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Nutritional value of discarded produce parts
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2026-11-03 05:03 UTC → 2026-11-04 15:02 UTC ·
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Research indicates that parts of fruits and vegetables typically discarded, such as peels, stalks, seeds, and cores, often contain significantly higher levels of dietary fiber than the parts usually consumed. A study by King’s College London, published in the International Journal of Food Sciences and Nutrition, found that in ten out of twelve common types of fresh produce analyzed, these discarded sections had higher fiber concentrations. Specific findings include pineapple skins and cores containing approximately 453.7 percent more fiber than the flesh, and pumpkin skins and seeds providing 9.25 grams of fiber per 100 grams. Watermelon rind was also noted to contain 2.10 grams of fiber per 100 grams. Researchers noted that these discarded sections represent between 25 and 48 percent of the total weight of the produce, leading to both nutritional and financial losses. Project leader Dr. Rachel Gibson noted that consuming these parts could address widespread dietary fiber deficiencies, as only about 4 percent of adults in the UK meet the recommended daily intake of 30 grams. The study suggests that adopting a “root-to-end” or “root-to-tip” eating approach could improve gut health, stabilize blood sugar, and reduce the risk of cardiovascular diseases and colorectal cancer. However, researchers advise caution regarding texture and the potential presence of pesticide residues or heavy metals. Additionally, nutritional guidance has been provided regarding legume preparation to improve digestibility, noting that soaking dried legumes Beyond direct consumption, plant remains offer broader agricultural benefits. Utilizing organic waste such as vegetable scraps, fallen leaves, and discarding the soaking water grass clippings through composting can help reduce compounds transform waste into natural fertilizer. This process improves soil structure, moisture retention, and microbial activity, provided that cause bloating moisture and indigestion. aeration are managed and diseased or chemically treated materials are avoided.
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- 2026-11-04 15:02 UTC Nutritional value of discarded produce parts
- 2026-11-03 05:03 UTC Nutritional value of discarded produce parts
- 2026-11-02 12:29 UTC Nutritional value of discarded produce parts
- 2026-11-01 13:13 UTC Nutritional value of discarded produce parts
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