Peanut oil holds a significant position in our daily lives. It is widely used in cooking due to its unique flavor and nutritional value. In this article, we will take you on a detailed journey to discover how peanut oil is produced from raw materials to your table.
The first step in the production of peanut oil is to remove the shells from the peanuts. On average, a typical peanut shell accounts for about 25% of the total weight of the peanut. By shelling the peanuts, we can obtain pure peanuts, which are essential for the subsequent oil - making process. Specialized shelling machines are used to ensure high - efficiency and quality shell removal.
There are two main methods for extracting peanut oil: hot - pressing and cold - pressing. In the hot - pressing process, peanuts are heated to a temperature of around 120 - 130°C. This process can produce peanut oil with a strong and rich flavor, which is favored by many consumers. On the other hand, cold - pressing is carried out at a relatively low temperature, usually below 60°C. Cold - pressed peanut oil retains more nutrients such as vitamins and antioxidants, which is beneficial for health. According to research, cold - pressed peanut oil can retain up to 80% of the original nutrients in peanuts.
After shelling, the peanuts need to be cleaned and pre - treated. This step is crucial as it can ensure the purity of the raw materials. The peanuts are washed with clean water to remove impurities such as dust, sand, and debris. Then, they are dried to an appropriate moisture content. Generally, the moisture content of peanuts for oil extraction should be controlled between 8% - 10% to ensure the best oil - extraction effect.
During the cooking process, the baking temperature of peanuts has a significant impact on the quality of the oil. If the temperature is too high, it may cause the peanuts to burn, resulting in a bad smell and reduced oil quality. If the temperature is too low, the oil yield may be affected. The optimal baking temperature is usually around 100 - 110°C, which can not only improve the oil yield but also maintain the flavor and quality of the oil.
Crushing the peanuts is an important step to improve the oil yield. By crushing the peanuts into small particles, the surface area of the peanuts is increased, which makes it easier for the oil to be released during the pressing process. Studies have shown that after proper crushing, the oil yield can be increased by about 5% - 10%.
The oil - pressing process usually uses a spiral peanut oil press. This type of press is highly efficient and can achieve an oil yield of up to 40% - 50%. After pressing, the remaining oil cakes are not wasted. They can be used as animal feed or fertilizer, realizing resource reuse and environmental protection.
The freshly - pressed peanut oil needs to be refined to remove impurities, odors, and harmful substances. The refining process includes degumming, deacidification, decolorization, and deodorization. After refining, the peanut oil becomes clear, transparent, and has a longer shelf - life. Finally, the refined peanut oil is filled into bottles or containers, ready to be sent to the market.
This article has detailed the production process of peanut oil, allowing you to clearly understand the origin and production of the product. It reflects our strict control over quality. You can rest assured to buy our peanut oil. If you are interested in our high - quality peanut oil, please click the button below to place an order now!
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