The difference between pressing peanut kernels to make peanut oil and grinding peanut kernels to make peanut butter and then using oil pressing equipment to make peanut oil.

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In depth exploration of two different processing paths for peanut kernels, one is direct pressing to produce peanut oil, and the other is grinding peanut kernels into peanut butter before pressing oil. There are significant differences between the two in terms of process, cost, efficiency, and the flavor of the final product.

Firstly, from a technological perspective, the direct pressing method is more direct and traditional. It retains the most primitive aroma and nutritional components of peanuts, and extracts oil directly from the peanut kernels through physical pressure, reducing intermediate steps and maintaining the purity of the oil. Grinding into peanut butter and then pressing oil adds an additional step of fine grinding. Although this step can further break down peanut cells and promote oil release, it may also change the color and flavor of the oil due to heating or oxidation during the grinding process.

In terms of cost-effectiveness, the direct pressing method, due to its simple steps, often requires less equipment and labor costs in the initial stage, making it suitable for small-scale or family style production. The method of grinding and then pressing oil may increase the oil yield, but the additional grinding equipment, energy consumption, and subsequent processing costs cannot be ignored, making it more suitable for large-scale and industrial production.

In addition, in terms of product flavor, directly pressed peanut oil often has a strong peanut aroma, clear color, and pure taste; Peanut oil that has been ground may have a slightly complex flavor due to changes during the grinding process, sometimes with a slight caramel or nutty blend, making it suitable for consumers who pursue unique flavors.

In summary, both processing methods have their own advantages. Choosing which method to use depends on multiple factors such as production scale, market demand, and cost control. Whether directly pressing or grinding before pressing oil, it is the wisdom crystallization of peanut kernels transforming into delicious and healthy oils.

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