SAR HS 369 Lecture 4: Lecture 4
31 May 2016
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Document Summary
Lactose tolerance is the most recent human mutation that we know about and africa. Developed because of a cultural change not an environmental change: developed because of domestication of animals; it became an advantage to be lactose tolerant. Recommendations for decrease in health risk (related to lipids) o o o. Total lipid should be between 20-35% of kcal. These refer to fatty acids in the lipids (better explained in reading) Functions of lipids in foods o o. We can"t absorb fats in our gi tract without forming mice cells first. Cell membrane is a phospholipid bilayer (without it no cells duh) o. Dietary lipid & health risk induction of labor, blood clotting) o o. Lack of essential fatty acids leads to essential fatty acid deficiency. Contains an omega-3 double bond (present in fish/ fish oil) Too much fatty acids can lead to o. Dietary strategies to regulate blood cholesterol o.
