Nutritional Innovations and Interventions to Promote Whole Grain Consumption

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Carbohydrates".

Deadline for manuscript submissions: 25 September 2024 | Viewed by 1529

Special Issue Editor


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Guest Editor
Health and Biosecurity, CSIRO, Adelaide, SA 5000, Australia
Interests: whole grain; dietary fibre; resistant starch; gastrointestinal health; cereals; metabolic health; functional foods

Special Issue Information

Dear Colleagues,

Dietary guidelines continue to emphasise the importance of including whole grain foods as part of a healthy diet to reduce the risk of non-communicable diseases, such as cardiovascular disease, colorectal cancer and type 2 diabetes. However, in many countries, whole grain intake remains low, and refined grains are predominantly consumed. Consequently, a broad range of innovative approaches are needed to support the exchange of refined grain for whole grain and deliver improved health outcomes. Some of these approaches include:

  • Community and public health-based interventions that promote whole grain consumption.
  • The development of whole grain varieties with tailored functional nutritional and health benefits (e.g., specific fibre composition).
  • Nutrition-focused interventions that involve processing technologies and methods that enable the development of whole grain cereal-based food formulations and products with enhanced organoleptic and/or nutritional qualities and greater consumer appeal.

This Special Issue in Nutrients offers an opportunity to highlight novel and innovative research strategies and practical approaches to promote whole grain consumption for improved human health outcomes. It will include the latest findings and developments in a wide spectrum of scientific fields, such as cereal breeding, preclinical and clinical research and food science and technology.  Preclinical and randomised clinical trials, systematic reviews, meta-analyses, narrative reviews and position papers will be considered for publication.

Dr. Damien P. Belobrajdic
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • whole grains
  • whole grain foods
  • wheat
  • oats
  • barley
  • fibre
  • microbiome
  • metabolic health
  • cardiovascular disease
  • colorectal cancer
  • inflammation
  • plant protein

Published Papers (1 paper)

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Research

15 pages, 1879 KiB  
Article
Swapping White for High-Fibre Bread Increases Faecal Abundance of Short-Chain Fatty Acid-Producing Bacteria and Microbiome Diversity: A Randomized, Controlled, Decentralized Trial
by Yanan Wang, Brooke Wymond, Himanshu Tandon and Damien P. Belobrajdic
Nutrients 2024, 16(7), 989; https://doi.org/10.3390/nu16070989 - 28 Mar 2024
Viewed by 1029
Abstract
A low-fibre diet leads to gut microbiota imbalance, characterized by low diversity and reduced ability to produce beneficial metabolites, such as short-chain fatty acids (SCFAs). This imbalance is associated with poor gastrointestinal and metabolic health. We aimed to determine whether one dietary change, [...] Read more.
A low-fibre diet leads to gut microbiota imbalance, characterized by low diversity and reduced ability to produce beneficial metabolites, such as short-chain fatty acids (SCFAs). This imbalance is associated with poor gastrointestinal and metabolic health. We aimed to determine whether one dietary change, substitution of white bread with high-fibre bread, improves gut microbiota diversity and SCFA-producing capability. Twenty-two healthy adults completed a two-phase randomized, cross-over trial. The participants consumed three slices of a high-fibre bread (Prebiotic Cape Seed Loaf with BARLEYmax®) or control white bread as part of their usual diet for 2 weeks, with the treatment periods separated by a 4-week washout. High-fibre bread consumption increased total dietary fibre intake to 40 g/d, which was double the amount of fibre consumed at baseline or during the white bread intervention. Compared to white bread, the high-fibre bread intervention resulted in higher faecal alpha diversity (Shannon, p = 0.014) and relative abundance of the Lachnospiracae ND3007 group (p < 0.001, FDR = 0.019) and tended to increase the butyrate-producing capability (p = 0.062). In conclusion, substituting white bread with a high-fibre bread improved the diversity of gut microbiota and specific microbes involved in SCFA production and may enhance the butyrate-producing capability of gut microbiota in healthy adults. These findings suggest that a single dietary change involving high-fibre bread provides a practical way for adults to exceed recommended dietary fibre intake levels that improve gut microbiota composition and support gastrointestinal and metabolic health. Full article
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