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Yang G, Xu J, Xu Y, Guan X, Ramaswamy HS, Lyng JG, Li R, Wang S. Recent developments in applications of physical fields for microbial decontamination and enhancing nutritional properties of germinated edible seeds and sprouts: a review. Crit Rev Food Sci Nutr 2023:1-32. [PMID: 37712259 DOI: 10.1080/10408398.2023.2255671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Germinated edible seeds and sprouts have attracted consumers because of their nutritional values and health benefits. To ensure the microbial safety of the seed and sprout, emerging processing methods involving physical fields (PFs), having the characteristics of high efficiency and environmental safety, are increasingly proposed as effective decontamination processing technologies. This review summarizes recent progress on the application of PFs to germinating edible seeds, including their impact on microbial decontamination and nutritional quality and the associated influencing mechanisms in germination. The effectiveness, application scope, and limitation of the various physical techniques, including ultrasound, microwave, radio frequency, infrared heating, irradiation, pulsed light, plasma, and high-pressure processing, are symmetrically reviewed. Good application potential for improving seed germination and sprout growth is also described for promoting the accumulation of bioactive compounds in sprouts, and subsequently enhancing the antioxidant capacity under favorable PFs processing conditions. Moreover, the challenges and future directions of PFs in the application to germinated edible seeds are finally proposed. This review also attempts to provide an in-depth understanding of the effects of PFs on microbial safety and changes in nutritional properties of germinating edible seeds and a theoretical reference for the future development of PFs in processing safe sprouted seeds.
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Affiliation(s)
- Gaoji Yang
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Juanjuan Xu
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Yuanmei Xu
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiangyu Guan
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Hosahalli S Ramaswamy
- Department of Food Science and Agricultural Chemistry, McGill University, Montreal, Canada
| | - James G Lyng
- Institute of Food and Health, University College Dublin, Belfield, Ireland
| | - Rui Li
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Shaojin Wang
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Shaanxi, China
- Department of Biological Systems Engineering, Washington State University, Pullman, WA, USA
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Zhao Q, Ma Y, Huang X, Song L, Li N, Qiao M, Li T, Hai D, Cheng Y. GABA Application Enhances Drought Stress Tolerance in Wheat Seedlings ( Triticum aestivum L.). Plants (Basel) 2023; 12:2495. [PMID: 37447056 DOI: 10.3390/plants12132495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/16/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
In this study, the effects of γ-aminobutyric acid (GABA) on physio-biochemical metabolism, phenolic acid accumulation, and antioxidant system enhancement in germinated wheat under drought stress was investigated. The results showed that exogenous GABA reduced the oxidative damage in wheat seedlings caused by drought stress and enhanced the content of phenolics, with 1.0 mM being the most effective concentration. Six phenolic acids were detected in bound form, including p-hydroxybenzoic acid, vanillic acid, syringic acid, p-coumaric acid, ferulic acid, and sinapic acid. However, only syringic acid and p-coumaric acid were found in free form. A total of 1.0 mM of GABA enhanced the content of total phenolic acids by 28% and 22%, respectively, compared with that of drought stress, on day four and day six of germination. The activities of phenylalanine ammonia lyase (PAL), cinnamic acid 4-hydroxylase (C4H) and 4-coumarate coenzyme A ligase (4CL) were activated by drought stress plus GABA treatment. Antioxidant enzyme activities were also induced. These results indicate that GABA treatment may be an effective way to relieve drought stress as it activates the antioxidant system of plants by inducing the accumulation of phenolics and the increase in antioxidant enzyme activity.
