The Pearl™ Liquid Transmission Accessory is the ideal tool for sampling and testing viscous liquids.
Extra virgin olive oil (EVOO) is made by pressing olives and catching the oil. It is mainly used in food, as a garnish or to fry meat and vegetables.
Some industries even use it in pharmaceuticals, soaps and cosmetics. This all means that EVOO production is a big global industry, more than $70 million. Food adulteration, where unlabelled or substitute ingredients are added for economic gain, is an expensive problem and this food fraud is damaging to global economies.
The International Olive Council has launched an international research project to check the authenticity of olive oil production and has received funding from EU Horizon 2020. Methods of analysis can include checking the free-acidity and color of EVOO. FTIR liquid transmission spectroscopy is a rapid technique for identifying adulterants in oil. Combined with chemometrics, it can be used to rapidly confirm authenticity for without any need for sample preparation. Furthermore, fatty acid composition and other
quality parameters can be determined at the same time.
The Specac Pearl is ideal for the analysis of food oils like EVOO and other viscous oils. EVOO is commonly adulterated with cheaper oils like soybean, canola and sunflower. This note shows how the Pearl can easily distinguish different oils and adulterants in oil.
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