1. Physical cold pressing method: This method uses olive oil and walnut oil. The advantage is that it will not destroy too many nutrients in the oil and can retain the original flavor. The disadvantage is that the oil yield is low and the impurity content is relatively high. The specific operation steps are as follows:
First, you need to prepare okra seeds and dry them. Because the oil content of okra is low, it must be squeezed by a high-pressure screw oil press. The oil press with low pressure can't squeeze oil.
-Put the dried okra seeds into an oil press to extract oil. The oil yield per 100 kg of okra seeds is about 10- 15 kg, and the specific yield depends on the planting environment, moisture, fullness and other factors of okra.
-The squeezed oil needs to be filtered to remove impurities, so as to obtain clean okra seed oil.
2. Chemical extraction method: This method has the advantages of high oil yield and clean and transparent oil, but the disadvantage is that it cannot retain too many nutrients in the oil. The specific operation steps are as follows:
First, you need to prepare okra seeds and dry them. Then the okra seeds are ground into powder to facilitate the subsequent extraction operation.
-Use chemical solvents (such as alcohol, ether, etc.). ) Extract okra seed powder and extract oil from the seed powder.
-Recovering and distilling the extracted oil to remove solvents and other impurities to obtain clean okra seed oil.
These are two ways to extract oil from okra seeds. It should be noted that no matter which method, we should pay attention to hygiene and safety to avoid oil pollution or deterioration.