... , Sichuan, Shandong, Hunan and Zhejiang provience is the second cotton producing area. Cotton oil is one of the most popular edible oils ... that the semifinished cotton oil contains about 1% free oil, other ramification, phosphorus fat, sterol and etc. When refine it, gossypol, mucilage ... can be removed, the content can be 0.01% or even less. Then we can get the cotton ...