Eating out 5 tips on "gutter oil"

Normally friends get-together, or regularly eat a snack, avoid eating out, but do you realize the danger approaching?

This dangerous from trench oil, trench oil actual is a refers to of concept, is various inferior oil of known, including will sewer in the of greasy floating real collection and processing refined of oil; inferior pork, and pig visceral, and pigskin by processing refined out of oil; fried food of oil using times over provides Hou, again was repeat using or to which added some new oil Hou again using of oil.

They openly on the table, it makes it difficult to read, causing great harm to health. Jinan, Shandong Institute of nutrition Director, Qi Cui Hua, an associate professor of nutrition at the University believe that cooking oil contains a lot of organic matter, organic matter decomposition under high temperature for a long time will have a lot of toxic and harmful substances. Moreover, waste oil recycling process, vulnerable to the pollution of heavy metals such as lead, eating may cause headache, dizziness, insomnia, fatigue, indigestion and other symptoms, and even cause toxic liver disease, stomach cancer and kidney cancer.

Therefore, when eating out, consumer practice identifying waste oil "skill" is very important. Associate Professor of food science and nutritional engineering, China Agricultural University, Fan Zhihong said waste floats the waste oil refining, blending, ordinary consumers are unable to identify, but the throw was the repeated heating, poor quality oil, can be identified. The harm of cooking oil from "repeated heating" and "oxidation", vitamin e and essential fatty acids and other nutrients lost. Less nutritious oils are "bad oil", and fatty liver, hyperlipemia, hypertension, cholecystitis, stomach problems, heart disease and other diseases has relationship. Fan Zhihong recommends the following 5 tips, help you find the used cooking oil.

1. is vegetarian, eat meat, in all likelihood is not new.

2. vegetable oil is not clear, color, turbidity, estimates were several times used inferior oil, because the oil in the heating process will gradually become darker in color.

3. fresh vegetable oil is smooth and easy flow of qualified, no greasy feeling, rinse in water, easy to rinse off oil. Waste oil tastes sticky and tasted no fresh feeling, even in hot water are very difficult to rinse off. You can also add a few drops of oil on your finger, fingers rubbing back and forth, if there is a sticky, edible oils a real possibility.

4. Doggie bag home, put it in the fridge a few hours out. If grease has solidified or half set, note oil of poor quality, or use animal fats such as lard, trans fatty acids, high content of saturated fatty acids, the oil too much is bad for the heart.

5. eliminate food allergies, if feel astringent voice discomfort after eating, or stomach pain, diarrhea and other gastrointestinal diseases, probably because it was eating a inferior oil.

Finally, Fan Zhihong reminder, street stalls, shops, especially unlicensed restaurants, usually specifically in reference to oil, the business tends to hand down from the oil in order to reduce the cost. In addition, some Sichuan Museum, hot pot restaurants, because the large quantity of oil, is it possible to use waste oil, and dishes taste, spices and cover up the taste of inferior oil, make it harder for consumers to distinguish, try to eat as well.