Inulin A polysaccharide food reserve of some higher plants, particularly the Asteraceae, e.g. Dahlia root tubers. It is a polymer of fructose.

• 菊粉：是一种可以作为高等植物储藏营养物质的多聚糖，在菊科大丽花属的块根中尤为明显。它是一种果糖聚合体。