Pigments in Extra-Virgin Olive Oils Produced in Tuscany (Italy) in Different Years.

Foods · 2017 · PMC5409313 · PMID 28353651

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The average value of the total amount of pigments observed in this set of EVOO samples was about 15 ppm, but—as seen from the pigment profile shown in Figure 3 —the differences related to the total amount of pigments among the three years are quite significant, without showing specific trends within each year.

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