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Article

Strong and Bitter Vegetables from Traditional Cultivars and Cropping Methods Improve the Health Status of Type 2 Diabetics: A Randomized Control Trial

1
Department of Clinical Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, 8200 Aarhus N, Denmark
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Department of Food Science, Faculty of Technical Sciences, Aarhus University, Agro Food Park 48, 8200 Aarhus N, Denmark
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Department of Green Technology, Faculty of Engineering, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
4
Center for Clinical Research, Vendsyssel Hospital, Aalborg University, Bispensgade 37, 9800 Hjoerring, Denmark
*
Author to whom correspondence should be addressed.
Academic Editor: Silvio Buscemi
Nutrients 2021, 13(6), 1813; https://doi.org/10.3390/nu13061813
Received: 20 April 2021 / Revised: 19 May 2021 / Accepted: 21 May 2021 / Published: 26 May 2021
(This article belongs to the Special Issue Diet, Obesity, Type 2 Diabetes and Hypertension)
Vegetables rich in bitter-tasting phytochemicals may exert enhanced beneficial effects against key factors associated with type two diabetes (T2D). This study investigates whether selected cultivars of bitter and strong-tasting (BST) Brassica and root vegetables exert greater health benefits on T2D patients compared to equivalent modern mild and sweet tasting (MST) vegetables. A 12-week randomized, controlled, parallel intervention study involved 92 T2D patients, who were allocated three different diets: (1) 500 g daily of bitter and strong-tasting (BST) vegetables; (2) 500 g daily of mild and sweet-tasting (MST) vegetables; (3) 120 g daily MST normal diet (control). Both vegetable diets contained root vegetables and cabbages selected based on sensory differences and content of phytochemicals. Prior to and after the study, all participants underwent an oral glucose tolerance test (OGTT), 24 h blood pressure measurements, DEXA scans, and fasted blood samples. Both diets high in vegetables significantly reduced the participants’ BMI, total body fat mass, and HbA1c levels compared to control, but in the BST group, significant differences were also found regarding incremental area under the curve glucose 240 min (OGTT) and fasting glucose levels. A high daily intake of root vegetables and cabbages showed significant health improvements in both vegetable groups. BST vegetables had the greatest impact on insulin sensitivity, body fat mass, and blood pressure compared to control; moreover, they further improved glycemic control compared to MST vegetables. View Full-Text
Keywords: type 2 diabetes mellitus; vegetables; cultivars; glucose tolerance; phytochemicals and sensory analysis type 2 diabetes mellitus; vegetables; cultivars; glucose tolerance; phytochemicals and sensory analysis
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MDPI and ACS Style

Thorup, A.C.; Kristensen, H.L.; Kidmose, U.; Lambert, M.N.T.; Christensen, L.P.; Fretté, X.; Clausen, M.R.; Hansen, S.M.; Jeppesen, P.B. Strong and Bitter Vegetables from Traditional Cultivars and Cropping Methods Improve the Health Status of Type 2 Diabetics: A Randomized Control Trial. Nutrients 2021, 13, 1813. https://doi.org/10.3390/nu13061813

AMA Style

Thorup AC, Kristensen HL, Kidmose U, Lambert MNT, Christensen LP, Fretté X, Clausen MR, Hansen SM, Jeppesen PB. Strong and Bitter Vegetables from Traditional Cultivars and Cropping Methods Improve the Health Status of Type 2 Diabetics: A Randomized Control Trial. Nutrients. 2021; 13(6):1813. https://doi.org/10.3390/nu13061813

Chicago/Turabian Style

Thorup, Anne C., Hanne L. Kristensen, Ulla Kidmose, Max N.T. Lambert, Lars P. Christensen, Xavier Fretté, Morten R. Clausen, Steen M. Hansen, and Per B. Jeppesen 2021. "Strong and Bitter Vegetables from Traditional Cultivars and Cropping Methods Improve the Health Status of Type 2 Diabetics: A Randomized Control Trial" Nutrients 13, no. 6: 1813. https://doi.org/10.3390/nu13061813

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