Mainly, glycerin forms esters with organic acids and these form glycerides. Triglycerides are compounds formed by combining glycerides with 3 different or the same fatty acids. Triglycerides are one of the essential ingredients of vegetable oils.
In general, olive oil consists of 20 types of triglycerides in different proportions. Among them, the trilinolein triglyceride type, which has the highest ratio in natural olive oil, is formed by connecting 3 linoleic acids to the glycerol root. The ratio of this triglyceride type in sunflower oil is 20 percent.
Triglyceride composition determination is made to detect adulteration of seed oil or other vegetable oil types in olive oil. Even low oil adulteration to olive oil increases the trilinolein ratio. If the trilinolein value exceeds 0,25 percent in virgin olive oil, oil cheating should be suspected.
Triglyceride composition determination studies generally use the HPLC (high-performance liquid chromatography) method. This test method is the most effective and easiest way to identify seed oils mixed with olive oil. Mixing olive oil with seed oils is quite easy and very common. Often, cottonseed oil or hazelnut oil, which has a very similar structure to olive oil, is mixed with olive oil.
In the test, analysis, measurement and evaluation studies carried out in our organization, national and international standards and applicable legal regulations are complied with and reliable and impartial results are obtained. These studies are based on the latest technological equipment, trained and experienced staff and modern methods. Triglyceride composition determination services are among the numerous tests performed in this context.
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