"Gutter Oil" And The Scientific Analysis Technology
Following the year 2013 outbreak of the adulteration of olive oil scandal in Taiwan, these days, the "gutter oil" has become a dreaded social focus. Hundreds of tons of "gutter" was separated to the Taiwan food market, thousands of Taiwanese food producers were been affected, in which some of the famous food suppliers are included. We're probably are also one one of the consumers of these companies, and we also had eaten the food, which was manufactured by these companies in Taiwan. Potential Dynamic Technology for chemical composition test equipment suppliers, from a scientific perspective the relative "gutter oil" problem, and the focus we are more concerned about is that these edible food we usually eat after the chemical refining, whether mixed a harmful substance, yet in the refining process is removed.
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Now that the oil we're using in cooking, most of them are refined oil and refining chemical industry. Oil has been degumming, deodorizing, removing impurities and other processes, compared to the traditional virgin crude oil line squeezed oil, non-perishable easier to save. For consumers, more concern is the composition of these refined oils, whether involving commercial deception (pretending to expensive oil with cheap oil); and these refined oil, if there is more than the body to bear the standard of harmful substances.
For the oil itself, and their main ingredients are triglycerides, by a molecule of glycerol with three fatty acid molecules, and wherein the difference in the fatty acid, it is the nature of the oil constituting the difference. The fatty acid composition analysis, and further can detect oil is pure and identify poor quality fatty ingredients such as olive oil adulteration incident that occurred last year, is dishonest industry to high-grade oil, blending low grade oil, olive oil acts as a pure sales. In the past, the detection of oil composition, mostly using gas / mass spectroscopy or high-performance liquid chromatography, but these detection methods, most drawn out waste time, also need to spend time doing sample pre-preparation.
In addition, like this "rancid water and oil," event, in addition to the quality of the oil itself, composed of problem issues, in addition, there is concern that an excessive amount of heavy metals (arsenic, chromium, mercury, lead, etc.) as well as carcinogens, toxins and so harmful to human substances, there is still oil being. To monitor the long-term for consumers, and a lot of quickly screening, random testing, you need a more advanced, more portable rapid detection technology to perform, such as LIBS, Hyperspectral NIR, or Raman spectroscopy, and will be the trend of future demand.
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