Peanut oil is a staple in many kitchens around the world, valued for its rich flavor and health benefits. Understanding the production process, especially the differences between hot - pressed and cold - pressed processes, can help consumers make informed decisions. Let's take a closer look at how peanut oil makes its way from the fields to our tables.
It all starts with the shelling of peanuts. When peanuts arrive at the processing facility, they are typically in their shells. Specialized shelling machines are used to remove the outer shells. Statistics show that modern shelling machines can process up to 1000 kilograms of peanuts per hour, ensuring high - efficiency production.
After shelling, the peanuts undergo a thorough cleaning process. This step is crucial as it removes dirt, debris, and any other impurities. The peanuts are then pre - treated to enhance their quality for the subsequent pressing processes. This might involve steps like drying to achieve an optimal moisture content, usually around 8 - 10%, which is ideal for oil extraction.
| Process | Temperature | Advantages |
|---|---|---|
| Hot - pressed | The peanuts are heated to around 120 - 180°C before pressing. | This process generally yields a higher oil output, up to 45 - 50% of the peanut's weight. It also gives the oil a stronger, more intense flavor, which is preferred by some consumers for cooking. |
| Cold - pressed | The temperature during pressing is kept below 60°C. | Cold - pressed peanut oil retains more of the natural nutrients and antioxidants in peanuts. The oil has a milder flavor and is often considered a healthier option. However, the oil yield is relatively lower, around 35 - 40%. |
For hot - pressed oil, the pre - treated peanuts are cooked to the appropriate temperature. Then, they are crushed into small particles to expose the oil - bearing cells. Specialized peanut oil presses are used to extract the oil. These presses can apply high pressure to squeeze out the oil from the crushed peanuts.
For cold - pressed oil, the peanuts are directly crushed and pressed without the high - temperature cooking step, ensuring that the nutrients are preserved as much as possible.
After pressing, the crude peanut oil goes through a refining process. This includes steps like degumming, neutralization, bleaching, and deodorization to remove impurities, free fatty acids, and unpleasant odors. The refined oil is then filtered to ensure clarity and purity. Finally, the oil is filled into bottles or containers, ready for distribution to the market.
After the oil is extracted, the remaining oil cake is not wasted. Many peanut oil production companies have adopted an environmentally - friendly approach by reusing the oil cake. The oil cake can be used as animal feed or as a raw material for fertilizer production, which not only reduces waste but also contributes to resource recycling.
Throughout the entire production process, from shelling to filling, peanut oil manufacturers adhere to strict quality control standards. Every step is carefully monitored to ensure that the final product is of the highest quality. Consumers can rest assured that the peanut oil they purchase has undergone a rigorous and meticulous production process.
If you're looking for high - quality peanut oil, make the smart choice and trust our brand. Click the button below to place your order and experience the difference of our carefully - crafted peanut oil!
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