Cereals and Cereal-Based Foods: Nutritional, Phytochemical Characterization and Processing Technologies

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Grain".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 2895

Special Issue Editors


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Guest Editor
Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria—Centro di Ricerca Cerealicoltura e Colture Industriali, 71122 Foggia, Italy
Interests: pigmented and non-pigmented cereals; quality; bioactive compounds; cereal processing; biofortification; celiac disease; quality plant biotechnology; breeding for quality
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Research Centre for Cereal and Industrial Crops, CREA, SS 673, Km 25.200, 71122 Foggia, Italy
Interests: new breeding technologies; abiotic stress; functional foods
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cereals are an important source of energy and of compounds with nutritional and healthy properties. To obtain superior end-products, the choice of genetic materials with good endogenous nutritional and phytochemical composition is fundamental.

Other than conventional milling methods, primary processing, such as debranning/pearling, micronization and dry fractionation by air classification, will be applied to produce better-quality and safety flours or to select highly nutritious and/or healthy fractions (high in protein, phenolics, fibre and minerals) to be used as natural ingredients in food formulation. Recently, the increasing demand for proteins has resulted in more cereal products being reformulated to contain pulses protein concentrates or new alternative sources (i.e., edible insect flour) for use as protein-rich ingredients. For such a trend to be sustained, consumer acceptance is one of the most important challenges for food producers.

The optimization of secondary processing, mainly fermentation, baking, extrusion, extrusion cooking, drying and puffing, used to transform cereals into edible products is a further important aspect to be investigated as the level of nutritional and bioactive components can be positively influenced by suitable procedures.

To provide an overview for the development of nutritionally rich and healthy cereal-based foods with satisfactory sensory properties, we invite you to provide contributions for a Special Issue on “Cereals and Cereal-Based Foods: Nutritional, Phytochemical Characterization and Processing Technologies”.  

Dr. Donatella Bianca Maria Ficco
Dr. Grazia Maria Borrelli
Guest Editors

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Keywords

  • cereals and cereal end-products 
  • primary and/or secondary metabolites
  • innovative ingredients
  • cereal-based food processing
  • sensory acceptability

Published Papers (3 papers)

