Dextrose monohydrate is a kind of white lamelliform crystal white powder which uses corn starch as the raw material. After corn starch being transformed into glucose syrup by adopting double enzyme technique, it still needs disposals such as removing residues, decoloring, removing salts through ion exchanging resin, then through concertration, crystallization, dehydration, evaporation, screening etc. Oral glucose produced by our company reaches high quality standard of oral glucose(SW1-05(B)-89)which the ministry of Sanitation enacts.