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Fu Z, Cheng S, Ma J, Basit RA, Du Y, Tian S, Fan G. Identification of Yeast Strain YA176 for Bio-Purification of Soy Molasses to Produce Raffinose Family Oligosaccharides and Optimization of Fermentation Conditions. Appl Biochem Biotechnol 2025; 197:943-963. [PMID: 39340630 DOI: 10.1007/s12010-024-05065-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2024] [Indexed: 09/30/2024]
Abstract
Soybean molasses, which contains high levels of raffinose family oligosaccharides (RFOs) such as stachyose and raffinose, is subjected to a process of bio-purification to remove sucrose while maintaining the RFOs, consequently increasing its value. This study employed morphological observation, physiological and biochemical studies, and molecular biology techniques to identify YA176, a yeast strain renowned for its effective bio-purification of soy molasses. Through single-factor and orthogonal experiments, optimal bio-purification conditions were established. YA176, belonging to Wickerhamomyces anomalus, demonstrated robust growth across a wide range of temperature and pH levels, coupled with remarkable tolerance to glucose, sucrose, and NaCl up to 41.2%, 47.3%, and 10%, respectively. Under these optimized conditions, YA176 efficiently utilized sucrose while preserving 93.3% of raffinose and 78.6% of stachyose, ensuring the retention of functional RFOs. In summary, yeast strain YA176 exhibits exceptional bio-purification abilities, making it an ideal candidate for producing functional RFOs from soy molasses.
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Affiliation(s)
- Zhilei Fu
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, 473004, Henan, China
- School of Biology and Food Science, Hebei MinZu Normal University, Chengde, 067000, China
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, No. 11, Fucheng Road, Haidian District, Beijing, 100048, China
| | - Shuang Cheng
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, 473004, Henan, China
| | - Jinghao Ma
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, No. 11, Fucheng Road, Haidian District, Beijing, 100048, China
| | - Rana Abdul Basit
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, No. 11, Fucheng Road, Haidian District, Beijing, 100048, China
| | - Yihua Du
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, No. 11, Fucheng Road, Haidian District, Beijing, 100048, China
| | - Shubin Tian
- Sweet Code Nutrition and Health Institute, Zibo, 256306, China
| | - Guangsen Fan
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, 473004, Henan, China.
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, No. 11, Fucheng Road, Haidian District, Beijing, 100048, China.
- Sweet Code Nutrition and Health Institute, Zibo, 256306, China.
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Chalella Mazzocato M, Jacquier JC. Recent Advances and Perspectives on Food-Grade Immobilisation Systems for Enzymes. Foods 2024; 13:2127. [PMID: 38998633 PMCID: PMC11241248 DOI: 10.3390/foods13132127] [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: 05/22/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024] Open
Abstract
The use of enzyme immobilisation is becoming increasingly popular in beverage processing, as this method offers significant advantages, such as enhanced enzyme performance and expanded applications, while allowing for easy process termination via simple filtration. This literature review analysed approximately 120 articles, published on the Web of Science between 2000 and 2023, focused on enzyme immobilisation systems for beverage processing applications. The impact of immobilisation on enzymatic activity, including the effects on the chemical and kinetic properties, recyclability, and feasibility in continuous processes, was evaluated. Applications of these systems to beverage production, such as wine, beer, fruit juices, milk, and plant-based beverages, were examined. The immobilisation process effectively enhanced the pH and thermal stability but caused negative impacts on the kinetic properties by reducing the maximum velocity and Michaelis-Menten constant. However, it allowed for multiple reuses and facilitated continuous flow processes. The encapsulation also allowed for easy process control by simplifying the removal of the enzymes from the beverages via simple filtration, negating the need for expensive heat treatments, which could result in product quality losses.
