KNES 433 Lecture Notes - Lecture 18: Dietary Reference Intake, Dietitian, Food Science

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Lecture 18 nutrition: fast weight loss = more lbm is lost! Its about the imbalance (input < output = weight: manufacturers manage to make even the healthiest foods unhealthy. Important stats: overall: 5 /10 females; 7/10 males have ei exceed energy needs. in adults over 19 years: 25% m + 23%f have fat intakes above acceptable macronutrient. Distribution range and 32% m + 21% f have carb intakes below acceptable. Macronutrient distribution range, most adults have mg/ca/vita/vitd/k/fibre, and. Rda = 130 g/d or 6-10g/kg/day for adult endurance athletes amounts are. Adequate for brain: all living cells contain cho they regulate fat/protein metabolism ( cho intake = strains muscle proteins + potential ketosis). Failure to obtain an essential aa degradatio(cid:374) of (cid:271)od(cid:455)"s protei(cid:374)s to o(cid:271)tai(cid:374) it. Body: protein quality: different foods are rated based on whether they have all essential. Egg is the reference protein because it contains all essential aas. Acceptable for fats to be 20-30% of caloric intake.

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