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Article

Side Streams of Broccoli Leaves: A Climate Smart and Healthy Food Ingredient

1
Department of Plant breeding, Swedish University of Agricultural Sciences, SE-230 53 Alnarp, Sweden
2
Department of Molecular Sciences, Swedish University of Agricultural Sciences, SE- 750 07 Uppsala, Sweden
*
Authors to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(7), 2406; https://doi.org/10.3390/ijerph17072406
Received: 12 March 2020 / Revised: 27 March 2020 / Accepted: 30 March 2020 / Published: 1 April 2020
Human consumption of fruits and vegetables are generally below recommended levels. Waste from the production, e.g., of un-used parts such as broccoli leaves and stem when producing broccoli florets for food, is a sustainability issue. In this study, broccoli leaves were analyzed for the content of various dietary fibre and phenolics, applying the Uppsala method and HPLC analyses, respectively. The results showed that broccoli leaves had comparable levels of dietary fibre (26%–32% of dry weight (DW)) and phenolic compounds (6.3–15.2 mg/g DW) to many other food and vegetables considered valuable in the human diet from a health perspective. A significant positive correlation was found among soluble dietary fibre and phenolic acids indicating possible bindings between these components. Seasonal variations affected mainly the content of conjugated phenolics, and the content of insoluble dietary fibre. This study verified the importance of the use of broccoli production side streams (leaves) as they may contribute with health promoting components to the human diet and also socio-economic and environmental benefits to the bioeconomic development in the society. View Full-Text
Keywords: broccoli; dietary fiber; gut microbiota; health; leaves; phenolic compounds; side steams broccoli; dietary fiber; gut microbiota; health; leaves; phenolic compounds; side steams
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MDPI and ACS Style

Berndtsson, E.; Andersson, R.; Johansson, E.; Olsson, M.E. Side Streams of Broccoli Leaves: A Climate Smart and Healthy Food Ingredient. Int. J. Environ. Res. Public Health 2020, 17, 2406. https://doi.org/10.3390/ijerph17072406

AMA Style

Berndtsson E, Andersson R, Johansson E, Olsson ME. Side Streams of Broccoli Leaves: A Climate Smart and Healthy Food Ingredient. International Journal of Environmental Research and Public Health. 2020; 17(7):2406. https://doi.org/10.3390/ijerph17072406

Chicago/Turabian Style

Berndtsson, Emilia, Roger Andersson, Eva Johansson, and Marie E. Olsson. 2020. "Side Streams of Broccoli Leaves: A Climate Smart and Healthy Food Ingredient" International Journal of Environmental Research and Public Health 17, no. 7: 2406. https://doi.org/10.3390/ijerph17072406

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