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Affiliation(s)
- Marcella Chalella Mazzocato
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin (UCD), Belfield, D04 V1W8 Dublin, Ireland
| | - Jean-Christophe Jacquier
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin (UCD), Belfield, D04 V1W8 Dublin, Ireland
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Bai X, Sun X, Yu Y, Guo Y, Nian L, Cao C, Cheng S. Immobilization of α-galactosidase in polyvinyl alcohol-chitosan-glycidyl methacrylate hydrogels based on directional freezing-assisted salting-out strategy for hydrolysis of RFOs. Int J Biol Macromol 2023; 242:124808. [PMID: 37211074 DOI: 10.1016/j.ijbiomac.2023.124808] [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: 03/01/2023] [Revised: 04/28/2023] [Accepted: 05/06/2023] [Indexed: 05/23/2023]
Abstract
Raffinose family oligosaccharides (RFOs) in food are the main factors causing flatulence in Irritable Bowel Syndrome (IBS) patients and the development of effective approaches for reducing food-derived RFOs is of paramount importance. In this study, polyvinyl alcohol (PVA)-chitosan (CS)-glycidyl methacrylate (GMA) immobilized α-galactosidase was prepared by the directional freezing-assisted salting-out technique, aimed to hydrolyze RFOs. SEM, FTIR, XPS, fluorescence and UV characterization results demonstrated that α-galactosidase was successfully cross-linked in the PVA-CS-GMA hydrogels, forming a distinct porous stable network through the covalent bond between the enzyme and the carrier. Mechanical performance and swelling capacity analysis illustrated that α-gal @ PVA-CS-GMA not only had suitable strength and toughness for longer durability, but also exhibited high water content and swelling capacity for better retention of catalytic activity. The enzymatic properties of α-gal @ PVA-CS-GMA showed an improved Km value, pH and temperature tolerance range, anti-enzymatic inhibitor (melibiose) activity compared to the free α-galactosidase and its reusability was at least 12 times with prolonged storage stability. Finally, it was successfully applied in the hydrolysis of RFOs in soybeans. These findings provide a new strategy for the development of α-galactosidase immobilization system to biological transform the RFOs components in the food for diet intervention of IBS.
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Affiliation(s)
- Xixi Bai
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Xiaoyang Sun
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Yue Yu
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Yuheng Guo
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Linyu Nian
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Chongjiang Cao
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Shujie Cheng
- Department of Food Nutrition and Safety/National R&D Center for Chinese Herbal Medicine Processing, School of Engineering, China Pharmaceutical University, Nanjing 211198, China.
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Zhang H, Feng M, Fang Y, Wu Y, Liu Y, Zhao Y, Xu J. Recent advancements in encapsulation of chitosan-based enzymes and their applications in food industry. Crit Rev Food Sci Nutr 2022; 63:11044-11062. [PMID: 35694766 DOI: 10.1080/10408398.2022.2086851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Enzymes are readily inactivated in harsh micro-environment due to changes in pH, temperature, and ionic strength. Developing suitable and feasible techniques for stabilizing enzymes in food sector is critical for preventing them from degradation. This review provides an overview on chitosan (CS)-based enzymes encapsulation techniques, enzyme release mechanisms, and their applications in food industry. The challenges and future prospects of CS-based enzymes encapsulation were also discussed. CS-based encapsulation techniques including ionotropic gelation, emulsification, spray drying, layer-by-layer self-assembly, hydrogels, and films have been studied to improve the encapsulation efficacy (EE), heat, acid and base stability of enzymes for their applications in food, agricultural, and medical industries. The smart delivery design, new delivery system development, and in vivo releasing mechanisms of enzymes using CS-based encapsulation techniques have also been evaluated in laboratory level studies. The CS-based encapsulation techniques in commercial products should be further improved for broadening their application fields. In conclusion, CS-based encapsulation techniques may provide a promising approach to improve EE and bioavailability of enzymes applied in food industry.HighlightsEnzymes play a critical role in food industries but susceptible to inactivation.Chitosan-based materials could be used to maintain the enzyme activity.Releasing mechanisms of enzymes from encapsulators were outlined.Applications of encapsulated enzymes in food fields was discussed.
