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地沟油是一个泛指的概念,是人们在生活中对于各类劣质油的统称。地沟油可分为三类:一是狭义的地沟油,即将下水道中的油腻漂浮物或者将宾馆、酒楼的剩饭、剩菜(通称泔水)经过简单加工而提炼出的油;二是由劣质猪肉、猪内脏、猪皮加工以及提炼后产出的油;三是用于油炸食品的油使用次数超过规定后,再被重复使用或往其中添加一些新油后重新使用的油。我们通常所说的属第一种。地沟油在炼制过程中,里面的脂肪酸构成遭遇了很大破坏和改变。化验结果显示,动植物油经污染后会发生酸败、氧化和分解等,从而产生中毒性物质,砷就是其中的一种。人食用后,会出现消化不良、头痛、头晕、失眠、乏力、肝区不适等一系列症状。医学专家还
Waste oil is a general concept, people in life for all types of low-grade oil collectively. Waste oil can be divided into three categories: First, the narrow waste oil, about to sewer floating oily or hotel, restaurant leftovers, leftovers (commonly known as water) after simple processing and extraction of oil; the second is from poor quality Pork, pig offal, pig skin processing and refined oil produced; third is for the use of fried foods more than the required use of the oil, and then be reused or to add some new oil after the re-use of oil. We usually say the first one. Waste oil in the refining process, the fatty acid composition inside suffered a great deal of damage and change. Test results show that animal and vegetable oil pollution occurs after rancidity, oxidation and decomposition, resulting in toxic substances, arsenic is one of them. People eat, there will be indigestion, headache, dizziness, insomnia, fatigue, liver discomfort and a series of symptoms. Medical experts also