With the improvement of living standards, in recent years, people pay more and more attention to the nutritional composition and health care value of edible oil when choosing edible oil. As a result, olive oil has been favored by more and more people in China, and has been brought to the dining tables of more people in China. Many people have heard that olive oil is liquid gold and the best edible oil, but now there are more than a dozen brands of olive oil sold in supermarkets with different prices. I don't know how to choose. Is olive oil as expensive as possible? What do the ingredients on the back label mean? Olive oil is the healthiest edible oil in the world at present. Strictly speaking, it is necessary to identify olive oil by near infrared spectroscopy in the laboratory, but this method is obviously not suitable for the public to identify olive oil. So how do we ordinary people identify the quality of olive oil? 1. First of all, look at the acidity range indicated on the bottle label. According to the national standard, the extra virgin olive oil is less than or equal to 0.8%. If it is less than or equal to 0.5%, you can't buy this oil. This range is too distorted, indicating that it is probably chemical deacidification. 2. Look at the fatty acid content indicated on the label. The higher the unsaturated fatty acid content, the better the quality of olive oil. Similarly, the content of trans fatty acids will be low. Generally, the trans fatty acid content of extra virgin olive oil is about 0.03%, which is the laboratory data. Tea oil is at the level of 1.0 1%. It can be said that the trans fatty acid content of olive oil is extremely low, but generally there is no trans fatty acid. 3. It is not that the more expensive the olive oil, the better. It is also possible that the purchase price of olive oil is not so high, but the merchants deliberately bid up the price for profit. According to the international market price, 10L extra virgin olive oil is reasonably priced at around 130. If you want to buy higher grade olive oil, you can directly choose a brand with DOP organic certification in the European Union. The label of this olive oil will be printed with DOP logo. Consumers can easily see that this grade of olive oil is extra virgin olive oil. Although the price is higher than ordinary olive oil, DOP represents the highest grade of processed agricultural products in Europe. She also suggested that when consumers buy olive oil, don't forget to identify the origin. The best olive oil producing areas in the world are Italy, Greece and Spain, and other Mediterranean countries also produce olive oil, but overall, the quality of olive oil is not as good as the first three countries. In addition, you can know whether the olive oil is good by opening the bottle and smelling it. The first-grade olive oil will have a strong grassy smell, which means that the olive oil on your hand is completely cold pressed. If there is no smell, there must be chemical intervention to deodorize it. And it is not clear olive oil or good olive oil. There are many kinds of olive oil with pulp precipitation, which feels like sticky juice, but it is the best olive oil. 5. How to judge whether olive oil is purely imported can be seen from the drawing part of the bottle mouth. If there is a small picture that can open the lid of the bottle mouth, it is the original bottle entrance. If not, and the bottle label is not fine and beautiful, it can be concluded that this is not the olive oil imported from the original bottle. Print recipes