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Wang W, Yang S, Wang L, Hou F, Song S, Wang Y, Gong Z, Jia F. Effect of Flammulina velutipes Soluble Dietary Fiber on Dough Processing Characteristics and Micro-Fermented Dried Noodles Quality Properties. Foods 2024; 13:2764. [PMID: 39272530 PMCID: PMC11395393 DOI: 10.3390/foods13172764] [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: 07/18/2024] [Revised: 08/12/2024] [Accepted: 08/27/2024] [Indexed: 09/15/2024] Open
Abstract
Our research focused on the integration of Flammulina velutipes soluble dietary fiber (Fv-SDF) into wheat flour during the production of dried noodles, delving into the impact of different addition ratios of Fv-SDF on both dough processing characteristics and the quality of the micro-fermented dried noodles. The viscometric and thermodynamic analyses revealed that Fv-SDF notably improved the thermal stability of the mix powder, reduced viscosity, and delayed starch aging. Additionally, Fv-SDF elevated the gelatinization temperature and enthalpy value of the blend. Farinograph Properties and dynamic rheology properties further indicated that Fv-SDF improved dough formation time, stability time, powder quality index, and viscoelasticity. Notably, at a 10% Fv-SDF addition, the noodles achieved the highest sensory score (92) and water absorption rate (148%), while maintaining a lower dry matter loss rate (5.2%) and optimal cooking time (142 s). Gas chromatography-ion mobility spectrometry (GC-IMS) analysis showed that 67 volatile substances were detected, and the contents of furfural, 1-hydroxy-2-acetone, propionic acid, and 3-methylbutyraldehyde were higher in the Fv-SDF 10% group. These 10% Fv-SDF micro-fermented noodles were not only nutritionally enhanced, but also had a unique flavor. This study provides a valuable theoretical basis for the industrial application of F. velutipes and the development of high-quality dried noodles rich in Fv-SDF.
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Affiliation(s)
- Wenliang Wang
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Shuang Yang
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Department of Life Science and Food Engineering, Hebei University of Engineering, Handan 056200, China
| | - Lihong Wang
- Department of Life Science and Food Engineering, Hebei University of Engineering, Handan 056200, China
| | - Furong Hou
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Shasha Song
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Yansheng Wang
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Zhiqing Gong
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Fengjuan Jia
- Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
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Cao Z, Zhou L, Gao S, Yang C, Meng X, Liu Z. Effects of different amounts of okara on texture, digestive properties, and microstructure of noodles. Food Sci Nutr 2024; 12:3433-3442. [PMID: 38726422 PMCID: PMC11077229 DOI: 10.1002/fsn3.4007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/30/2023] [Accepted: 01/23/2024] [Indexed: 05/12/2024] Open
Abstract
As a byproduct of manufacturing soybeans, okara is high in dietary fiber, protein, and fats, and it contains all of the essential amino acids. Wheat, the primary ingredient in noodles, will lose nutrients during manufacturing, creating an imbalance in nutrients. This experiment is for the purpose of studying the effects of okara on quality, antioxidant properties, amino acid content, resistant starch (RS) content, and microstructure of noodles. The results indicate that the addition of 9% okara noodles increased hardness and adhesiveness by 107.19% and 132.14%, respectively, and improved ABTS free radical scavenging activity by 60.78%. The addition of 12% okara noodles increased the DPPH free radical scavenging ability by 23.66%, reduced the rapidly digestible starch (RDS) content of the noodles to 21.21%, and the resistant starch content increased to 44.85% (p < .05). Therefore, to address the issue of nutritional imbalance in wheat noodles without compromising the quality of the noodles, it is recommended to add 9% or 12% okara for the preparation of nutritionally fortified noodles.
