Ls 2n03 human nutrition for life sciences dm pincivero

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Unformatted text preview: Amino Acids: Protein essential macro nutrients. LS 2N03 – Human Nutrition for Life Sciences D.M. Pincivero, 2013 Protein is designed to be taken after exercise, that is when our cells are most sensitive. 6 Nutrient • Any substance in food that the body can use to obtain energy, synthesize tissues, or regulate physiological/physical functions. Anything that are cells are doing require macro and micro nutrients, and the food that we take in provides those nutrients. Essential nutrient An essential nutrient is not a important nutrient. • A substance that must be ingested because the body cannot make it or adequate amounts of it. Cells have the capacity to make some nutrients (ie. Vitamin D) unfortunately we cannot make them in the winter. Ex. Vitamins, amino acids, certain fatty acids (Omega 3), carbohydrates Macronutrient • A nutrient that is needed in relatively large amounts in the diet (carbohydrates, fats and proteins) Nutrients that provide energy to our body Micronutrient • A nutrient that is needed in relatively small amounts in the diet (vitamins and minerals). Do not carry energy but provide the body with key small molecules to break down macronutrients (ie. glycolysis) Organic • In chemistry, any compound that contains carbon, except carbon oxides. Inorganic • Any substance that does not contain carbon, except certain simple carbon compounds (carbon dioxide). “Organic” food • Food growth without use of fertilizers, hormones, antibiotics, etc. LS 2N03 – Human Nutrition for Life Sciences D.M. Pincivero, 2013 7 “Organic” food • Must meet standards of the Canadian Organic Products Regulations. • Crop production • Livestock production • Processing • Cleaners, disinfectants, sanitizers • Health care products Organic = conditions in which the plant was cultivated. The soil Example: Soil and crop nutrition must meet certain regulations as well. • Over 100 different substances regulated “Bone meal: Permitted only if guaranteed free of specified risk materials including the skull, brain, trigeminal ganglia (nerves attached to the brain), eyes, tonsils, spinal cord and dorsal root ganglia (nerves attached to the spinal cord) of cattle aged 30 months...
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This document was uploaded on 02/14/2014.

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