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Article ; Online: Allergenicity of wheat protein in diet: Mechanisms, modifications and challenges

Liu, Ming / Huang, Jihong / Ma, Sen / Yu, Guanghai / Liao, Aimei / Pan, Long / Hou, Yinchen

Food Research International. 2023 July, v. 169 p.112913-

2023

Abstract: Wheat is widely available in people's daily diets. However, some people are currently experiencing IgE-mediated allergic reactions to wheat-based foods, which seriously impact their quality of life. Thus, it is imperative to provide comprehensive ... ...

Abstract	Wheat is widely available in people's daily diets. However, some people are currently experiencing IgE-mediated allergic reactions to wheat-based foods, which seriously impact their quality of life. Thus, it is imperative to provide comprehensive knowledge and effective methods to reduce the risk of wheat allergy (WA) in food. In the present review, recent advances in WA symptoms, the major allergens, detection methods, opportunities and challenges in establishing animal models of WA are summarized and discussed. Furthermore, an updated overview of the different modification methods that are currently being applied to wheat-based foods is provided. This study concludes that future approaches to food allergen detection will focus on combining multiple tools to rapidly and accurately quantify individual allergens in complex food matrices. Besides, biological modification has many advantages over physical or chemical modification methods in the development of hypoallergenic wheat products, such as enzymatic hydrolysis and fermentation. It is worth noting that using biotechnology to edit wheat allergen genes to produce allergen-free food may be a promising method in the future which could improve the safety of wheat foods and the health of allergy sufferers.
Keywords	allergenicity ; animals ; biotechnology ; enzymatic hydrolysis ; fermentation ; food allergens ; food research ; people ; quality of life ; risk reduction ; wheat ; wheat allergy ; wheat protein ; IgE-mediated ; Allergens ; Biological modification
Language	English
Dates of publication	2023-07
Publishing place	Elsevier Ltd
Document type	Article ; Online
ZDB-ID	1111695-x
ISSN	1873-7145 ; 0963-9969
ISSN (online)	1873-7145
ISSN	0963-9969
DOI	10.1016/j.foodres.2023.112913
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Chitosan improves storage stability of wheat-embryo globulin.

Chen, Wenjing / Hou, Yinchen / Liao, Aimei / Huang, Jihong / Zhao, Penghui

International journal of biological macromolecules

2022 Volume 199, Page(s) 287–297

Abstract: Wheat-embryo globulin (WEG) has been shown to confer health benefits, however, it often forms aggregates during industrial production, which decrease its quality and efficacy. In this study, electrostatic interaction between chitosan (CS) and the protein ...

Abstract	Wheat-embryo globulin (WEG) has been shown to confer health benefits, however, it often forms aggregates during industrial production, which decrease its quality and efficacy. In this study, electrostatic interaction between chitosan (CS) and the protein was used to stabilize WEG. Initially, it was observed that the solubility of WEG was lowest in the pH range of 4-5, and its isoelectric point was 4.70. Next, the optimal preparation conditions for CS-WEG complex were pH of 5.903, combination ratio of 1.05, and ionic strength of 77.070 mM. Finally, characterization of the zeta-potential, particle size, rheological properties and fluorescence microscopy of the composite, it was found that addition of CS significantly increased the zeta potential, reduced poly dispersity index, and reduced the particle size to a certain extent. Moreover, addition of CS caused shear thinning and increased viscosity of the complex, but decreased the dispersion stability over time. In summary, these results revealed that CS mainly increased the apparent viscosity and the electrostatic interaction of WEG to improve the dispersion stability when it slowly polymerized with WEG. This study provides important ideas for improving industrialized production of WEG.
MeSH term(s)	Chitosan/chemistry ; Globulins ; Nanoparticles/chemistry ; Particle Size ; Triticum ; Viscosity
Chemical Substances	Globulins ; Chitosan (9012-76-4)
Language	English
Publishing date	2022-01-10
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	282732-3
ISSN	1879-0003 ; 0141-8130
ISSN (online)	1879-0003
ISSN	0141-8130
DOI	10.1016/j.ijbiomac.2022.01.005
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Allergenicity of wheat protein in diet: Mechanisms, modifications and challenges.