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Affiliation(s)
- Qiuyan Zhao
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Yan Ma
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Xianqing Huang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Lianjun Song
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Ning Li
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Mingwu Qiao
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Tiange Li
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Dan Hai
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Yongxia Cheng
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
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Sachdev N, Goomer S, Singh LRK, Chowhan RK. Preparation and nutritional characterisation of protein concentrate prepared from foxtail millet ( Setaria italica). FOOD SCI TECHNOL INT 2023:10820132231159819. [PMID: 36879485 DOI: 10.1177/10820132231159819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
Plant-based protein sources as a sustainable alternative to animal sources are highly relevant for food and dietary supplements industries. Plant proteins are becoming popular as an eco-friendly source for meeting global protein requirements due to their importance in nutrition, management of metabolic diseases, biological activities, functionality in processed food products and their low carbon footprints. We applied biochemical protein extraction protocol and prepared protein concentrate from an underutilised cereal, foxtail millet, with plausible applications in foods and supplements. Herein efforts were utilised to obtain foxtail millet protein (FMP) concentrate by means of standardisation of processes of extraction cum isolation. The conditions including flour to solvent ratio, extraction-precipitation pH, dissolution time, etc. were optimised to significantly improve protein yield and recovery. The FMP concentrate prepared was also analysed for nutritional composition, bioactive compounds, amino acid content and digestion properties in comparison to packaged brown rice protein concentrate. The protein concentrate prepared was found to have high digestibility, rich in essential amino acids with good phenolic and flavonoid content, thereby making it a potential sensory and antioxidant additive for food/pharmaceutical applications.
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Affiliation(s)
- Niharika Sachdev
- Department of Food & Nutrition, Lady Irwin College, New Delhi, India
| | - Sangeeta Goomer
- Department of Food & Nutrition, Lady Irwin College, New Delhi, India
| | - Laishram Rajender Kumar Singh
- Department of Biomedical Science, Dr. Ambedkar Centre for Biomedical Research, North Campus, University of Delhi, New Delhi, India
| | - Rimpy Kaur Chowhan
- Department of Biomedical Science, Acharya Narendra Dev College, University of Delhi, New Delhi, India
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Velotto S, Palmeri R, Alfeo V, Gugino IM, Fallico B, Spagna G, Todaro A. The effect of different technologies in Pomegranate jam preparation on the phenolic compounds, vitamin C and antioxidant activity. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Kathuria D, Hamid, Chavan P, Jaiswal AK, Thaku A, Dhiman AK. A Comprehensive Review on Sprouted Seeds Bioactives, the Impact of Novel Processing Techniques and Health Benefits. Food Reviews International 2023. [DOI: 10.1080/87559129.2023.2169453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Deepika Kathuria
- Dairy Chemistry Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Hamid
- Food Technology and Nutrition, Lovely Professional University, Phagwara, India
| | - Prasad Chavan
- Food Technology and Nutrition, Lovely Professional University, Phagwara, India
| | - Amit K. Jaiswal
- School of Food Science and Environmental Health, Technological University Dublin-City Campus, Dublin, Ireland
- Environmental Sustainability and Health Institute (ESHI), Technological University Dublin-City Campus, Dublin, Ireland
| | - Abhimanyu Thaku
- Department of Food Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Solan, India
| | - Anju K. Dhiman
- Department of Food Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Solan, India
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Rasera GB, de Camargo AC, de Castro RJS. Bioaccessibility of phenolic compounds using the standardized INFOGEST protocol: A narrative review. Compr Rev Food Sci Food Saf 2023; 22:260-286. [PMID: 36385735 DOI: 10.1111/1541-4337.13065] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 09/22/2022] [Accepted: 10/06/2022] [Indexed: 11/18/2022]
Abstract
The INFOGEST protocol creation was a watershed for phenolic bioaccessibility studies. Because of this important initiative to standardize bioaccessibility studies, data comparisons between different laboratories are now expedited. It has been eight years since the INFOGEST protocol creation, and three from the latest update. However, the current status in terms of phenolic bioaccessibility and how far different laboratories are from reaching a consensus are still unrevealed. In this sense, this narrative review considered an evaluation of different studies that applied the INFOGEST protocol to investigate the bioaccessibility of phenolic compounds. The central objective was to compile the main findings and consensus and to identify possible gaps and future opportunities. This approach intends to further facilitate the use of this protocol by professionals in the field of food science and technology and related areas, generating a reflection on the actual level of standardization of the method. Despite the differences in phenolic compounds from diverse food matrices, and their peculiar behavior, some trends could be elucidated, in terms of phenolic release, stability, and/or transformation upon in vivo digestion. In contrast, there was no general consensus regarding sample preparation, how to report results and the form to calculate bioaccessibility, making it difficult to compare different studies. There is still a long road to effectively standardize the results obtained for phenolic bioaccessibility using the INFOGEST protocol, which is also an opportunity in terms of food analysis that can impact the food industry, especially for the development of nutraceuticals and functional foods.
