Chinese jujube (Ziziphus jujuba Mill.) belongs to the genus Ziziphus Mill.(Rhamnaceae), and is one of the most traditional fruit trees in our coutry. Jujube has planty of nutrition, and has functions of sedation, nourishing blood, antitumor effect, immune-modulability, and etc. Recent research mostly study the nutrition component of fresh jujube of different kind and different growth stage, however, jujube with appropriate water content as well as the impace of different drying, conserving method on nutriti...