Liu, Ming / Huang, Jihong / Ma, Sen / Yu, Guanghai / Liao, Aimei / Pan, Long / Hou, Yinchen

Food research international (Ottawa, Ont.)

2023 Volume 169, Page(s) 112913

Abstract	Wheat is widely available in people's daily diets. However, some people are currently experiencing IgE-mediated allergic reactions to wheat-based foods, which seriously impact their quality of life. Thus, it is imperative to provide comprehensive knowledge and effective methods to reduce the risk of wheat allergy (WA) in food. In the present review, recent advances in WA symptoms, the major allergens, detection methods, opportunities and challenges in establishing animal models of WA are summarized and discussed. Furthermore, an updated overview of the different modification methods that are currently being applied to wheat-based foods is provided. This study concludes that future approaches to food allergen detection will focus on combining multiple tools to rapidly and accurately quantify individual allergens in complex food matrices. Besides, biological modification has many advantages over physical or chemical modification methods in the development of hypoallergenic wheat products, such as enzymatic hydrolysis and fermentation. It is worth noting that using biotechnology to edit wheat allergen genes to produce allergen-free food may be a promising method in the future which could improve the safety of wheat foods and the health of allergy sufferers.
MeSH term(s)	Animals ; Allergens ; Quality of Life ; Proteins ; Food Hypersensitivity/prevention & control ; Wheat Hypersensitivity ; Diet
Chemical Substances	Allergens ; Proteins
Language	English
Publishing date	2023-05-01
Publishing country	Canada
Document type	Journal Article ; Review ; Research Support, Non-U.S. Gov't
ZDB-ID	1111695-x
ISSN	1873-7145 ; 0963-9969
ISSN (online)	1873-7145
ISSN	0963-9969
DOI	10.1016/j.foodres.2023.112913
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Fermented Wheat Germ Alleviates Depression-like Behavior in Rats with Chronic and Unpredictable Mild Stress

Hu, Zheyuan / Zhao, Penghui / Liao, Aimei / Pan, Long / Zhang, Jie / Dong, Yuqi / Huang, Jihong / He, Weiwei / Ou, Xingqi

Foods. 2023 Feb. 22, v. 12, no. 5

2023

Abstract: Depression is a chronic mental illness with devastating effects on a person’s physical and mental health. Studies have reported that food fermentation with probiotics can enrich the nutritional values of food and produce functional microorganisms that ... ...

Abstract	Depression is a chronic mental illness with devastating effects on a person’s physical and mental health. Studies have reported that food fermentation with probiotics can enrich the nutritional values of food and produce functional microorganisms that can alleviate depression and anxiety. Wheat germ is an inexpensive raw material that is rich in bioactive ingredients. For example, gamma-aminobutyric acid (GABA) is reported to have antidepressant effects. Several studies concluded that Lactobacillus plantarum is a GABA-producing bacteria and can alleviate depression. Herein, fermented wheat germs (FWGs) were used to treat stress-induced depression. FWG was prepared by fermenting wheat germs with Lactobacillus plantarum. The chronic unpredictable mild stress (CUMS) model was established in rats, and these rats were treated with FWG for four weeks to evaluate the effects of FWG in relieving depression. In addition, the study also analyzed the potential anti-depressive mechanism of FWG based on behavioral changes, physiological and biochemical index changes, and intestinal flora changes in depressed rats. The results demonstrated that FWG improved depression-like behaviors and increased neurotransmitter levels in the hippocampus of CUMS model rats. In addition, FWG effectively altered the gut microbiota structure and remodeled the gut microbiota in CUMS rats, restored neurotransmitter levels in depressed rats through the brain–gut axis, and restored amino acid metabolic functions. In conclusion, we suggest that FWG has antidepressant effects, and its potential mechanism may act by restoring the disordered brain–gut axis.
Keywords	Lactobacillus plantarum ; antidepressants ; anxiety ; behavior disorders ; fermentation ; gamma-aminobutyric acid ; hippocampus ; intestinal microorganisms ; mental health ; models ; neurotransmitters ; probiotics ; raw materials ; wheat ; wheat germ
Language	English
Dates of publication	2023-0222
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2704223-6
ISSN	2304-8158
ISSN	2304-8158
DOI	10.3390/foods12050920
Database	NAL-Catalogue (AGRICOLA)

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Article: Avilamycin production enhancement by mutagenesis and fermentation optimization in Streptomyces viridochromogenes

Yu, Guanghai / Peng, Haifen / Cao, Jian / Liao, Aimei / Long, Pan / Huang, Jihong / Hui, Ming

World journal of microbiology & biotechnology. 2022 Mar., v. 38, no. 3

2022

Abstract: Avilamycin, an excellent growth-promoting feed additive, produced by Streptomyces viridochromogenes, was widely used to promote the growth of poultry by inhibiting Gram-positive bacteria. In this work, the methods of combinational mutagenesis of UV ( ... ...

