I do not understand this question at all. 50. The following is the structure for

Question

I do not understand this question at all.

50. The following is the structure for a typical diglyceride. CH2OC-(CH2)CH CHOH CH OC-(CH2)CH-CH2 a. Write the structural formulas for all products INCLUDING intermediates, if any, when this chemical is oxidized. Note: any alcohol groups present will be unaffected b. What would you observe if an unsaturated glyceride was oxidized? c. What common term is usually applied to a sample of glyceride (fat) that contains a significant amount of its oxidation products? d. Based on their ease of oxidation, which keeps better: animal fat or vegetable oil? Why?

Explanation / Answer

Answering 3 questions based on CHEGG rules:

B.Saturated fatty acids (SFAs) are oxidized by ? oxidation to give acetyl coenzyme A (acetyl CoA), which enters the citric acid.cycle. Unsaturated fatty acids require two more enzymatic steps that are needed for SFAs to convert the existing double bonds from cis to trans and to move them from a ? to a ? position. Oxidation of C18:2 n-6 is more rapid than that of C18:1 n-9.  

C. They are called unsaturated fatty acids with the required glyceride.

D. Animal fat has more of saturated fatty acids meaning that they have reduced oxidation. Thus shelf life is more in case of animal fat as it is more stable compared to vegetable fat.

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