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Affiliation(s)
- Zhongwen Cao
- School of Tourism and CuisineYangzhou UniversityYangzhouChina
- Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology InheritanceMinistry of Culture and TourismYangzhouChina
| | - Lingchen Zhou
- School of Food and EngineeringYangzhou UniversityYangzhouChina
| | - Sumin Gao
- School of Tourism and CuisineYangzhou UniversityYangzhouChina
- Engineering Technology Research Center of Yangzhou Prepared CuisineYangzhouChina
| | - Cheng Yang
- School of Food and EngineeringYangzhou UniversityYangzhouChina
- Engineering Technology Research Center of Yangzhou Prepared CuisineYangzhouChina
| | - Xiangren Meng
- School of Tourism and CuisineYangzhou UniversityYangzhouChina
- Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology InheritanceMinistry of Culture and TourismYangzhouChina
- Engineering Technology Research Center of Yangzhou Prepared CuisineYangzhouChina
| | - Zhao Liu
- Fuzhou PolytechnicFuzhou PolytechnicFuzhouChina
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Zhang M, Chen Z. Changes in Cooking Characteristics, Structural Properties and Bioactive Components of Wheat Flour Noodles Partially Substituted with Whole-Grain Hulled Tartary Buckwheat Flour. Foods 2024; 13:395. [PMID: 38338530 PMCID: PMC10855327 DOI: 10.3390/foods13030395] [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: 12/05/2023] [Revised: 01/17/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
The whole-grain, hulled Tartary buckwheat flour (HTBF) with outstanding bioactive functions was prepared, and the effects of partial substitution ratios (0, 30%, 51% and 70%) of wheat flour with HTBF on the characteristics of TB noodles (TBNs) were investigated, mainly including the cooking characteristics, sensory analysis, internal structure, bioactive components, and in vitro starch digestibility. With an increasing replacement level of HTBF, the water absorption index of the noodles decreased, whereas the cooking loss increased. A sensory analysis indicated that there were no off-flavors in all TBN samples. The scanning electron microscope images presented that the wheat noodles, 30% TBNs and 70% TBNs had dense and uniform cross sections. Meanwhile, the deepest color, V-type complexes, and lowest crystallinity (13.26%) could be observed in the 70% TBNs. A HTBF substitution increased the rutin content and the total phenolic and flavonoid contents in the TBNs, and higher values were found in the 70% TBNs. Furthermore, the lowest rapidly digestible starch content (16%) and highest resistant starch content (66%) were obtained in the 70% TBNs. Results demonstrated that HTBF could be successfully applied to make TBNs, and a 70% substitution level was suggested. This study provides consumers with a good option in the realm of special noodle-type products.
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Affiliation(s)
| | - Zhigang Chen
- College of Food Science & Technology, Nanjing Agricultural University, Nanjing 210095, China;
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Zamaratskaia G, Gerhardt K, Knicky M, Wendin K. Buckwheat: an underutilized crop with attractive sensory qualities and health benefits. Crit Rev Food Sci Nutr 2023:1-16. [PMID: 37640053 DOI: 10.1080/10408398.2023.2249112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
The pseudocereal buckwheat is one of the ancient domesticated crops. The aim of the present review was to outline the potential of buckwheat as an agricultural crop and brings studies on buckwheat into a new larger perspective combining current knowledge in agricultural history and practice, nutritional and sensory properties, as well as possible benefits to human health. Historically, buckwheat was an appreciated crop because of its short growth period, moderate requirements for growth conditions, and high adaptability to adverse environments. Nowadays, interest in buckwheat-based food has increased because of its nutritional composition and many beneficial properties for human health. Buckwheat is a rich course of proteins, dietary fibers, vitamins, minerals, and bioactive compounds, including flavonoids. Moreover, it contains no gluten and can be used in the production of gluten-free foods for individuals diagnosed with celiac disease, non-celiac gluten sensitivity, or wheat protein allergies. Buckwheat is traditionally used in the production of various foods and can be successfully incorporated into various new food formulations with positive effects on their nutritional value and attractive sensory properties. Further research is needed to optimize buckwheat-based food development and understand the mechanism of the health effects of buckwheat consumption on human well-being.
