if the hplc chromatogram showed a large peak for LLL triglyceride, why would this be inappropriate for olive oil?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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if the hplc chromatogram showed a large peak for LLL triglyceride, why would this be inappropriate for olive oil?

Absorbance (Concentration)
Good
olive oil
077----
777-
LOO
10
--LLP
LOP
000
POO
OOS
Second
suspect
shipment
30
LLL
10
017
LLP
000
POO
20
20
Time (Minutes)
Time (Minutes)
Figure 1-Olive oil is a mixture of about a dozen different tiglycerides. Good olive oil is very low in triglycerides,
containing two or three linoleic acids (left graph). The shipment of olive oil intercepted by the US Custom Service (right
graph) contained high levels of these triglycerides, indicating adulteration with corn oil. On these graphs: L represents
linoleic acid, O represents oleic acid, P represents palmitic acid, and S represents stearic acid. The symbol LLP, for
example, represents a triglyceride formed from two moleci les of linoleic acid and one of palmitic acid.
OOS
with
30
Transcribed Image Text:Absorbance (Concentration) Good olive oil 077---- 777- LOO 10 --LLP LOP 000 POO OOS Second suspect shipment 30 LLL 10 017 LLP 000 POO 20 20 Time (Minutes) Time (Minutes) Figure 1-Olive oil is a mixture of about a dozen different tiglycerides. Good olive oil is very low in triglycerides, containing two or three linoleic acids (left graph). The shipment of olive oil intercepted by the US Custom Service (right graph) contained high levels of these triglycerides, indicating adulteration with corn oil. On these graphs: L represents linoleic acid, O represents oleic acid, P represents palmitic acid, and S represents stearic acid. The symbol LLP, for example, represents a triglyceride formed from two moleci les of linoleic acid and one of palmitic acid. OOS with 30
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