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Tuesday, January 06, 2009

Highest amount of Saturated fatty acids are seen in Palm Oil

Question 48
Highest amount of Saturated fatty acids are seen in
a. Soyabean oil
b. Groundnut oil
c. Palm oil
d. Sunflower
Answer
c. Palm Oil
Reference
Park 18th Edition Page 440 Table 1
QTDF
Park
Quality
Reader
Status
New
Discussion
Fatty acid content of different Fat
Fats
Saturated Fatty Acids
Mono-unsaturated fatty acids
Polyunsaturated Fatty Acid
Coconut Oil
92
06
02
Palm Oil
46
44
10
Cotton Seed Oil
25
25
50
Groundnut Oil
19
50
31
Safflower Oil
10
15
75
Sunflower Seed oil
08
27
65
Corn Oil
08
27
65
Soyabean Oil
14
24
62
Butter
60
37
03
Margarine
25
25
50
Explanation
Self Explanatory
Comments
The most important essential fatty acid is linoleic acid
Tips
Ä     Saponification value (or "saponification number", also referred to as "sap" in short) represents the number of milligrams of potassium hydroxide or sodium hydroxide required to saponify 1g of fat under the conditions specified. It is a measure of the average molecular weight (or chain length) of all the fatty acids present. As most of the mass of a fat/triester is in the 3 fatty acids, it allows for comparison of the average fatty acid chain length.
Ä     If more moles of base are required to saponify N grams of fat then there are more moles of the fat the chain lengths are relatively small, given the following relation:
Ä     Number of moles = mass of oil/relative atomic mass

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