NUTR SCI 132 Lecture Notes - Lecture 27: Soy Milk, Cereal Germ, Fish Oil
4 Apr 2016
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Vitamin d: synthesis occurs in the skin out of cholesterol using uv light (15 minutes hand and face exposure, depends on. Time of day: midday is best (10-2 pm) Skin pigmentation dark pigment (melanin: skin cancer risk with uv light. Basal and squamous cell (constant exposure: construction workers and farmers) Melanoma (more related to once in a while sunburns: 2-3 lifetime burns increase risk, more prone with fairer skin, storage of vitamin d. Food source: fish oil, tuna, salmon. Monday, april 4, y: milk (fluid not cheese or yogurt, supplement. Vitamin e: whole grains, wheat germ, seed oils, processing oxidizes. Particularly for thiamin and niacin: to some extent they will be lost in processing. B-12: foods of animal origin: meat, fish, poultry, milk and eggs, intrinsic factor: must secrete this in order to absorb, stores well, vegans no b-12. Minerals: whole grains, vegetables, proteins, dairy fruits. Monday, april 4, y: salt (only mineral eaten directly out of ground)
