ANTHROP 2AN3 Lecture Notes - Lecture 3: Carbohydrate, Avocado, Chemical Classification
16 Jan 2017
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Document Summary
Substances in food necessary to maintain life. They provide energy, contribute to structure and regulate biological processes. Essential nutrients must be provided in the diet. Food has to have nutrients in it to be considered food. Six major classes of nutrients: carbohydrates (macronutrients, fats (macronutrients, proteins (macronutrients, vitamins (micronutrients, minerals (micronutrients, water. **macronutrients are more important, meaning we need more of the macronutrients than the micronutrients** Found in grains, breads, legumes, fruits, vegetables and milk. It is recommended to ingest complex carbohydrates. Dietary proteins are necessary for synthesizing proteins in our bodies. Constructed of one or more amino acids (20 amino acids found commonly in proteins) 9 amino acids cannot be made by humans (essential amino acids) have to get those amino acids from our diet. Contribute to texture, aroma and flavour of food. Number of essential roles in body and provide a concentrated source of energy. Classified according to chemical composition of fatty acids; e. g saturated, unsaturated, etc.
