In the domestic market walnuts range in price from 30 to 100 dollars per 500 grams. There are many are thin-skinned ready-to-eat walnuts. The market price of walnuts really used for oil extraction is about 30 to 40 dollars. Using the most natural cold pressing method, the oil yield is less than 30%, so that the cost of walnut oil alone in the walnut raw material will be more than 60 yuan, and with the cheapest walnuts. The cost of some good quality is about 70, plus packaging, transportation, labor and other costs. Therefore, less than 70 yuan are basically mixed oil, that is, walnut oil and other cooking oil mixed, masquerading as walnut oil for sale. Although such oil tastes nothing different, but completely lost the role of walnut oil should be. So here to remind everyone, shopping, especially to buy food, do not be greedy cheap.

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