Carbohydrate content of Jerusalem artichoke tubers is related to dry matter and reaches a maximum at the end of growth
Total soluble solids were about the same in each maturity stage
However, the composition of the sugars was different
Fructose content increased rapidly up to nine-fold in the 20-week tubers compared to those at 16 weeks
Sucrose content increased only slightly in late maturity tubers
Glucose was more abundant at early maturity and decreased at late maturity