Have you ever wondered how the delicious and high - quality peanut oil on your table is produced? Today, we embark on a journey to explore the intricate and professional production process of high - quality peanut oil, which can add a significant advantage to your export business.
The production of peanut oil starts with the shelling of peanuts with shells. Specialized shelling machines are used to efficiently separate the peanuts from their shells. This process not only saves a lot of labor but also ensures the integrity of the peanuts. On average, a modern shelling machine can process about 500 - 1000 kilograms of peanuts per hour, greatly improving the initial production efficiency.
The hot pressing process is a traditional and widely used method. First, the peanuts are roasted to a certain temperature, which can enhance the fragrance of the oil. Then, they are sent to the oil press. The hot - pressed peanut oil has a rich and strong aroma, making it very popular in the market. After pressing, the oil cake can be used as high - quality animal feed or organic fertilizer. For example, a peanut oil factory in Shandong Province, China, has achieved great success using the hot - pressing process. Their annual output of high - quality peanut oil reaches 5000 tons, and the oil cake is also sold well in the livestock and fertilizer markets.
In contrast, the cold - pressing process is carried out at a relatively low temperature. This process can better preserve the nutrients in peanuts, such as vitamins and unsaturated fatty acids. The cold - pressed peanut oil has a lighter color and a more delicate taste. The oil cake from the cold - pressing process can also be used for animal feed or further processed into high - protein food additives. Compared with hot - pressing, cold - pressing has a lower oil yield, usually about 30% - 35%, while hot - pressing can reach 40% - 45%.
Peanut cleaning is an important step in the production process. Specialized cleaning machinery can remove impurities such as soil, sand, and small stones from peanuts. This not only improves the quality of the final oil product but also increases the oil yield. According to research, using advanced cleaning machinery can increase the oil yield by about 2% - 3% and improve the production efficiency by about 15% - 20%.
Baking temperature has a significant impact on the flavor of fragrant peanut oil. When the baking temperature is around 150 - 180 degrees Celsius, the peanuts will produce a rich and unique aroma. For instance, a peanut oil brand in the United States found that by adjusting the baking temperature to 165 degrees Celsius, they could produce peanut oil with a more intense and appealing fragrance, which increased their market share by 10%.
The crushing process can break the peanuts into smaller particles, which is beneficial for increasing the oil yield. Moreover, the red skin of peanuts can be collected during this process. The red skin of peanuts is rich in bioactive substances and can be used in the pharmaceutical and health - food industries.
During the oil - pressing process, parameters such as pressure, temperature, and time need to be precisely controlled. Generally, the pressure is maintained at about 30 - 50 MPa, and the temperature is around 80 - 120 degrees Celsius. After pressing, the oil cake can be further processed through methods such as extraction and refining to extract residual oil and other useful substances.
The production process of high - quality peanut oil is complex and professional, which reflects the pursuit of quality by brands. Understanding the exquisite production process of peanut oil can provide you with a core competitive edge in the export business. Are you ready to take advantage of this knowledge to expand your market? If you want to learn more about high - quality peanut oil production and explore potential business opportunities, please contact us now!
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