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Research

15 pages, 277 KiB  
Article
Nutritional Traits, Pasting Properties and Antioxidant Profile of Selected Genotypes of Sorghum, Oat and Maize Eligible for Gluten-Free Products
by Laura Gazza, Valeria Menga, Federica Taddei, Francesca Nocente, Elena Galassi, Chiara Natale, Chiara Lanzanova, Silvana Paone and Clara Fares
Foods 2024, 13(7), 990; https://doi.org/10.3390/foods13070990 - 24 Mar 2024
Viewed by 792
Abstract
The technological and nutritional traits of food-grade sorghum hybrids, hulled/naked oat varieties and maize genotypes of different colors were studied for novel and healthier gluten-free foods. Oat genotypes showed the highest protein content, followed by maize and sorghum. The total starch and the [...] Read more.
The technological and nutritional traits of food-grade sorghum hybrids, hulled/naked oat varieties and maize genotypes of different colors were studied for novel and healthier gluten-free foods. Oat genotypes showed the highest protein content, followed by maize and sorghum. The total starch and the total dietary fiber content were quite similar among the three species. Great variation was found in the amylose content, and the highest was in sorghum (27.12%), followed by oat 16.71% and maize 10.59%. Regarding the pasting profile, the rank of Peak Viscosity was sorghum (742.8 Brabender Unit, BU), followed by maize (729.3 BU) and oat (685.9 BU). Oat and sorghum genotypes had similar average breakdown (407.7 and 419.9 BU, respectively) and setback (690.7 and 682.1 BU, respectively), whereas maize showed lower values for both parameters (384.1 BU and 616.2 BU, respectively). The total antioxidant capacity, only in maize, significantly correlated with total flavonoid, phenolic and proanthocyanidin contents, indicating that all the measured compounds contributed to antioxidant capacity. The study indicated the importance of sounding out the nutritional and technological characteristics of gluten-free cereals in order to select suitable cultivars to be processed in different gluten-free foods with better and healthier quality. Full article
17 pages, 2933 KiB  
Article
Germination: A Powerful Way to Improve the Nutritional, Functional, and Molecular Properties of White- and Red-Colored Sorghum Grains
by Cagla Kayisoglu, Ebrar Altikardes, Nihal Guzel and Secil Uzel
Foods 2024, 13(5), 662; https://doi.org/10.3390/foods13050662 - 22 Feb 2024
Cited by 2 | Viewed by 870
Abstract
This study explored the effects of the germination of red and white sorghum grains (Sorghum bicolor [Moench (L.)]) for up to seven days on various properties of the grain. Germination enriched sorghum’s nutritional and sensory qualities while mitigating existing anti-nutritional factors. The [...] Read more.
This study explored the effects of the germination of red and white sorghum grains (Sorghum bicolor [Moench (L.)]) for up to seven days on various properties of the grain. Germination enriched sorghum’s nutritional and sensory qualities while mitigating existing anti-nutritional factors. The study employed Fourier-transformed infrared spectroscopy (FT-IR) and scanning electron microscopy techniques to support its findings. Germination increased protein and lipid content but decreased starch content. White sorghum grains showed elevated calcium and magnesium but decreased iron, potassium, and zinc. Red sorghum grains showed a consistent decrease in mineral content during germination. Germination also increased fiber and lignin values in both sorghum varieties. The results of the FT-IR analysis demonstrate that germination induced significant changes in the molecular structure of white sorghum samples after 24 h, whereas this transformation was observed in red sorghum samples at four days. Total phenolic content (TPC) in red sorghum ranged from 136.64 ± 3.76 mg GAE/100 g to 379.5 ± 6.92 mg GAE/100 g. After 72 h of germination, the germinated seeds showed a threefold increase in TPC when compared to ungerminated seeds. Similarly, the TPC of white sorghum significantly increased (p < 0.05) from 52.84 ± 3.31 mg GAE/100 g to 151.76 mg GAE/100 g. Overall, during the 7-day germination period, all parameters showed an increase, and the germination process positively impacted the functional properties that contributed to the health benefits of white and red sorghum samples. Full article
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17 pages, 2750 KiB  
Article
The Wheat Starchy Endosperm Protein Gradient as a Function of Cultivar and N-fertilization Is Reflected in Mill Stream Protein Content and Composition
by Wisse Hermans, Justine Busschaert, Yamina De Bondt, Niels A. Langenaeken and Christophe M. Courtin
Foods 2023, 12(23), 4192; https://doi.org/10.3390/foods12234192 - 21 Nov 2023
Viewed by 796
Abstract
Within the wheat starchy endosperm, the protein content increases biexponentially from the inner to outer endosperm. Here, we studied how this protein gradient is reflected in mill fractions using three cultivars (Claire, Apache, and Akteur) grown without and with N-fertilization (300 kg N [...] Read more.
Within the wheat starchy endosperm, the protein content increases biexponentially from the inner to outer endosperm. Here, we studied how this protein gradient is reflected in mill fractions using three cultivars (Claire, Apache, and Akteur) grown without and with N-fertilization (300 kg N ha−1). The increasing protein content in successive break fractions was shown to reflect the protein gradient within the starchy endosperm. The increasing protein content in successive reduction fractions was primarily due to more aleurone contamination and protein-rich material being harder to reduce in particle size. The miller’s bran fractions had the highest protein content because of their high sub-aleurone and aleurone content. Additionally, the break fractions were used to deepen our understanding of the protein composition gradient. The gradient in relative gluten content, increasing from inner to outer endosperm, was more pronounced without N-fertilization than with and reached levels up to 87.3%. Regarding the gluten composition gradient, no consistent trends were observed over cultivars when N-fertilization was applied. This could, at least partly, explain why there is no consensus on the gluten composition gradient in the literature. This study aids millers in managing fluctuations in the functionality of specific flour streams, producing specialized flours, and coping with lower-quality wheat. Full article
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