o Vitamin D is the biologically active form of calcium phosphate o An excessively high dose has been linked with causing breast cancer o Exposure to sunshine forms the active form of the vitamin in the skin o The active form is 1,25-dihydroxyvitaminD3 o All forms of vitamin D have equal biological activity A study where a group of people is followed for a period of time to determine which factors might be associated with a specific issue is known as a cohort study A recent study (2011) suggests that multivitamins increases the risk of death in older women. The increased risk was the order of o 200% o 2% o 12% o 20% o 80% Glucoamylase converts corn starch to glucose NOT cellulose to glucose! Lycopene o Must be avoided by prostate cancer patients o Triggers the formation of free radicals o Is highly water soluble o Is not available as a dietary supplement o Is an antioxidant Which of the following statements about starch and cellulose is/are correct: o Starch is made up of a mix of glucose and fructose units o Cellulose cannot be digested by any animal but serves to aid digestion o Cellulose is digested by about 20% of the world’s human population o Cellulose can be purified and mechanically altered and is included as a bulk material in certain foods o Starch is primarily broken down in the body by the enzyme lactase.
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- Spring '11
- Nutrition, Vitamin, fatty acid chains, Olestra, natural fats