing more than one pair of hydrogens forming molecules with two, three and four double bonds.Naturally occurring sources of monounsaturated fatty acids include olive oil and oleic acid. Monounsaturated fatty acids are missing one pair of hydrogens creating a double bond in the fat molecule.However, saturated fats are useful sources of energy. Saturated fats increase blood cholesterol levels and are generally considered not very healthful. ![]() Saturated fats molecules stack tightly and are usually solid at room, like butter or lard. Saturated fatty acids are molecules fully loaded with hydrogen.The names of the types of fatty acids describe whether the structure of the fatty acid is fully loaded with hydrogen or not. Fatty acids are classified in three different types or families: saturated, monounsaturated and polyunsaturated. Fatty acids are molecules made of chains of carbons with hydrogens attached to them. Fat is stored in your body in the form of fatty acids. Fat is important in your diet because it gives you energy and helps your body absorb vitamins. A diet with excessive carbohydrates consumption combined with a reduction of physical activity increases your risk of obesity.įats are a type of nutrients that your body needs in moderation. A healthy 2,000 calorie diet should include between 225 to 325 grams of carbs per day.Ĭarbohydrates not used by the body are stored in your liver and muscles for when it is needed. A maximum of 10 % of your daily energy sources should come from simple carbohydrates (sugar, glucose). Dietary Guidelines 2015-2020 recommend limiting to 45%-65% your daily energy sources from carbohydrates. Complex carbohydrates sources include fruits, wholegrain pasta, vegetables and wholegrains. Complex carbohydrates are made of long chains of sugar molecules and are generally considered more healthful. Simple carbohydrates sources include sugars, bread or candies. Simple carbohydrates are sugars that provide a quick source of energy. Once ingested your body transforms carbohydrates into glucose (blood sugar) which is used by your body as an energy source for your cells, tissues and organs.ĭepending on their chemical structure carbohydrates are classified as simple or complex. Oils with limited amounts of saturated fats and trans fats, added sugars, and sodiumĬarbohydrates, also known as carbs, saccharides, sugars or starches are the most abundant food source and a key form of energy for your body. ![]()
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