Wall Street's inconvenient problem is that refined/deodorized/rancid vegetable oils commonly used in manufactured foods are not appropriate for human consumptio

Wall Street's inconvenient problem is that refined/deodorized/rancid vegetable oils commonly used in manufactured foods are not appropriate for human consumption. Before deodorization was figured out, these oils (soybean, linseed, etc) were used to make paint for the preservation of wood.