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Li W, Xu R, Qin S, Song Q, Guo B, Li M, Zhang Y, Zhang B. Cereal dietary fiber regulates the quality of whole grain products: Interaction between composition, modification and processing adaptability. Int J Biol Macromol 2024; 274:133223. [PMID: 38897509 DOI: 10.1016/j.ijbiomac.2024.133223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 05/27/2024] [Accepted: 06/15/2024] [Indexed: 06/21/2024]
Abstract
The coarse texture and difficulty in processing dietary fiber (DF) in cereal bran have become limiting factors for the development of the whole cereal grain (WCG) food industry. To promote the development of the WCG industry, this review comprehensively summarizes the various forms and structures of cereal DF, including key features such as molecular weight, chain structure, and substitution groups. Different modification methods for changing the chemical structure of DF and their effects on the modification methods on physicochemical properties and biological activities of DF are discussed systematically. Furthermore, the review focusses on exploring the interactions between DF and dough components and discusses the effects on the gluten network structure, starch gelatinization and retrogradation, fermentation, glass transition, gelation, and rheological and crystalline characteristics of dough. Additionally, opportunities and challenges regarding the further development of DF for the flour products are also reviewed. The objective of this review is to establish a comprehensive foundation for the precise modification of cereal DF, particularly focusing on its application in dough-related products, and to advance the development and production of WCG products.
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Affiliation(s)
- Wen Li
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
| | - Rui Xu
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
| | - Shaoshuang Qin
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
| | - Qiaozhi Song
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
| | - Boli Guo
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China.
| | - Ming Li
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China.
| | - Yingquan Zhang
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
| | - Bo Zhang
- Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences/Comprehensive Utilization Laboratory of Cereal and Oil Processing, Ministry of Agriculture and Rural, Beijing 100193, China; Institute of food science technology nutrition and health (Cangzhou) CAAS, Cangzhou, Hebei 061019.China
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Qi H, Wang R, Wang C, Wang R, Shen J, Fang H, Zhang J. Integrated Microbiome and Metabolomics Analysis of the Effects of Dietary Supplementation with Corn-Steep-Liquor-Derived Candida utilis Feed on Black Pigs. Animals (Basel) 2024; 14:306. [PMID: 38254475 PMCID: PMC10812819 DOI: 10.3390/ani14020306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/27/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
In this experiment, glucose master liquor and corn steep liquor were used as carbon and nitrogen sources, and Candida utilis was used as a strain to ferment yeast feed. The OD value and number of yeast cells were used as response values to optimize the medium components of the yeast feed through a response surface methodology. The optimal medium components were a glucose master liquor concentration of 8.3%, a corn steep liquor concentration of 1.2%, and a KH2PO4 concentration of 0.14%. Under this condition of fermentation, the OD value was 0.670 and the number of yeast cells was 2.72 × 108/mL. Then, we fed Candida utilis feed to Dongliao black piglets, and the effects of the yeast feed on the piglets' growth performance, fecal microbiota, and plasma metabolic levels were investigated through 16S rDNA sequencing and metabolomics. In total, 120 black piglets with an average initial weight of 6.90 ± 1.28 kg were randomly divided into two groups. One group was fed the basic diet (the CON group), and the other was supplemented with 2.5% Candida utilis add to the basic diet (the 2.5% CU group). After a pre-feeding period, the formal experiments were performed for 21 days. The results showed that the addition of Candida utilis to the diet did not affect growth performance compared with the control group. Meanwhile, no significant differences were observed in the serum biochemical indices. However, piglets in the 2.5% CU group had a significantly altered fecal microbiota, with an increased abundance of Clostridium_sensu_stricto_1, Lactobacillus, and Muribaculaceae_unclassified. Regarding the plasma metabolome, the 12 differential metabolites detected were mainly enriched in the histidine, tryptophan, primary bile acid, and caffeine metabolic pathways. Regarding the integrated microbiome-metabolome analysis, differential metabolites correlated with fecal flora to variable degrees, but most of them were beneficial bacteria of Firmicutes. Collectively, dietary Candida utilis feed had no adverse effect on growth performance; however, it played an important role in regulating fecal flora and maintaining metabolic levels.
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Affiliation(s)
| | | | - Chuanqi Wang
- College of Animal Sciences, Jilin University, Changchun 130062, China
| | | | | | | | - Jing Zhang
- College of Animal Sciences, Jilin University, Changchun 130062, China
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Sekoai PT, Roets-Dlamini Y, O’Brien F, Ramchuran S, Chunilall V. Valorization of Food Waste into Single-Cell Protein: An Innovative Technological Strategy for Sustainable Protein Production. Microorganisms 2024; 12:166. [PMID: 38257991 PMCID: PMC10819637 DOI: 10.3390/microorganisms12010166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
The rapidly increasing population and climate change pose a great threat to our current food systems. Moreover, the high usage of animal-based and plant-based protein has its drawbacks, as these nutritional sources require many hectares of land and water, are affected by seasonal variations, are costly, and contribute to environmental pollution. Single-cell proteins (SCPs) are gaining a lot of research interest due to their remarkable properties, such as their high protein content that is comparable with other protein sources; low requirements for land and water; low carbon footprint; and short production period. This review explores the use of food waste as a sustainable feedstock for the advancement of SCP processes. It discusses SCP studies that exploit food waste as a substrate, alongside the biocatalysts (bacteria, fungi, yeast, and microalgae) that are used. The operational setpoint conditions governing SCP yields and SCP fermentation routes are elucidated as well. This review also demonstrates how the biorefinery concept is implemented in the literature to improve the economic potential of "waste-to-protein" innovations, as this leads to the establishment of multiproduct value chains. A short section that discusses the South African SCP scenario is also included. The technical and economic hurdles facing second-generation SCP processes are also discussed, together with future perspectives. Therefore, SCP technologies could play a crucial role in the acceleration of a "sustainable protein market", and in tackling the global hunger crisis.
