This invention provides a medicinal and edible homologous composition for improving vascular
dementia, its preparation method, and its application. The composition comprises the following parts by weight of raw materials and fructooligosaccharides: 80-120 parts of steamed
Polygonatum sibiricum, 50-70 parts of mulberry, 50-70 parts of wolfberry, 30-50 parts of Poria cocos, 30-50 parts of
Astragalus membranaceus, 30-50 parts of
donkey-hide
gelatin, and 30-50 parts of
Codonopsis pilosula; the weight ratio of fructooligosaccharides to the extract obtained from the raw materials is (1.5-3):1. The raw materials used in this invention are all medicinal and edible homologous substances, safe and non-toxic, and can be taken long-term as a
functional food. After
process optimization, it has a good taste, sweet but not greasy, and high
patient compliance. Animal experiments have confirmed that it can significantly improve the learning and memory abilities of rats with vascular
dementia. It has the advantages of simple formulation, stable process, definite
efficacy, convenient administration, and wide applicability, and has important
clinical significance and good market application prospects.