Guangzhou Bureau of Industry and Commerce released the third quarter of 2013 circulation of edible oil sampling inspection.

(This sample inspection results and related data may not be used for commercial purposes) Guangzhou Municipal Bureau of Industry and Commerce, sampling overview in September this year, Guangzhou Municipal Bureau of Industry and Commerce commissioned statutory inspection agencies on the city's wholesale market, shopping malls, supermarkets, special stores and other circulation links of edible oil sampling inspection, samples involving similar products on the market, inspection items including labels, net content, color, moisture and volatiles, refring index, relative density (proportion), heating test Acid price, peroxide value, leachate oil solvent residue, antioxidant (BHA, BHT, TBHQ), aflatoxin B1, fatty acid composition, trans fatty acids, benzene (α) , 666, DDT, insoluble impurities (impurities), lead, total arsenic, heating test, carbide base price, etc.
total of 79 batches of samples taken, after inspection, the physical quality qualified 77 batches, the physical quality pass rate of 97.5%.
food category sampling sample batch physical quality qualified batch physical quality pass rate physical quality non-conforming items edible conditioning oil 3535100%/edible vegetable oil 444293.3% palmic acid, stearic acid, lyic acid, flaxic acid, acid value total 797797.5%/II, non-conformity analysis of this edible oil sampling out of the physical quality non-conforming items are: fatty acid composition and acid value.
(i) fatty acid composition does not meet the standard requirements.
fatty acid composition is the most important characteristic index to judge the purity of edible vegetable oil, and the analysis of fatty acid composition index of edible vegetable oil products can make all kinds of doped products all shaped.
if the composition of edible vegetable oil fatty acids does not meet the standard requirements, indicating that the product does not meet the requirements of the express standard, can not be called pure peanut oil or rapeseed oil, can only be called edible toned oil.
the composition of fatty acids is mainly due to individual manufacturers of low-value oil into high-value oil.
(ii) acid value does not meet the standard requirements.
is an important health indicator to measure the degree of oxidation and acid failure in fatty foods.
Oil acid defeat makes fat decomposition to produce fatty acids, aldehyde and ketones and other compounds, easy to lead to food color, aroma, taste changes, that is, commonly known as "haraz", acidic oxidation products such as aldehyde, ketones, etc. also have a certain toxicity, may affect the normal metabolism of the human body, thereby endangering health.
, consumption tips at present, the Guangzhou Municipal Bureau of Industry and Commerce has taken the test of unqualified food off the shelf, storage, investigation and other measures to prevent unqualified food into the market.
At the same time, remind consumers to pay attention to: First, to see the label of each bottle of oil, brand, ingredients, grease grade, product standard number, manufacturer, production date, shelf life, storage conditions and so on.
storage of edible oil also has a certain period of time, should not be too long.
If you find that the oil has a different color, smell or heat when there is too much foam, and accompanied by the bitter smell of oil is inferior oil or deterioration oil, can not be consumed.
second is to look at the color.
general high-quality oil color light, low-quality oil color dark (except sesame oil), oil color depth is also due to its different varieties and make the same taste oil color slightly different.
third is to look at transparency.
general high-quality oil transparency is good, no turbidity.
fourth is to see if there is sediment.
high-quality oil without precipitation and suspension, small viscosity.
is to see if there is a layered or floc-like precipitation phenomenon.
if there is layering or flocculation precipitation is likely to be mixed oil.
annex non-conforming food information summary table sample name label trademark model specification production date or batch number label production unit address physical quality non-conforming project food category Sichuan rapeseed oil Thai Royal Township 1.46L/bottle 2013-7-14 Jiedong County Baita Town Guangdong Feng edible grease factory Guangdong Province Jiedong County White Tower Town Tower North Village New Army roadside palmic acid, stearic acid, lysic acid, flaxic acid edible vegetable oil yanjia peanut oil famous 1.3L / bottle 2013-5-8 Dongguan City Wanjiang