<h1 class="pgc-h-arrow-right" > the various slogans of cooking oil are not dazzling you</h1>
I have encountered such a thing not once or twice, often hear some people discussing about buying soybean oil to choose a few levels of good, some people say that of course is the first level of good, some people also say three levels of good, why there is such a question, because now the supermarket is full of various edible oils, are marked on the outer packaging with some eye-catching words, such as: "extra virgin XX oil", "5S pressed first grade XX oil", "refined XX oil" and so on!
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总之不同品牌的食用油，主推健康、营养均衡、压榨工艺等不同的概念，让人难以选择。
不同商家推出了的一系列宣传名词中，消费者又该如何选择是好呢？ 下面我们就说说这一系列食用油名词背后的含义，以及平时我们购买食用油到底该如何选择最好！
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<h1 class= "pgc-h-arrow-right" > high grade edible oil can only represent high refining, not good quality! </h1>
大多数食用油例如：玉米油、花生油，大豆，按照品质从高到低，分为一级、二级、三级、四级。
The higher the grade of edible oil, the higher its refining degree, that is to say, the fewer its magazines, the purer the oil! But such impurities less pure edible oil does not mean that it must be the best, the most suitable choice!
This is like pure water, although it is very clean, but it can not provide us with some essential nutrients, the same reason flour is also, the high-precision flour on the market, special precision flour, ultra-fine flour, etc., through a series of grinding processes will be wheat grinding very delicate, but at the same time it loses a lot of nutrients!
So it's not true that high-grade cooking oil is better than low-grade cooking oil!
Question: Since cooking oil is not as high as possible, why are there many manufacturers launching a series of refined oils?
原因就是：虽然级别越高的食用油，在加工过程中流失的营养往往越多。 但是食用油精炼加工越充分，越有利于去除毛油中存在的有害杂质，从而提高食用油的品质！
但是在精炼过程中也同时会去掉很多对人体有益的成分，例如维生素E、胡萝卜素等。 所以食用油的精炼是一把双刃剑，有好有坏，从营养的角度看，级别越高的食用油，营养相对较低。 Conversely, the lower the level of cooking oil, the better the nutrient retention.
另外从口感角度说，不同等级的食用油还是有些差别。
例如：有些级别的食用油经过脱臭工艺，会改变食用油固有的香味！
For example, if someone likes the flavor of peanuts, they can choose to squeeze peanut oil; if someone does not like the beany smell of soybeans, they can choose first-grade soybean oil instead of grade 3 or 4.
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<h1 class="pgc-h-arrow-right" > which is better, the best oil to extract, is far more important than the grade of oil selection! </h1>
Pressed oil and leaching oil are two different processes for refining edible oil, and the two different processes have great differences in oil yield and have a certain impact on the quality of edible oil!
Pressed oil: Oil is refined by physical means
The most traditional way of refining edible oil, the pressed oil from the general rural small workshop is also called "stupid bean oil", this way of refining oil, mainly through the extrusion of oil raw materials, and then squeeze out vegetable oil!
Leaching oil: The oil is refined chemically
上面也说了，压榨法提炼食用油的通病就是出油率低，不管是怎样改进，都不可能把压榨的效率提得特别好，于是，一种化学方法上马了，也就是浸出油，也被称作是萃取法提炼的食用油！
This method is mainly the use of some organic solvents, the oil is extracted from the okara, for example, the boiling point of some organic solvents used is very low, so it can be evaporated by heating these organic solvents, which is the more common extraction method to extract edible oil!
Therefore, through the above two different refining oil process explanations, do you think that the process of selecting the right refining oil is far more important than the selection of edible oil grades?
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<h1 class="pgc-h-arrow-right" > which is better, GMO edible oil and non-GMO edible oil, and why are non-GMO oils marked on the market? And the price is still high! </h1>
Many people think that there is a difference in the DNA and protein of GM soybeans and non-GM soybeans, so there are also differences between the two extracted oils! However, the modern edible oil processing process is actually a process of removing and purifying the non-triglyceride components in the oil, and the processed edible oil, the DNA inside and the residual components of the protein trace cannot be detected by the general detection method, so it is generally considered that the processed edible oil is not good for genetically modified ingredients!
All in all: although there are differences in raw materials between genetically modified soybean oil and non-genetically modified soybean oil on the market, there is no difference between the two for soybean oil products, so the difference between the two oils can be said to be to pay the "IQ tax".
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