FIT5 How-tos :: The Optimum Diet :: Nutrients - Carbs :: Digestive time for carbohydrates

As a rule, the harder, darker, or less ripe a fruit or vegetable is, the longer it will take to digest.

Fruit and vegetable juices    15 min
Fruits with higher water content    20 min
Fruits with less water content    40 min
Leafy vegetables    40 min
Other vegetables    45 min
Vegetables with roots    50 min
Vegetables that contain starch    60 min
Grains    90 min