Groundnut Oil Machine Manufacturers
Connect with verified groundnut (peanut) oil machine manufacturers on Towobo. Source groundnut oil presses, extraction equipment, and complete groundnut oil processing lines for small and large-scale peanut oil production.
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Browse Groundnut Oil Machine Suppliers →Groundnut oil processing — specific considerations
Groundnut (peanut) oil processing shares many similarities with other vegetable oil processing but has several specific requirements. The groundnut kernel has a relatively high oil content (45–52% oil in the kernel), making mechanical pressing efficient. Aflatoxin contamination is the most significant food safety risk in groundnut processing. Aflatoxins are mycotoxins produced by Aspergillus fungi that grow on groundnuts under humid storage conditions. They are carcinogenic and regulated at very low levels (typically 4–10 ppb total aflatoxin for food use) in most markets. Sorting by optical colour sorter and UV detection of contaminated kernels before processing is the primary intervention to reduce aflatoxin in groundnut oil and groundnut cake. Aflatoxins are not destroyed by conventional refining processes, though they are significantly reduced during the RBD refining stages. Starting with low-aflatoxin raw material is the primary food safety control. The groundnut cake by-product (40–45% protein after full oil extraction) has high value as an animal feed ingredient — its aflatoxin content must also be within permitted limits for the intended feed application.