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Affiliation(s)
- Hongcai Zhang
- College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- Shanghai Veterinary Bio-tech Key Laboratory, Shanghai, China
| | - Miaomiao Feng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yapeng Fang
- College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Wu
- College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yuan Liu
- College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yanyun Zhao
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Jianxiong Xu
- College of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Veterinary Bio-tech Key Laboratory, Shanghai, China
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Anisha GS. Microbial α-galactosidases: Efficient biocatalysts for bioprocess technology. BIORESOURCE TECHNOLOGY 2022; 344:126293. [PMID: 34752888 DOI: 10.1016/j.biortech.2021.126293] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 06/13/2023]
Abstract
Galactomannans, abundantly present in plant biomass, can be used as renewable fermentation feedstock for biorefineries working for the production of bioethanol and other value-added products. The complete and efficient bioconversion of biomass to fermentable sugars for the generation of biofuels and other value-added products require the concerted action of accessory enzymes like α-galactosidases, which can work in cohesion with other carbohydrases in an enzyme cocktail. In the paper industry, α-galactosidases enhance the bleaching effect of endo-β-1,4-mannanases on softwood kraft pulp. Microbial α-galactosidases also find applications in the treatment of legume foods, recovery of sucrose from sugar beet syrup, improving the rheological properties of galactomannans, and synthesis of α-galactooligosaccharides to be used as functional food ingredients. Owing to their industrial applications, there is a surge in the research focused on α-galactosidases. The current review illustrates the diverse industrial applications of microbial α-galactosidases and their challenges and prospects.
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Affiliation(s)
- Grace Sathyanesan Anisha
- Post-Graduate and Research Department of Zoology, Government College for Women, Thiruvananthapuram, Kerala, India.
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Liu J, Cheng J, Huang M, Shen C, Xu K, Xiao Y, Pan W, Fang Z. Identification of an Invertase With High Specific Activity for Raffinose Hydrolysis and Its Application in Soymilk Treatment. Front Microbiol 2021; 12:646801. [PMID: 33897661 PMCID: PMC8060482 DOI: 10.3389/fmicb.2021.646801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/15/2021] [Indexed: 11/23/2022] Open
Abstract
The hydrolyzation of raffinose into melibiose by using invertases under mild conditions improves the nutritional value of soybean products. However, this strategy has received little attention because a suitable invertase remains lacking. In this study, a novel invertase named InvDz13 was screened and purified from Microbacterium trichothecenolyticum and characterized. InvDz13 was one of the invertases with the highest specific activity toward raffinose. Specifically, it had a specific activity of 229 U/mg toward raffinose at pH 6.5 and 35°C. InvDz13 retained more than 80% of its maximum activity at pH 5.5–7.5 and 25–40°C and was resistant to or stimulated by most cations that presented in soymilk. In soymilk treated with InvDz13 under mild conditions, melibiose concentration increased from 3.1 ± 0.2 to 6.1 ± 0.1 mM due to raffinose hydrolyzation by InvDz13. Furthermore, the prebiotic property of InvDz13-treated soymilk was investigated via in vitro fermentation by human gut microbiota. Results showed that InvDz13 treatment increased the proportion of the beneficial bacteria Bifidobacterium and Lactobacillus by 1.6- and 3.7-fold, respectively. By contrast, the populations of Escherichia and Collinsella decreased by 1.8- and 11.7-fold, respectively. Thus, our results proved that the enzymatic hydrolysis of raffinose in soymilk with InvDz13 was practicable and might be an alternative approach to improving the nutritional value of soymilk.
