Medical Questions » Diet Questions » Question No. 1188
Question:Why are certain vegetables so hard to digest?
Answer:The plant fibres in vegetables are a great source of roughage, but they are also hard for our digestive systems to break down. Leeks, onions and garlic contain a type of fibre called inulin, and cruciferous vegetables such as broccoli, cauliflower and cabbage contain glucosides that are also hard to digest.

There are two main ways to make them easier foryour gut to process. One is to lightly cook them. If you either briefly steam them, or quickly stir-fry or steam-fry them to keep their nutrient content, you' ll help break down the fibres and make them more digestible. (In steam-frying, use a very small amount of oil, stir-fry the vegetables for a minute, then add a bit of water, or a mix of water, soy sauce and lemon juice, cover and steam for three minutes or so.)

The other way is to supplement with enzymes. Our bodies produce digestive enzymes to break down the food we eat, but sometimes stress or poor diet slows or disrupts the process. So try taking a digestive enzyme supplement that contains amyloglucosidase (sometimes called glucoamylase) with your meals, to break down the glucosides.

       
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