Assignment 7 3. Hydrogenation of Oils: Answer the following questions about hydr

Question

Assignment 7 3. Hydrogenation of Oils: Answer the following questions about hydrogenation of vegetable oils. What is the reason behind hydrogenating vegetable oils? What effect does the hydrogenation process have on their chemical and physical properties? 4. Cholesterol Profiles: Answer the following question using what you know about cholesterol and the tables to the right that show health categories based on blood levels of different fractions of cholesterol. Ttal cholestero Category 300-239 Borderline high 240 and above HDL cholesterol concentration mg dt 60 and above 40 in men:50 in women Category - Cirele the blood cholesterol profile bewLOe F CAD Low; rnsk for that you think would be most desirable? What about this profile made you choose it LDL cholesterolCategory over the others? Explain why you didn'ttrame dt choose each of the other two. 100-129 130-139 160-189 190 and above Near above optimal Borderline hugh Very high Type of Concentration cholesterol mg/dL Total HDL 195 135 Type of ConcentrationType of Concentration cholesterol mg dL Total HDL LDL 245 50 125 Total HDL LDL 200 65 105

Explanation / Answer

3) Hydrogenation is defined as the chemical process during which the hydrogen atoms are added to the carbon atoms present in the fatty acid chain. Hydrogenation converts double bonds to single bonds. So, unsaturated fatty acids are converted to saturated fatty acids. Hydrogenation makes the oils more stable. It increases their melting point and shelf life. Physically, liquid forms of the oils are changed to solid forms.

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