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Affiliation(s)
- Gabriela Boscariol Rasera
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas, Campinas, Brazil
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de Moraes MS, de Melo Queiroz AJ, de Figueirêdo RMF, D'arc Paz de Matos J, da Silva LPFR, do Nascimento Silva S, Gregório MG, de Oliveira AP, Quirino DJG, de Andrade RA. Germinated pumpkin flours: Antioxidant potential, phenolic compounds, minerals, morphology, and thermal analyses. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maria Suiane de Moraes
- Department of Agricultural Engineering Federal University of Campina Grande Campina Grande Paraíba Brazil
| | | | | | - Joana D'arc Paz de Matos
- Department of Agricultural Engineering Federal University of Campina Grande Campina Grande Paraíba Brazil
| | | | | | - Mailson Gonçalves Gregório
- Department of Agricultural Engineering Federal University of Campina Grande Campina Grande Paraíba Brazil
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Sharma R, Bhandari M, Sharma S, Bhardwaj R. Compositional, structural and functional characteristics of millets as modified by bioprocessing techniques: a review. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajan Sharma
- Department of Food Science and Technology Punjab Agricultural University Ludhiana India
| | - Manisha Bhandari
- Department of Food Science and Technology Punjab Agricultural University Ludhiana India
| | - Savita Sharma
- Department of Food Science and Technology Punjab Agricultural University Ludhiana India
| | - Ruchika Bhardwaj
- Department of Plant Breeding and Genetics Punjab Agricultural University Ludhiana India
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Kiani R, Arzani A, Mirmohammady Maibody SAM. Polyphenols, Flavonoids, and Antioxidant Activity Involved in Salt Tolerance in Wheat, Aegilops cylindrica and Their Amphidiploids. Front Plant Sci 2021; 12:646221. [PMID: 33841475 PMCID: PMC8027307 DOI: 10.3389/fpls.2021.646221] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 03/04/2021] [Indexed: 05/25/2023]
Abstract
Aegilops spp. is the closest genus to wheat (Triticum spp.), which makes Aegilops great candidates to exhibit precursors of wheat features. Aegilops cylindrica Host displays excellent salt tolerance. In the current study, biochemical and phytochemical compounds in the leaves of two wheat cultivars, one hyper-salt tolerant Ae. cylindrica genotype and their amphidiploids (derived from "Chinese Spring" × Ae. cilindrica and "Roshan" × Ae. cylindrica), grown under control and saline field conditions, were assessed. These compounds included total protein content, proline content, electrolyte leakage, total flavonoid content, total phenolic content, DPPH radical scavenging activity, and reducing power. In addition, phenolic components were also identified using HPLC analysis. Chlorogenic acid, ellagic acid, ferulic acid, syringic acid, vanillic acid, p-coumaric acid, caffeic acid, and gallic acid were the most abundant phenolic acids. Luteolin, apigenin, and rutin were the most abundant flavonoids in the leaves. Salt stress significantly increased all biochemical variables, with the exceptions of reducing power and p-coumaric acid. Interestingly, amphidiploid genotypes exhibited intermediate levels of most of the detected phenolic compounds between the two parental species. As demonstrated by bivariate correlations luteolin, chlorogenic acid, caffeic acid and apigenin could predict inhibition percentage by DPPH assay, suggesting a possible role in the cellular defense against oxidative stress in wheat. The amphidiploids and their wild parent performed significantly better than wheat cultivars on phenolic constituents, flavonoids, and maintaining redox homeostasis under salt stress conditions.