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Affiliation(s)
- Patrick T. Sekoai
- Biorefinery Industry Development Facility, Council for Scientific and Industrial Research, Durban 4041, South Africa;
| | - Yrielle Roets-Dlamini
- Bioprocessing Group, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (Y.R.-D.); (F.O.); (S.R.)
| | - Frances O’Brien
- Bioprocessing Group, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (Y.R.-D.); (F.O.); (S.R.)
| | - Santosh Ramchuran
- Bioprocessing Group, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (Y.R.-D.); (F.O.); (S.R.)
- School of Life Science, University of KwaZulu-Natal, Durban 4041, South Africa
| | - Viren Chunilall
- Biorefinery Industry Development Facility, Council for Scientific and Industrial Research, Durban 4041, South Africa;
- Discipline of Chemical Engineering, University of KwaZulu-Natal, Durban 4041, South Africa
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Abid K, Jabri J, Yaich H, Malek A, Rekhis J, Kamoun M. Bioconversion of alperujo into an alternative feed for ruminants by pretreatment with live yeasts and/or exogenous fibrolytic enzymes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:64747-64754. [PMID: 37071367 PMCID: PMC10112312 DOI: 10.1007/s11356-023-27056-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 04/12/2023] [Indexed: 05/11/2023]
Abstract
Extraction of olive oil through a two-stage centrifugation process produces a large amount of phytotoxic waste known as alperujo. This research was performed to bioconvert alperujo into enriched ruminant feed by pretreatment with exogenous fibrolytic enzymes (EFE) or/and live yeasts (LY). These additives were used in a completely randomized design with 3 EFE doses (0, 4, and 8 µl/g dry matter) and 3 LY doses (0, 4, and 8 mg/g dry matter) in a 3 × 3 factorial arrangement. Fermented alperujo with both EFE doses converted some of their hemicellulose and cellulose to simple sugars and increased bacterial abundance in the rumen. As a result, it shortens the lag time of rumen fermentation, increases the rate and amount of rumen fermentation, and improves digestibility. This improvement provides additional energy that can be used by ruminants to produce milk and by rumen microbiota to produce short-chain fatty acids. Fermented alperujo with a high dose of LY decreased their antinutritional compounds and reduced their high content of lipid. In the rumen, this waste became rapidly fermentable, and rumen bacteria became more abundance. Fermented alperujo with a high dose of LY + EFE accelerated rumen fermentation and improved rumen digestibility, energy available for milk production, and short-chain fatty acids compared to the use of LY or EFE alone. This synergistic interaction between these two additives increased protozoa abundance in rumen and the ability of rumen microbiota to bioconvert ammonia-nitrogen to microbial protein. Ultimately, fermentation alperujo with EFE + LY is a good strategy with minimum investment for a social sustainable economy and environment.
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Affiliation(s)
- Khalil Abid
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia.
| | - Jihene Jabri
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia
| | - Hela Yaich
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia
| | - Atef Malek
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia
| | - Jamel Rekhis
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia
| | - Mohamed Kamoun
- Animal Nutrition Laboratory, National School of Veterinary Medicine Sidi Thabet, University of Manouba, 2020, Manouba, Tunisia
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Šelo G, Planinić M, Tišma M, Martinović J, Perković G, Bucić-Kojić A. Bioconversion of Grape Pomace with Rhizopus oryzae under Solid-State Conditions: Changes in the Chemical Composition and Profile of Phenolic Compounds. Microorganisms 2023; 11:microorganisms11040956. [PMID: 37110379 PMCID: PMC10143194 DOI: 10.3390/microorganisms11040956] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 04/08/2023] Open
Abstract
Grape pomace is a sustainable source of bioactive phenolic compounds used in various industries. The recovery of phenolic compounds could be improved by biological pretreatment of grape pomace, as they are released from the lignocellulose structure by the activity of the enzymes produced. The influence of grape pomace pretreatment with Rhizopus oryzae under solid-state conditions (SSF) on the phenolic profile and chemical composition changes was studied. SSF was performed in laboratory jars and in a tray bioreactor for 15 days. Biological pretreatment of grape pomace resulted in an increase in the content of 11 individual phenolic compounds (from 1.1 to 2.5-fold). During SSF, changes in the chemical composition of the grape pomace were observed, including a decrease in ash, protein, and sugar content, and an increase in fat, cellulose, and lignin content. A positive correlation (r > 0.9) was observed between lignolytic enzymes and the hydrolytic enzyme’s xylanase and stilbene content. Finally, after 15 days of SSF, a weight loss of GP of 17.6% was observed. The results indicate that SSF under experimental conditions is a sustainable bioprocess for the recovery of phenolic compounds and contributes to the zero-waste concept by reducing waste.
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Affiliation(s)
- Gordana Šelo
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
| | - Mirela Planinić
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
| | - Marina Tišma
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
| | - Josipa Martinović
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
| | - Gabriela Perković
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
| | - Ana Bucić-Kojić
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, HR-31 000 Osijek, Croatia
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