1.Examples are soybean, rapeseed and tlaxseed, wheat germ, hempseed , and perilla oils, with soybean being the most important.
例如大豆、油菜和亚麻、小麦胚、大麻子和紫苏子油。
2.Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.