What does rapeseed oil look like when squeezed out?

It is best to squeeze rapeseed oil first-class oil.

Rapeseed oil is divided into primary, secondary, tertiary, tertiary and primary.

1, primary oil and secondary oil are highly refined. After degumming, deacidification, decoloration and deodorization, it has the characteristics of tasteless, light color, high smoke point, less cooking fume and difficult solidification at low temperature. After refining, the content of harmful components in primary oil and secondary oil is low, and many nutrients are lost;

2. The refining degree of the tertiary oil and the tertiary oil is low, and only through simple degumming, deacidification and other processes. Its color is dark, the smoke point is low, and the oil smoke is large during cooking. Due to the low degree of refining, the impurities in the third and fourth grade edible oils are high, and some carotene, chlorophyll and vitamin E are also retained.

3. The primary and secondary oils have high purity and low impurity content, and can be used for cooking at higher temperature, such as stir-frying. Third-and fourth-grade oils are not suitable for high-temperature heating and can be used to make soups and stews.

Edible guide

1. Oil has a certain shelf life, so don't eat oil that has been left for too long.

2, because there are some "green flavors", it is not suitable for direct use in cold dishes.

3. The oil heated at high temperature should be avoided to be reused.

4. The oleic acid content of unsaturated fatty acids in high-quality rapeseed oil is second only to olive oil, and the average content is about 6 1%. In addition, the contents of oleic acid and linoleic acid beneficial to human body in rapeseed oil rank first among all kinds of vegetable oils. Experts believe that there are many misunderstandings in edible oil consumption of urban and rural residents due to the strong recommendation of foreign grain merchants. Therefore, people should know more about the nutritional characteristics of rapeseed oil and actively advocate edible rapeseed oil.

Rapeseed oil has a certain pungent smell, which is called "green smell" by the people. This smell is due to the fact that it contains a certain amount of glucosinolates, which are not contained in excellent varieties of rapeseed.