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4 clusters · 25 sources · 5 days · First seen · Last updated

Nutritional value of discarded produce parts

Overview

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.

Beyond direct consumption, plant remains offer broader agricultural benefits. Utilizing organic waste such as vegetable scraps, fallen leaves, and grass clippings through composting can transform waste into natural fertilizer. This process improves soil structure, moisture retention, and microbial activity, provided that moisture and aeration are managed and diseased or chemically treated materials are avoided.

Entities

International Journal of Food Sciences and Nutrition · Rachel Gibson · King's College London · King’s College London · Butternut Squash

Timeline

  1. [HEALTH] 2 sources
    Nutritional value and sustainable uses for plant and vegetable scraps

    Studies and gardening practices show that plant scraps, such as vegetable peels and fallen leaves, can be repurposed as high-fiber food components or nutrient-rich compost to reduce waste.

  2. [HEALTH] 8 sources
    King's College London study finds high fiber in fruit and vegetable scraps

    Researchers at King's College London found that fruit and vegetable peels, seeds, and stems often contain more fiber than the flesh, offering significant health benefits and reducing food waste.

  3. [HEALTH] 2 sources
    Nutritional benefits of consuming vegetable peels and legume preparation

    Studies show that vegetable peels and seeds can contain up to five times more fiber than pulp, while proper legume soaking and rinsing techniques are essential for improving digestibility.

  4. [HEALTH] 13 sources
    King’s College London study finds fruit and vegetable scraps are high in fiber

    A King’s College London study shows that fruit and vegetable scraps like peels and cores often contain more fiber than the flesh, offering a way to improve nutrition and reduce food waste.

Sources

abyan-time.net · amica.de · benessereblog.it · biojournaal.nl · columnadigital.com · cumhuriyet.com.tr · english.mathrubhumi.com · eskisehir.net · farmacoecura.it · index.hr · interestingengineering.com · knowridge.com · ljportal.com · n-tv.de · nationalezorggids.nl · nea.gov.cn · news-medical.net · ocafezinho.com · rotherhamadvertiser.co.uk · sana.sy · scientias.nl · welingelichtekringen.nl · wwj.co.jp · yenialanya.com · yorumla.net

This summary has been updated 3 times: see revision history