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Affiliation(s)
| | - Ahmad Arzani
- *Correspondence: Ahmad Arzani, ; orcid.org/0000-0001-5297-6724
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Singh A, Bobade H, Sharma S, Singh B, Gupta A. Enhancement of Digestibility of Nutrients (In vitro), Antioxidant Potential and Functional Attributes of Wheat Flour Through Grain Germination. Plant Foods Hum Nutr 2021; 76:118-124. [PMID: 33635513 DOI: 10.1007/s11130-021-00881-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/27/2021] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
Wheat grains were germinated at different time (12, 24, 36, and 48 h) and temperature (25, 30, and 35°C) to enhance the functionality of resultant flour. Results revealed that an increase in germination time and temperature enhanced the in vitro digestibility of starch (10.35-42.30 %) and proteins (6.31-44.02 %) owing to their depolymerization by hydrolytic enzymes. Total phenolic and flavonoid content of wheat during germination at variable conditions were enhanced significantly (p < 0.05) from 3.62 to 5.54 mg GAE/g and 32.06 to 54.33 mg QE/100 g, respectively. Germination at elevated temperature (35°C) for a prolonged time (48 h) increased the DPPH RSA by 58.85 %, reducing power by 80.40 % and metal chelating activity by 112.26 % as a result of the structural breakdown of bound phenolics. Increased activity of hydrolytic enzymes also results in a continuous reduction in the viscosity and lightness values of wheat flour. Tailored germination, therefore, can be offered as a tool to increase the nutrient digestibility and bioactive potential of wheat thus resulting in producing the naturally modified flour with enhanced functionality.
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Affiliation(s)
- Arashdeep Singh
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, 141004, India.
| | - Hanuman Bobade
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Savita Sharma
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Baljit Singh
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Antima Gupta
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
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Bravi E, Francesco G, Sileoni V, Perretti G, Galgano F, Marconi O. Brewing By-Product Upcycling Potential: Nutritionally Valuable Compounds and Antioxidant Activity Evaluation. Antioxidants (Basel) 2021; 10:165. [PMID: 33499399 DOI: 10.3390/antiox10020165] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 11/16/2022] Open
Abstract
The brewing industry produces high quantities of solid and liquid waste, causing disposal issues. Brewing spent grains (BSGs) and brewing spent hop (BSH) are important by-products of the brewing industry and possess a high-value chemical composition. In this study, BSG and BSH, obtained from the production process of two different types of ale beer (Imperial red and Belgian strong beer) were characterized in terms of valuable components, including proteins, carbohydrates, fat, dietary fiber, β-glucans, arabinoxylans, polyphenols, and phenolic acids, and antioxidant activity (Ferric Reducing Antioxidant Power Assay (FRAP), 2,2-Diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS)). Significant concentrations of total polyphenols were observed in both BSH and BSG samples (average of about 10 mg GAE/g of dry mass); however, about 1.5-fold higher levels were detected in by-products of Belgian strong ale beer compared with Imperial red. Free and bound phenolic acids were quantified using a validated chromatographic method. A much higher level of total phenolic acids (TPA) (about 16-fold higher) was found in BSG samples compared with BSHs. Finally, their antioxidant potential was verified. By-products of Belgian strong ale beer, both BSG and BSH, showed significantly higher antioxidative capacity (about 1.5-fold lower inhibitory concentration (IC50) values) compared with spent grains and hop from the brewing of Imperial red ale. In summary, BSG and BSH may be considered rich sources of protein, carbohydrates, fiber, and antioxidant compounds (polyphenols), and have the potential to be upcycled by transformation into value-added products.
