Biggest fibre boost could be scraps in your bin, experts say
Summary
Researchers at King’s College London found that some fruit and vegetable parts people often discard contain substantial amounts of fibre. They say using edible scraps may help people increase fibre intake, but recommend washing produce and increasing fibre gradually; some parts, including green potatoes and rhubarb leaves, should not be eaten.Key Facts
- The researchers analysed 12 raw or uncooked fresh foods, including broccoli, kiwi, pineapple and watermelon.
- Watermelon rind contained 2.10 grams of fibre per 100 grams, according to the study.
- Butternut squash skin and seeds contained 9.25 grams of fibre per 100 grams.
- Pineapple skin and core contained five times more fibre than the flesh.
- In a nine-week university canteen trial, root-to-tip dishes accounted for a third of hot-menu sales, and diners choosing them were less likely to finish their meals.
- A dietitian suggested washing produce thoroughly and chopping or cooking tough stalks; she advised people to increase fibre gradually, especially those with IBS.
- The British Nutrition Foundation warns that green potatoes and rhubarb leaves contain toxic compounds; tough stalks and seeds may also be unsuitable for young children.
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