The feature of refined oil:
Refined oil is the healthy oil which removed the harmful impurities in the crude oil, and achieved the state quality standard. The refined oil has a great number of advantages over the crude vegetable or animal oils, the refined oil is more sanitary, more healthy and more suitable for human's daily edible uses.The refined oil is non-deteriorate, easy to store and produce less lamp black when cooking. The feature of crude oil:
crude oil means the vegetable or animal oil without refining after being extracted. This kind of unrefined crude oil includes a series impurities like phospholipids, FFA, pigment, off-flavor etc. which is the mixture of fatty acid triglyceride, and non glycerol substance, all these are not good for human's health.