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Marti A, Tyl C. Capitalizing on a double crop: Recent advances in proso millet's transition to a food crop. Compr Rev Food Sci Food Saf 2020; 20:819-839. [PMID: 33443801 DOI: 10.1111/1541-4337.12681] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/07/2020] [Accepted: 11/06/2020] [Indexed: 12/19/2022]
Abstract
Across the globe, strategies to adapt food production to a changing climate as well as to unforeseen events (such as a pandemic) are needed, for example, if farmers miss planting times due to abnormal weather patterns or harvests are lost. Such food security considerations represent reasons for why proso millet deserves a more prominent place at the table. It has one of the shortest growing seasons and water requirements among cereals and is already grown in rotation with other crops, for example, in the American Midwest. Yet, most consumers in the Western world are unfamiliar with it, which limits its market potential. Introducing proso millet to consumers requires development of products with acceptable textural and sensory attributes as well as convincing selling points. These can be found in its nutritional profile, as it is a gluten-free "ancient" grain and millet-based products frequently have low glycemic indices. This review presents a synthesis of recent studies that utilized processing strategies to advance proso millet functionality. Results are put into the context of the most frequently addressed compositional and functional attributes, organized in clusters. Diversity across varieties in amylose to amylopectin ratios presents an opportunity to utilize proso millet for foods with specific pasting requirements, as in bread versus pasta. Hydrothermal or pressure treatments may further adapt its functionality for baked goods. Bitterness remains an unsolved issue, even when decorticated material is used. In addition, heating dramatically lowers in vitro protein digestibility, whereas starch digestibility appears to be matrix dependent (more than raw material dependent).
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Affiliation(s)
- Alessandra Marti
- Department of Food, Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan, Italy
| | - Catrin Tyl
- Department of Food Science and Technology, University of Georgia, Athens, Georgia
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Alfeo V, Bravi E, Ceccaroni D, Sileoni V, Perretti G, Marconi O. Effect of Baking Time and Temperature on Nutrients and Phenolic Compounds Content of Fresh Sprouts Breadlike Product. Foods 2020; 9:E1447. [PMID: 33066003 PMCID: PMC7599486 DOI: 10.3390/foods9101447] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 12/03/2022] Open
Abstract
Sprouting has received increasing attention because of the enhanced nutritional values of the derived products. Baking affects the nutrient availability of the end products. The aim of this study was to evaluate how different baking time and temperature affect the nutritional values of bakery products derived from fresh wheat sprouts. Results indicate that the breadlike products showed comparable total polyphenol content and the thermal processes affected the free and bound fractions. Low temperature and high exposure time appear to promote the availability of the free polyphenols and sugars, while high temperature and low exposure time appear to preserve bound polyphenols and starch. Sugar profiles were influenced by baking programs with a higher simple sugar content in the samples processed at low temperature. Phenolic acids showed a strong decrease following processing, and free and bound phenolic acids were positively influenced by high baking temperatures, while an opposite trend was detected at low temperatures. Significant differences in phenolic acid profiles were also observed with a redistribution of hydroxycinnamic acids among the bound and free fractions. It may be concluded that grain type, germination conditions, and the baking programs play a fundamental role for the production of high-nutritional-value bakery products.
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Affiliation(s)
- Vincenzo Alfeo
- Italian Brewing Research Centre, University of Perugia, via San Costanzo s.n.c., 06126 Perugia, Italy; (V.A.); (E.B.); (D.C.); (G.P.); (O.M.)
| | - Elisabetta Bravi
- Italian Brewing Research Centre, University of Perugia, via San Costanzo s.n.c., 06126 Perugia, Italy; (V.A.); (E.B.); (D.C.); (G.P.); (O.M.)
| | - Dayana Ceccaroni
- Italian Brewing Research Centre, University of Perugia, via San Costanzo s.n.c., 06126 Perugia, Italy; (V.A.); (E.B.); (D.C.); (G.P.); (O.M.)
| | - Valeria Sileoni
- Department of Economics, Universitas Mercatorum, Piazza Mattei 10, 00186, Rome, Italy
| | - Giuseppe Perretti
- Italian Brewing Research Centre, University of Perugia, via San Costanzo s.n.c., 06126 Perugia, Italy; (V.A.); (E.B.); (D.C.); (G.P.); (O.M.)
- Department of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno, 06121 Perugia, Italy
| | - Ombretta Marconi
- Italian Brewing Research Centre, University of Perugia, via San Costanzo s.n.c., 06126 Perugia, Italy; (V.A.); (E.B.); (D.C.); (G.P.); (O.M.)
- Department of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno, 06121 Perugia, Italy
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