Drycorn is suitable for making starch,mung beans are used after soaking and grinding into paste.soy milk comes from dried yellow beans that are soaked and then ground.but fresh corn must be used for corn milk to retain its nutritional value.sugar is extracted from sugar beets, but salt is not derived from salty vegetables in the same manner.each item has its own characteristics in how it is produced.But corn slurry must be made from fresh corn to have the nutritional benefits.Sugar is extracted from sugar beets, but salt is not extracted in the same manner from salty vegetables.Each item has its own unique properties in production.View more answers>>