1, lard residue in 3, 4 benzene quake pyrene content is very high, the longer the frying time, the higher its content. If you often eat lard or lard residue, will significantly increase the probability of esophageal cancer, stomach cancer.

2, most of lard is made from lard after long time and high temperature boiling, when the oil temperature is up to more than 200℃, it will produce a large number of peroxides and other carcinogens, and the burnt oil residue will also produce tar, dimethylnitrosamine and other carcinogens, so the long-term consumption of lard residue can induce gastric cancer.

3, if the lard in the light, high temperature, humidity, not ventilated environment after storage for some time, the free unsaturated fat in lard will be oxidized to generate aldehydes, ketones and other chemical substances, put out the unpleasant "halo smell", the color of the oil will be changed from white to brownish yellow.

Many old people like to re-boil once more to cool down and then consume, this practice is very wrong, for this has been deteriorated lard often consumed, it is easy to lead to liver cancer.

4, long-term consumption of oil residue, will produce increased cholesterol, high blood pressure and other obesity, if the oil residue is too mushy and burnt, it is best not to eat.

5, oil residue still contains a lot of animal fat, belonging to the saturated fatty acids, i.e., hard fat, eat less no harm, eat more harmful to the human body. It can not only cause obesity, but also raise cholesterol, leading to atherosclerosis, hypertension, heart disease, cardiovascular disease.

Oil residue features:

"Oil residue", oil residue child full name is called "lard residue child", also known as lard, lard net oil. It is people with fat pork fried oil left over meat residue. After refining the oil dregs, in the pot to cook again, add pepper, dashi, eat, shelves sesame sauce, soy sauce, fragrant and not greasy.

The main components of the oil dregs:

The main components of the oil dregs for a variety of fat mixture, containing a large amount of fat, there is a small amount of epidermis, if the temperature is too high by the heat, resulting in a paste charcoal, there will be some of the charcoal black formation.

People's Daily Online - lard dregs fragrant and crispy? Often eat lard to be careful of esophageal cancer

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