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Affiliation(s)
- Galia Zamaratskaia
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic
| | - Karin Gerhardt
- Swedish Biodiversity Centre, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Martin Knicky
- Bioeconomy and Health, Agriculture and Food, RISE Research Institutes of Sweden, Uppsala, Sweden
| | - Karin Wendin
- Research Environment MEAL, Faculty of Natural Science, Kristianstad University, Kristianstad, Sweden
- Department of Food Science, University of Copenhagen, Copenhagen, Denmark
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5
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Guo X, Gu F, Li Y, Zhang Q, Hu R, Jiao B, Wang F, Wang Q. Precooking treatments affect the sensory and tensile properties of autoclaved recooked noodles via moisture distribution and protein structure. Food Chem 2023; 421:136218. [PMID: 37105120 DOI: 10.1016/j.foodchem.2023.136218] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/16/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023]
Abstract
To improve the quality of autoclaved recooked noodles (ARNs), this study explored the effects of precooking on the sensory and tensile properties of ARNs from the perspectives of changes in protein structure and water distribution. The results showed that the ARNs of two kinds of pretreatments (Boiling 2 min, Boiling 1 min + Steaming 2 min) presented the best sensory quality (average score ≥ 7.50) and high tensile properties (tensile distance ≥ 45.24 mm). After autoclaving and recooking, the proportion of tightly bound water increased by 11.30%-12.52%, resulting in stronger water-solid interaction. The results of laser confocal microscopy (CLSM) proved that a strengthened gluten network (protein percentage area ≥ 40.28%; junction density ≥ 10.96 × 10-4) appeared. Therefore, appropriate precooking treatment could effectively improve the sensory quality and tensile properties of ARNs by enhancing the tightly bound water ratio and strengthening the gluten network.
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Affiliation(s)
- Xin Guo
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China
| | - Fengying Gu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China
| | - Yang Li
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China; School of Food Science and Biology, Hebei University of Science and Technology, Hebei 050018,China
| | - Qiaozhen Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China
| | - Runrun Hu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China
| | - Bo Jiao
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China.
| | - Feng Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China; College of Biochemical Engineering, Beijing Union University, Beijing 100023, China.
| | - Qiang Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing 100193, China.
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Study on the quality characteristics of hot-dry noodles by microbial polysaccharides. Food Res Int 2023; 163:112200. [PMID: 36596138 DOI: 10.1016/j.foodres.2022.112200] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
Abstract
The effect of curdlan gum (CG), gellan gum (GG), and xanthan gum (XG) on the quality characteristics of hot-dry noodles (HDN) was investigated. The rheology properties were used to evaluate the quality of the dough, the textural, viscosity, cooking characteristics and water states were investigated to study the quality changes of HDN. Three microbial polysaccharides were found that it could improve the quality of wheat flour and significantly increase the starch viscosity of HDN and delay the water migration rate of HDN. When 0.2% CG, 0.5% GG, and 0.5% XG were added, the HDN showed the best flour swelling power, texture, and tensile properties, and the structure of gluten network was significantly improved. The flourier transform infrared spectroscopy results showed that microbial polysaccharides with appropriate concentrations changed the formation of hydrogen bond in HDN, decreased α-helix and increased β-turn content. Meanwhile, the relative continuous and complete gluten network was formed, which could be proven by microstructure observation. This study provides a reference for functionality applications of HDN with microbial polysaccharides.
