Identification method for illegal cooking oil
A technology of gutter oil and swill oil, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of difficult popularization, expensive instruments, unsuitable for popularization and application, etc.
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[0055] The hygienic indicators in the hygienic standards for edible vegetable oil and other oils reflect the basic characteristics of edible finished oils, and can only judge the quality of oils and fats. Using hygienic indicators as direct evidence for judging waste edible oils is very one-sided and is not conducive to the implementation of the law. Food hygiene supervision. At the same time, the sources of waste edible oils and fats are complicated, such as frying oil, gutter oil, etc. In actual work, it is impossible to test the samples after distinguishing their sources. Therefore, the identification indicators must have relatively universal applicability and operability. Based on the above In principle, the present invention uses the mass fraction of palmitoleic acid in the total amount of fatty acids as the standard for detecting waste oil.
[0056] Palmitoleic acid, English name: cis-9-Hexadecenoic Acid or Palmitoleic Acid. It is a monounsaturated fatty acid, also know...
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