In our daily lives, peanut oil is a common yet indispensable cooking ingredient. Its rich flavor and high nutritional value make it a favorite among many families. Today, we will embark on a journey to uncover the mystery of how peanut oil makes its way from raw materials to our dining tables.
The journey of peanut oil begins with the humble peanuts. These peanuts usually come in their shells. The first step is to shell them. This process is not as simple as it sounds. Modern peanut - shelling machines can handle large quantities of peanuts efficiently. For example, a medium - sized shelling machine can shell about 500 kilograms of peanuts per hour. After shelling, the clean peanuts are ready for the next stage.
Once the peanuts are shelled, there are two main methods for extracting oil: hot - pressing and cold - pressing. Hot - pressing involves heating the peanuts to a certain temperature before extraction. This process can increase the oil yield significantly. Generally, the oil yield of hot - pressing can reach up to 45% - 50%. The hot - pressed peanut oil has a stronger aroma, which is loved by those who prefer a more intense flavor in their cooking.
In contrast, cold - pressing is carried out at a relatively low temperature. This method can better preserve the nutrients in the peanuts, such as vitamin E and unsaturated fatty acids. Although the oil yield of cold - pressing is slightly lower, usually around 38% - 42%, the resulting oil is of high quality and is often considered more suitable for health - conscious consumers.
Before the actual oil - extraction process, the peanuts need to be thoroughly cleaned and pre - treated. This step is crucial for ensuring the purity of the raw materials. The peanuts are washed to remove dirt, sand, and other impurities. Then, they may go through a drying process to adjust the moisture content. The ideal moisture content for peanut oil extraction is around 8% - 10%. This not only helps in the extraction process but also ensures the quality and shelf - life of the final product.
During the cooking stage, the roasting temperature plays a vital role. If the temperature is too high, it may damage the nutrients in the peanuts and affect the flavor of the oil. A suitable roasting temperature is usually between 120 - 150 degrees Celsius. After roasting, the peanuts are crushed. This step can break the cell walls of the peanuts, increasing the contact area between the oil and the extraction equipment, thereby significantly improving the oil - extraction rate.
Most peanut oil is extracted using a spiral peanut oil press. This machine can continuously and efficiently extract oil from the crushed peanuts. After the oil is extracted, there is a by - product called oil cake. Don't underestimate this oil cake. It can be used as animal feed or as an organic fertilizer, realizing the full utilization of resources.
The freshly extracted peanut oil is still in a crude state. It needs to go through a refining process to remove impurities, odors, and free fatty acids. This 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 other containers, ready to be sent to the market.
Throughout this entire process, our company adheres to strict quality control standards. Every step is carefully monitored to ensure that the peanut oil we produce is of the highest quality. We are committed to providing consumers with pure, healthy, and delicious peanut oil. By understanding this detailed production process, we hope you can have more confidence in our brand and products.
Are you ready to bring our high - quality peanut oil to your dining table? Click here to make your purchase and start enjoying the deliciousness!
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