Characterization of Khorasan wheat (Kamut) and impact of a replacement diet on cardiovascular risk factors: Cross-over dietary intervention study

F. Sofi, A. Whittaker, F. Cesari, A. M. Gori, C. Fiorillo, M. Becatti, I. Marotti, G. Dinelli, A. Casini, R. Abbate, G. F. Gensini, S. Benedettelli

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Background/Objectives:Khorasan wheat (Kamut) is an ancient grain with widely acclaimed beneficial effects on human health. The objective was to characterise Kamut and to examine the effect of a replacement diet with their products on cardiovascular risk parameters.Subjects/Methods:We conducted a randomized, single-blinded cross-over trial with two intervention phases on 22 healthy subjects (14 females; 8 males). The participants were assigned to consume products (bread, pasta and crackers) made either from Kamut or control semi-whole-grain wheat for 8 weeks in a random order. An 8-week washout period was implemented between the interventions. Laboratory analyses were performed both at the beginning and at the end of each intervention phase.Results:At a general linear model for repeated measurements adjusted for several confounders, consumption of Kamut products showed a significant reduction of metabolic risk factors such as total cholesterol (mean reduction: -8.46 mg/dl; -4%), low-density lipoprotein cholesterol (-9.82 mg/dl; -7.8%) and blood glucose. Similarly, redox status was significantly improved only after the Kamut intervention phase, as measured by a reduction in both thiobarbituric acid reactive substances (-0.17 nmol/ml; -21.5%;) and carbonyl levels (-0.16 nmol/ml; -17.6%). The replacement diet with Kamut products also resulted in a significant increase of serum potassium and magnesium. Circulating levels of key pro-inflammatory cytokines (interleukin (IL)-6, IL-12, tumour necrosis factor-α and vascular endothelial growth factor) were significantly reduced after the consumption of Kamut products.Conclusions:The present results suggest that a replacement diet with Kamut products could be effective in reducing metabolic risk factors, markers of both oxidative stress and inflammatory status.

Original languageEnglish
Pages (from-to)190-195
Number of pages6
JournalEuropean Journal of Clinical Nutrition
Volume67
Issue number2
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Triticum
Diet
Thiobarbituric Acid Reactive Substances
Bread
Interleukin-12
LDL Cholesterol
Cross-Over Studies
Magnesium
Vascular Endothelial Growth Factor A
Oxidation-Reduction
Blood Glucose
Linear Models
Interleukin-6
Healthy Volunteers
Potassium
Oxidative Stress
Tumor Necrosis Factor-alpha
Cholesterol
Cytokines
Health

Keywords

  • cardiovascular disease
  • diet
  • grain
  • Kamut
  • risk factors

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Characterization of Khorasan wheat (Kamut) and impact of a replacement diet on cardiovascular risk factors : Cross-over dietary intervention study. / Sofi, F.; Whittaker, A.; Cesari, F.; Gori, A. M.; Fiorillo, C.; Becatti, M.; Marotti, I.; Dinelli, G.; Casini, A.; Abbate, R.; Gensini, G. F.; Benedettelli, S.

In: European Journal of Clinical Nutrition, Vol. 67, No. 2, 02.2013, p. 190-195.

Research output: Contribution to journalArticle

Sofi, F, Whittaker, A, Cesari, F, Gori, AM, Fiorillo, C, Becatti, M, Marotti, I, Dinelli, G, Casini, A, Abbate, R, Gensini, GF & Benedettelli, S 2013, 'Characterization of Khorasan wheat (Kamut) and impact of a replacement diet on cardiovascular risk factors: Cross-over dietary intervention study', European Journal of Clinical Nutrition, vol. 67, no. 2, pp. 190-195. https://doi.org/10.1038/ejcn.2012.206
Sofi, F. ; Whittaker, A. ; Cesari, F. ; Gori, A. M. ; Fiorillo, C. ; Becatti, M. ; Marotti, I. ; Dinelli, G. ; Casini, A. ; Abbate, R. ; Gensini, G. F. ; Benedettelli, S. / Characterization of Khorasan wheat (Kamut) and impact of a replacement diet on cardiovascular risk factors : Cross-over dietary intervention study. In: European Journal of Clinical Nutrition. 2013 ; Vol. 67, No. 2. pp. 190-195.
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abstract = "Background/Objectives:Khorasan wheat (Kamut) is an ancient grain with widely acclaimed beneficial effects on human health. The objective was to characterise Kamut and to examine the effect of a replacement diet with their products on cardiovascular risk parameters.Subjects/Methods:We conducted a randomized, single-blinded cross-over trial with two intervention phases on 22 healthy subjects (14 females; 8 males). The participants were assigned to consume products (bread, pasta and crackers) made either from Kamut or control semi-whole-grain wheat for 8 weeks in a random order. An 8-week washout period was implemented between the interventions. Laboratory analyses were performed both at the beginning and at the end of each intervention phase.Results:At a general linear model for repeated measurements adjusted for several confounders, consumption of Kamut products showed a significant reduction of metabolic risk factors such as total cholesterol (mean reduction: -8.46 mg/dl; -4{\%}), low-density lipoprotein cholesterol (-9.82 mg/dl; -7.8{\%}) and blood glucose. Similarly, redox status was significantly improved only after the Kamut intervention phase, as measured by a reduction in both thiobarbituric acid reactive substances (-0.17 nmol/ml; -21.5{\%};) and carbonyl levels (-0.16 nmol/ml; -17.6{\%}). The replacement diet with Kamut products also resulted in a significant increase of serum potassium and magnesium. Circulating levels of key pro-inflammatory cytokines (interleukin (IL)-6, IL-12, tumour necrosis factor-α and vascular endothelial growth factor) were significantly reduced after the consumption of Kamut products.Conclusions:The present results suggest that a replacement diet with Kamut products could be effective in reducing metabolic risk factors, markers of both oxidative stress and inflammatory status.",
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AU - Marotti, I.

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