注:①专利检索关键词为:(“淀粉”OR“starch”OR“starch processing”OR“氨基酸”OR“赖氨酸 ... OR“biobased material”OR“bioplastic”OR“燃料乙醇”OR“fuel ethanol”)AND(“玉米”OR“corn”OR“玉米产品”OR“corn product”OR“corn derivative”);②专利检索行业为:IPC= ...