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An D, Li H, Li D, Zhang D, Huang Y, Obadi M, Xu B. The relation between wheat starch properties and noodle springiness: From the view of microstructure quantitative analysis of gluten-based network. Food Chem 2022; 393:133396. [DOI: 10.1016/j.foodchem.2022.133396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 05/03/2022] [Accepted: 06/01/2022] [Indexed: 11/04/2022]
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Wang R, Li M, Brennan MA, Kulasiri D, Guo B, Brennan CS. Phenolic Release during In Vitro Digestion of Cold and Hot Extruded Noodles Supplemented with Starch and Phenolic Extracts. Nutrients 2022; 14:nu14183864. [PMID: 36145240 PMCID: PMC9504551 DOI: 10.3390/nu14183864] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/12/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Dietary phenolic compounds must be released from the food matrix in the gastrointestinal tract to play a bioactive role, the release of which is interfered with by food structure. The release of phenolics (unbound and bound) of cold and hot extruded noodles enriched with phenolics (2.0%) during simulated in vitro gastrointestinal digestion was investigated. Bound phenolic content and X-ray diffraction (XRD) analysis were utilized to characterize the intensity and manner of starch-phenolic complexation during the preparation of extruded noodles. Hot extrusion induced the formation of more complexes, especially the V-type inclusion complexes, with a higher proportion of bound phenolics than cold extrusion, contributing to a more controlled release of phenolics along with slower starch digestion. For instance, during simulated small intestinal digestion, less unbound phenolics (59.4%) were released from hot extruded phenolic-enhanced noodles than from the corresponding cold extruded noodles (68.2%). This is similar to the release behavior of bound phenolics, that cold extruded noodles released more bound phenolics (56.5%) than hot extruded noodles (41.9%). For noodles extruded with rutin, the release of unbound rutin from hot extruded noodles and cold extruded noodles was 63.6% and 79.0%, respectively, in the small intestine phase, and bound rutin was released at a much lower amount from the hot extruded noodles (55.8%) than from the cold extruded noodles (89.7%). Hot extrusion may allow more potential bioaccessible phenolics (such as rutin), further improving the development of starchy foods enriched with controlled phenolics.
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Affiliation(s)
- Ruibin Wang
- Key Laboratory of Agro-Products Processing, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
- Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture & Life Sciences, Lincoln University, Lincoln 7647, New Zealand
- Riddet Institute, Massey University, Palmerston North 4474, New Zealand
| | - Ming Li
- Key Laboratory of Agro-Products Processing, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Margaret Anne Brennan
- Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture & Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Don Kulasiri
- Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture & Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Boli Guo
- Key Laboratory of Agro-Products Processing, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
- Correspondence: (B.G.); (C.S.B.)
| | - Charles Stephen Brennan
- Riddet Institute, Massey University, Palmerston North 4474, New Zealand
- School of Science, Royal Melbourne Institute of Technology University, Melbourne, VIC 3000, Australia
- Correspondence: (B.G.); (C.S.B.)
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Effect of Ginkgo Biloba Powder on the Physicochemical Properties and Quality Characteristics of Wheat Dough and Fresh Wet Noodles. Foods 2022; 11:foods11050698. [PMID: 35267331 PMCID: PMC8909626 DOI: 10.3390/foods11050698] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/10/2022] [Accepted: 02/24/2022] [Indexed: 02/04/2023] Open
Abstract
Effects of ginkgo biloba powder (GBP) on the chemical, physicochemical properties and quality of dough and fresh wet noodles were investigated. Lower contents of gluten and starch, and higher contents of fibre, amylose and flavonoids in GBP than wheat flour, were detected. Water absorption of dough increased and the development time and stability time of dough were decreased with GBP addition. Meanwhile, the pasting properties results showed that the addition of GBP reduced the aging degree of starch and improved the thermal stability of dough. Scanning electron microscopy results showed that addition of GBP smoothed the surface of raw noodles while increasing the hole size of the cooked noodles. With increased GBP addition (0~40%), the chewiness and extensibility of the fresh wet noodles increased significantly (p < 0.05), and the sensory scores changed, ascending from 0~20% substitution, and then descending from 20~40% substitution. The digestibility and estimated glycemic index (eGI) values of the GBP fresh wet noodles decreased significantly (p < 0.05). In general, 20% GBP addition could improve the chewiness, extensibility, taste and nutrition of fresh wet noodles, and decrease the digestibility and eGI values of noodles. Thus, GBP has potential for application in the noodle industry.