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Affiliation(s)
- Juanjuan Liu
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
| | - Jing Cheng
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
| | - Min Huang
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
| | - Chen Shen
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
| | - Ke Xu
- Anhui RenRenFu Bean Co., Ltd., Hefei, China
| | - Yazhong Xiao
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
| | - Wenjuan Pan
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China
| | - Zemin Fang
- School of Life Sciences, Anhui University, Hefei, China.,Anhui Key Laboratory of Modern Biomanufacturing, Hefei, China.,Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, China
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7
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Han H, Choi JK, Park J, Im HC, Han JH, Huh MH, Lee YB. Recent innovations in processing technologies for improvement of nutritional quality of soymilk. CYTA - JOURNAL OF FOOD 2021. [DOI: 10.1080/19476337.2021.1893824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Hwana Han
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Jae Kwon Choi
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Joheun Park
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Hae Cheon Im
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Jae Heum Han
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Moon Haeng Huh
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
| | - Yoon-Bok Lee
- Central Research Institute, Dr. Chung’s Food Co. Ltd., Cheongju, Republic of Korea
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8
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Niu C, Wan X. Engineering a Trypsin-Resistant Thermophilic α-Galactosidase to Enhance Pepsin Resistance, Acidic Tolerance, Catalytic Performance, and Potential in the Food and Feed Industry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:10560-10573. [PMID: 32829638 DOI: 10.1021/acs.jafc.0c02175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
α-Galactosidase has potential applications, and attempts to improve proteolytic resistance of enzymes have important values. We use a novel strategy for genetic manipulation of a pepsin-sensitive region specific for a pepsin-sensitive but trypsin-resistant high-temperature-active Gal27B from Neosartorya fischeri to screen mutants with enhanced pepsin resistance. All enzymes were produced in Pichia pastoris to identify the roles of loop 4 (Gal27B-A23) and its key residue at position 156 (Gly156Arg/Pro/His) in pepsin resistance. Gal27B-A23 and Gly156Arg/Pro/His elevated pepsin resistance, thermostability, stability at low pH, activity toward raffinose (5.3-6.9-fold) and stachyose (about 1.3-fold), and catalytic efficiencies (up to 4.9-fold). Replacing the pepsin cleavage site Glu155 with Gly improved pepsin resistance but had no effect on pepsin resistance when Arg/Pro/His was at position 156. Thus, pepsin resistance could appear to occur through steric hindrance between the residue at the altered site and neighboring pepsin active site. In the presence of pepsin or trypsin, all mutations increased the ability of Gal27B to hydrolyze galactosaccharides in soybean flour (up to 9.6- and 4.3-fold, respectively) and promoted apparent metabolizable energy and nutrient digestibility in soybean meal for broilers (1.3-1.8-fold). The high activity and tolerance to heat, low pH, and protease benefit food and feed industry in a cost-effective way.
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Affiliation(s)
- Canfang Niu
- Zhongzhi International Institute of Agricultural Biosciences, Biology and Agriculture Research Center, University of Science and Technology Beijing, Beijing 100024, China
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xiangyuan Wan
- Zhongzhi International Institute of Agricultural Biosciences, Biology and Agriculture Research Center, University of Science and Technology Beijing, Beijing 100024, China
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Shin YJ, Woo SH, Jeong HM, Kim JS, Ko DS, Jeong DW, Lee JH, Shim JH. Characterization of novel α-galactosidase in glycohydrolase family 97 from Bacteroides thetaiotaomicron and its immobilization for industrial application. Int J Biol Macromol 2020; 152:727-734. [PMID: 32092418 DOI: 10.1016/j.ijbiomac.2020.02.232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/11/2020] [Accepted: 02/20/2020] [Indexed: 02/05/2023]
Abstract
Bacteroides thetaiotaomicron (B. thetaiotaomicron), which resides in the human intestinal tract, has a number of carbohydrate enzymes, including glycoside hydrolase (GH) family 97. Only a few GH 97 enzymes have been characterized to date. In this study, a novel α-galactosidase (Bt_3294) was cloned from B. thetaiotaomicron, expressed in Escherichia coli, and purified using affinity chromatography. This novel enzyme showed optimal activity at 60 °C and pH 7.0. Enzyme activity was reduced by 94.4% and 95.7% in the presence of 5 mM Ca2+ and Fe2+, respectively. It is interesting that Bt_3294 specifically hydrolyzed shorter α-galactosyl oligosaccharides, such as melibiose and raffinose. The D-values of Bt_3294 at 40 °C and 50 °C were about 107 and 6 min, respectively. After immobilization of Bt_3294, the D-values at 40 °C and 50 °C were about 37.6 and 29.7 times higher than those of the free enzyme, respectively. As a practical application, the immobilized Bt_3294 was used to hydrolyze raffinose family oligosaccharides (RFOs) in soy milk, decreasing the RFOs by 98.9%.
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Affiliation(s)
- Yu-Jeong Shin
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Seung-Hye Woo
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Hyun-Mo Jeong
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Ji-Soo Kim
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Dam-Seul Ko
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Da-Woon Jeong
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Jung-Hoon Lee
- Multidisciplinary Genome Institute, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea
| | - Jae-Hoon Shim
- Department of Food Science and Nutrition, The Korean Institute of Nutrition, Hallym University, Hallymdaehak-gil 1, Chuncheon, Gwangwon-do 24252, Republic of Korea.
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