The invention relates to a
mugwort extract, a new application thereof and a preparation process thereof, especially a
mugwort extract and a preparation process thereof and application thereof in controlling postmeal gucose. The technical scheme comprises: keeping active ingredients of water or
ethanol extract of
mugwort leaf or mugwort leaf and mugwort stem, and removing useless dregs; applying the
mugwort extract to controlling the postmeal gucose in the field of
diabetes mellitus prevention and treatment drugs and
health food. The invention has the advantages that resources are rich, economic and easy to obtain; the preparation process is simple, low in cost, short in production period, suitable for industrial production, convenient in application, obvious in effect, low in dosage and convenient to carry, store and use. The extract is applied to treating animal
diabetes mellitus model, thereby obviously reducing postmeal gucose, improving
insulin resistance and decreasing the typical symptoms of diabetes; thus, the invention has remarkable
advantage in reducing and deferring diabetic complications and development thereof. Furthermore, the invention shows that the mugwort preparation has good prevention effect on diabetes and diabetic complications. The invention meets the requirements of modern traditional Chinese medicines for triple effects, triple low aspects and triple convenience aspects.