Beijing is set up tentatively to measure the index system

Beijing is set up tentatively to measure the index system Make " the underground drainage is oily " Show the original feature
The ones that cracked in the public security organ are when utilize oil of underground drainage to produce and sell the edible oil important case, the detection index system set up tentatively in Beijing, to " oil of underground drainage " Dimpling the true features plays the key effect, in order to confirm " oil of underground drainage " Danger when offer technical support.

The food security of Beijing does and introduces, since June, the control center of the food security of Beijing has organized measuring experts in the trade, to " oil of underground drainage " Determine technology assesses. There is no " oil of underground drainage " The sample, measure personnel and prop the frying pan, the simulation true " oil of underground drainage " of edition Generation process, propped container boiling shortly afterwards, separated the profit, and then removed the impurity with the adsorbent, get rid of the flavor, refine with the active charcoal During nearly 3 months, measuring personnel uses chromatogram analysis, spectral analysis, physical and chemical analysis and gene to determine modern analysis such as technology test the means synthetically, successively carried on more than 80 technical indicators all-roundly to screen, through to the qualification of residues in the oil, have fixed finding finally " The oil of underground drainage " 4 kind effective for index,last " the underground drainage oil " Index system measured.

The index one: Multiloop aromatic hydrocarbon (PAHs) . Multiloop aromatic hydrocarbon whether edible oil heat containing a plurality of benzene rings fragrant clan compound that produce after not frying, baking, bombing, frying, it is the permanent organic pollution, most PAHs have already been classified as carcinogen by the international cancer research center.

The index two: Cholesterol. Generally cholesterol-free in the edible vegetable oil or the content is extremely low. Technical staff the intersection of base area and ditch might contain the intersection of animal and source composition in the oil, and infer if the intersection of detection and cholesterol exceed a certain limit, can suspect this oil is " The oil of underground drainage " .


The index three: Conductivity. Normal oil be conducted almost, but various polar materials that produce can make the oil produce the conductivity after being spoiled by rancid oil or fat. " oil of underground drainage " Produce the conductivity because of mixing a large amount of metal ion, conductivity is relatively high.

The index four: The particular gene makes up. " oil of underground drainage " The discarded oil that it is many kinds of different sources was mixed, often contained the animal fat, measure personnel and appraise the method according to the molecular biology gene, appraise the animal gene in the oil, to judge whether to contain animal's source composition in the edible oil.

The evidences of police still reveal: Use " oil of underground drainage " The technological process of refining the edible oil are that physics is separated, the specific expert calls " oil of underground drainage " It is the misleading not in accordance with fact that the craft of refining the edible oil is complicated, expensive. (reporter Wang MingHao)

Beijing is set up tentatively to measure the index system Make " the underground drainage is oily " Show the original feature