Preparation method and application of compound histidine diglucoside HFG in ginseng

The invention relates to a preparation method of histidine diglucoside (HFG), C18H29N3O12, which is characterized in that the histidine diglucoside (HFG), C18H29N3O12 is a Maillard reaction product generated in the processing process of ginseng (red ginseng), and the histidine diglucoside (HFG), C18H29N3O12 is a specific component of the red ginseng. Researches find that the HFG has obvious pharmacological activity and wide development prospects. Due to the fact that the content of histidine diglucoside in red ginseng is low and the separation cost is high, the invention provides the efficient artificial synthesis method of the compound histidine diglucoside, the purification cost is reduced, the stability of the compound is improved, the utilization degree of HFG is increased, and the efficient artificial synthesis method has the advantages of being economical, efficient, easy to operate, safe, rapid and the like and can be suitable for industrial production. AkindofpreparationmethodanduseofthecompoundHFGing