NUTR 1010 Study Guide - Final Guide: Asthma, Homocysteine, Cafestol
7 Dec 2013
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Document Summary
Most commonly consumed beverages: water, tea, coffee. Caffeine is : most commonly consumed drug, naturally occurring alkaloid, examples: morphine and caffeine, naturally occurs in plants. Recommended no more than 400mg caffeine/day: can affect bone health, insomnia, and irritability. Tea in canada: on the rise, 1996: 43l per person per day (~1/2 cup day, 2005: 70l per person per day (~3/4 cup day, why, tea more available, health benefits. Teas come from one plant: camellia sinensis, once the leaves are harvested, length of time exposed to air determines taste and colour of resulting tea (black = most oxidation, oolong = mid oxidation, green = least oxidation) Part of flavonoid fam of antioxidants: highest concentrations in green tea, followed by black and oolong, adding milk doesn"t affect catechin absorption. Improves antioxidant status (reduces risks for many diseases: decrease risk heart disease (>3 cup/day) antioxidants in tea can reduce ldl- cholesterol.
