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Types and Composition of Food

vegetables
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Video: The basics of eating

The basics of eating videoSomething that we all do every day is eat. But eating can get complicated – there is a lot of variety and choice, and a lot of contradictory advice on what’s best for us. Dr Joe Kosterich explains the basics of what we need to eat.

Watch the video Food: Basics of What We Need to Eat.

Dairy

DairyThe consumption of milk products needs to be encouraged, especially among children and adolescents, who are building their peak bone mass and are also developing lifelong habits. There are almost as many misconceptions about milk as there are benefits.

For more information, see Dairy.

Meat and meat products

Meat and meat productsMeat is classified as red (e.g. beef, pork and lamb) or white (e.g. chicken). Meat from any source is of similar nutritional value, whether it is white or red. Meat and meat products are rich and concentrated sources of nutrients, including fats, proteins, vitamin B12, zinc and iron.

For more information, see Meat and Meat Products.

Eggs

fresh_eggs_protein_food_100x100Eggs are a fantastic source of protein but some people try to avoid them for fear of increasing their cholesterol intake. Dr Joe explains why eggs are good for you and busts the myths that eating eggs leads to high cholesterol in this video.

For more information, see Eggs.

Grains (cereals)

Grains (cereals)Grains, also called cereals and cereal grains, are important sources of energy, carbohydrate, protein and fibre. Though cereals generally lack vitamins A, C and B12, they contain a range of micronutrients such as vitamin E, some of the B vitamins (e.g. B6), magnesium and zinc. Examples of cereals are wheat, maize, rice, barley oats, millet and sorghum.

For more information, see Grains (Cereals).

Food additives

Food additivesFood additives are chemical substances added to foods to improve flavour, texture, colour, appearance and consistency, or as preservatives during manufacturing or processing. Herbs, spices, hops, salt, yeast, water, air and protein hydrolysates are excluded from this definition.

For more information, see Food Additives.

Caffeine

CaffeineCaffeine is found in many foods, beverages and medications. Following absorption, caffeine is directed to the brain where it stimulates the nervous system. It also stimulates the heart and increases smooth muscle relaxation. As smooth muscles regulate the flow of blood through the body, this can affect an individual’s blood flow.

For more information, see Caffeine.

Bioactives

BioactivesBioactives are chemicals, chemical molecules and microbes (microscopic organisms) that have some biological effect on our bodies. Bioactive food components are bioactives that have been added to food. Bioactives are not essential for nutrition (i.e. you can’t be deficient in bioactives) but they are thought to offer some health benefits.

For more information, see Bioactives.

Video: Protein

Protein videoDr Joe Kosterich talks about how much protein we need, sources of protein, protein supplements, the role of protein in exercise programs, and the advantages and disadvantages of high-protein diets.

Watch a video about Protein.

Protein shakes

Protein shakesA protein shake is a high protein beverage, usually prepared by mixing a specially formulated, high-protein powder with liquid. The key ingredients of protein shakes are protein hydrosolates. Many also contain added amino acids and sugary carbohydrates.

For more information, see Protein Shakes.

More information

NutritionFor more information on nutrition, including information on types and composition of food, nutrition and people, conditions related to nutrition, and diets and recipes, as well as some useful videos and tools, see Nutrition.
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Dates

Posted On: 16 November, 2014
Modified On: 17 January, 2015


Created by: myVMC