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Hydration and plasticization effects of maltodextrin on the structure and cooking quality of extruded whole buckwheat noodles. Food Chem 2021; 374:131613. [PMID: 34815111 DOI: 10.1016/j.foodchem.2021.131613] [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: 08/08/2021] [Revised: 11/04/2021] [Accepted: 11/11/2021] [Indexed: 11/21/2022]
Abstract
In order to improve the structure and cooking quality of extruded whole buckwheat noodles (EWBN), maltodextrin (MD), the homologous substances of starch, was added to buckwheat flour to prepare the EWBN. Hydrogen bonds formed between MD and buckwheat starch molecules and the crystallinity of EWBN decreased as determined by FT-IR and X-ray diffraction, which indicated plasticization effects of MD on buckwheat starch. The content of tightly bound water first increased and then decreased with the increasing amount of MD and the cooking time of EWBM decreased from 5.4 to 3.1 min due to the hydration effects of MD. The cooking loss first decreased and then increased, and showed a minimum value of 9.22% when adding 1 wt% of MD. For texture properties, the hardness, stickiness, chewiness and elongation at break of EWBN first increased and then decreased with the addition of MD, and all reached the maximum value at 3 wt% of MD. These findings showed the potential of adding MD, especially at the appropriate concentration, for improving structure and cooking quality of EWBN.
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Puligundla P, Lim S. Buckwheat noodles: processing and quality enhancement. Food Sci Biotechnol 2021; 30:1471-1480. [PMID: 34868697 PMCID: PMC8595341 DOI: 10.1007/s10068-021-00960-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/15/2021] [Accepted: 07/27/2021] [Indexed: 12/01/2022] Open
Abstract
In recent years, buckwheat noodles have gained increased importance because of their functional properties. These qualities are attributed to the abundance of bioactive compounds (e.g., rutin, quercetin) and nutraceuticals (e.g., B vitamins, unsaturated fatty acids). Buckwheat noodle consumption has been shown to be associated with improved metabolic health. Buckwheat flour exhibits properties similar to those of common cereal flours in food processing, but devoid of gluten. However, the maintenance of good textural properties and high sensory acceptability are key challenges in the development of gluten-free products, and these limitations prevented widespread application of buckwheat in the food industry. Nevertheless, continuous technological developments related to raw materials processing, noodle processing, and noodle quality enhancement have contributed to the growing popularity and acceptability of buckwheat noodles in recent times. These improvements could render buckwheat noodles a healthy gluten-free alternative to wheat noodles.
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Affiliation(s)
- Pradeep Puligundla
- Department of Food Science and Biotechnology, Gachon University, 1342 Seongnam‐daero, Sujeong‐gu, Seongnam-si, Gyeonggi-do 13120 Republic of Korea
| | - Seokwon Lim
- Department of Food Science and Biotechnology, Gachon University, 1342 Seongnam‐daero, Sujeong‐gu, Seongnam-si, Gyeonggi-do 13120 Republic of Korea
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12
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Determining the Effect of Pre-Treatment in Rice Noodle Quality Subjected to Dehydration through Hierarchical Scoring. Processes (Basel) 2021. [DOI: 10.3390/pr9081309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fresh rice noodle was usually coated in a large amount of oil to avoid stickiness and extend the shelf life. Pre-treatment has been applied to reduce the quantity of oil in rice noodle. In this research, the pre-treatment and temperature effect on the rice noodle quality subjected to hot air drying, heat pump drying, and freeze drying was investigated. Texture, color, oil content, and starch gelatinization of the dried noodle was further evaluated. Results revealed that there were significant differences (p < 0.05%) in texture, color, oil content, and starch gelatinization in rice noodle subjected to pre-treatment. Furthermore, the texture, color, oil content, and starch gelatinization demonstrated a significant difference (p < 0.05%) in freeze drying rather than hot air drying and heat pump drying. The findings indicate that the qualitative features of the dehydrated noodle are synergistic to pretreatment and drying temperature. Despite superior quality shown by freeze drying, the hierarchical scoring has proven that rice noodle undergoing hot air drying at 30 °C to produce comparable quality attributes. The hierarchical scoring can be a useful tool in quality determination for the food industry.
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