The process of obtaining acid oil is not easy, to wait for the acid to mature after peeling meat, take out the nucleus of the acid crucible, and then cut the nucleus of the acid crucible, take the kernel, and then after a series of refining process, such as strict frying, low temperature pressing, deacidization, dehydration, etc., in order to extract the essence of the oil. According to this extraction method, every 1 ton of wild acid can only get 10 kg of sourdough, and more than a thousand acid kernels can extract a drop of acid eucalyptus oil, which can be seen as precious, so it is called "gold in oil".
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