Cottonseed oil is oil extracted from cotton seeds and divided into pressed cottonseed oil, leached cottonseed oil, genetically modified cottonseed oil, and cottonseed crude oil-made cottonseed oil. The color is darker than other oils. It can be used for human consumption after refining. It contains a lot of essential fatty acids and is most suitable for mixed with animal fat. However, consumption of crude cottonseed oil can cause spermatogenic cell damage, leading to azoospermia.
Crushing cottonseed oil: oil obtained by directly pressing cottonseeds.
Leaching cottonseed oil: Oil obtained from cottonseed by leaching.
Transgenic cottonseed oil: Oil made from genetically modified cottonseeds.
Cottonseed Crude Oil: Cottonseed oil that has not been treated directly for human consumption.
Finished cottonseed oil: Cottonseed oil directly processed for human consumption that meets the national standards for refined oil product quality and hygiene requirements.
Refined cottonseed oil is generally orange or brown in color, fatty acids contain palmitic acid 21.6-24.8%, stearic acid 1.9-2.4%, arachidic acid 0-0.1%, oleic acid 18.0-30.7%, linoleic acid 44.9-55.0%, The refined cotton oil removes gossypol and other toxic substances and is available for human consumption. Cotton oil contains a large amount of essential fatty acids, and it is most suitable to be mixed with animal fat. Because the content of linoleic acid in cotton clear oil is particularly large, it can effectively inhibit the rise of cholesterol in the blood and maintain the health of the human body. The body's absorption rate of cotton clear oil is 98%.
Cottonseed oil production process
1. Put 1/4 to 1/3 of the capacity in the frying pan, stir it evenly, diligently, and the fire cannot be too big, so as not to cause the shell to coke. After frying, the cottonseed is smoothed in the trough, and a barrel is used to disperse the hot steam, and it is convenient for sieving and cleaning after cooling.
2. Sifting
Use artificial sieve or fixed sieve to remove dirt and impurities.
3. Grinding
When grinding, the material should be less, and it should be uniform and continuously. Cottonseed oil
Flow, the speed of the mill is properly fast, making the cotton seeds easy to break.
4. Add water
With the roll groove ring sprinkled water, grinding, while spraying water, one side of the seeding, so that the billet water evenly, grinding consistent, about rolling 20 minutes, until the small billet does not clump.
5. Steaming blank
The powder compact is poured into the steaming bucket to be flattened by hand so that the air in the steaming bucket can be evenly distributed, and the billet temperature and moisture are uniform. The bottom of the steaming drum is rounded and shaped like a bowl. The heat is even and the water level of the steamer is the same. The distance between the bottom of the steaming drum and the surface of the water is more than 16 cm, and the fire must be even.
6. Package
The wrapper should master the dispersed wrapper. Faster, tighter, and more concentrated and faster. For a single lap of pizza, about 2 cm thick after pressing, the time should be shortened as much as possible to prevent heat loss in the billet.
7. Press
The cake is aligned during virginity, and the distance between the circle and the circle is adjusted so that the cake is not uneven. When the tip is added, it is not until the flow of oil is not in line. When the oil line is broken, press it again for 2 hours to squeeze it.
8. Clarification and filtration
There are many impurities in the pressed oil. It should be cooled quickly, left standing for a period of time before being filtered, so as to avoid deepening the color and increase the loss of refining.