Jaime Peña

INTRODUCTIONSeveral by-products are obtained during the processing of soy oil (SO) for human consumption, as well as through its transesterification required for biodiesel production. By-products from these processes are generally cheap and are sometimes used in poultry feeds and include lecithin (LEC), acidulated soy soapstock (ASS), and glycerol (GLY).Lecithin is removed by centrifuging crude so ...