NUTRITN 130 Lecture Notes - Lecture 2: Cell Culture, Model Organism, Peanut Butter
9 Aug 2016
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1 slice of bread & 1 tbsp of peanut butter = 16g cho, 7g protein, 9g fat)! 16g cho x 4 kcal/g = 64 kcal! 7g protein x 4 kcal/g = 28 kcal! 9g fat x 9 kcal/g = 81 kcal! 0. 47 x 100 = 47% of calories are from fat! Nutrition is a science, which is an organized boy of knowledge composed of facts! Relatively young science vitamins discovered in 1900s! Discovery of nutrients was accidental (tackled diseases, not nutrients)! Look for certain words no such thing as automatically ! Science is not based on facts, but on hypothesis that can always be challenged or repeated! Reliable evidence comes mainly through the use of scienti c methods! Self-correcting: do not assumed that one method discourse absolute truth, but produces results that subsequent studies can modify! Require objectivity: should not be contaminated with personal beliefs, bias, or emotions ! of researchers!
