Summary Ph.D thesis: Research on extracting and making inulin powder from Dangshen 's roots (Codonopsis javanica) naturally growing in Lac Duong district, Lam Dong province

The goal of the thesis: Determine the time of harvesting the natural growing Dangshen roots; research on inulin extraction, purification, and characterization of inulin molecular structure in Dangshen tubers naturally growing in Lac Duong district, Lam Dong province; research on spray drying to create Dangshen powder and experiment to create a synbiotic powder from spray-drying powder, oriented application in food.