1. Just in this produce processing, the corn starch components-corn skin is cast off, a lot of corn skin roled as the main source of feed animals, cannot create economic till now. 在此过程中，玉米非淀粉组分&玉米皮被丢弃下来，早期大量的玉米皮资源被作为饲料，无法创造更高的经济价值。