Abstract	Avilamycin, an excellent growth-promoting feed additive, produced by Streptomyces viridochromogenes, was widely used to promote the growth of poultry by inhibiting Gram-positive bacteria. In this work, the methods of combinational mutagenesis of UV (Ultraviolet) and ARTP (Atmospheric and room temperature plasma), and rational screening by high concentrations of CaCl₂ were utilized to promote the production of avilamycin. The avilamycin high-yielding mutant strains of Z-6 (29.31 mg/L), A-9 (36.84 mg/L) and F-23 (45.73 mg/L) were screened out, with yields of avilamycin improved by 57.92%, 98.49% and 146.39%, respectively, compared with the wild strain (WT). The performance comparison showed that Z-6, A-9 and F-23 mutant strains had stronger abilities of substrate consumption, cell growth and antibiotic synthesis than WT. Furthermore, the composition of fermentation medium, inoculation parameters, supplementation strategies of oxygen vectors, glucose and precursors (L-valine, D-xylose and sodium acetate) had been optimized and the avilamycin yield of the mutant strain F-23 was significantly enhanced by 41.87% by fermentation optimization. In summary, the strategy of increasing the production of avilamycin in S. viridochromogenes in this work might provide an alternative method to enhance the synthesis of secondary metabolites in other Streptomyces.
Keywords	Streptomyces viridochromogenes ; ambient temperature ; antibiotics ; biotechnology ; cell growth ; feed additives ; fermentation ; glucose ; mutagenesis ; mutants ; oxygen ; poultry ; secondary metabolites ; sodium acetate ; valine ; xylose
Language	English
Dates of publication	2022-03
Size	p. 50.
Publishing place	Springer Netherlands
Document type	Article
ZDB-ID	1499109-3
ISSN	1573-0972 ; 0959-3993
ISSN (online)	1573-0972
ISSN	0959-3993
DOI	10.1007/s11274-021-03191-3
Database	NAL-Catalogue (AGRICOLA)

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Article: Chitosan improves storage stability of wheat-embryo globulin

Chen, Wenjing / Hou, Yinchen / Liao, Aimei / Huang, Jihong / Zhao, Penghui

International journal of biological macromolecules. 2022 Feb. 28, v. 199

2022

Abstract	Wheat-embryo globulin (WEG) has been shown to confer health benefits, however, it often forms aggregates during industrial production, which decrease its quality and efficacy. In this study, electrostatic interaction between chitosan (CS) and the protein was used to stabilize WEG. Initially, it was observed that the solubility of WEG was lowest in the pH range of 4–5, and its isoelectric point was 4.70. Next, the optimal preparation conditions for CS-WEG complex were pH of 5.903, combination ratio of 1.05, and ionic strength of 77.070 mM. Finally, characterization of the zeta-potential, particle size, rheological properties and fluorescence microscopy of the composite, it was found that addition of CS significantly increased the zeta potential, reduced poly dispersity index, and reduced the particle size to a certain extent. Moreover, addition of CS caused shear thinning and increased viscosity of the complex, but decreased the dispersion stability over time. In summary, these results revealed that CS mainly increased the apparent viscosity and the electrostatic interaction of WEG to improve the dispersion stability when it slowly polymerized with WEG. This study provides important ideas for improving industrialized production of WEG.
Keywords	chitosan ; electrostatic interactions ; fluorescence microscopy ; globulins ; industrialization ; ionic strength ; isoelectric point ; pH ; particle size ; solubility ; storage quality ; viscosity ; zeta potential
Language	English
Dates of publication	2022-0228
Size	p. 287-297.
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	282732-3
ISSN	1879-0003 ; 0141-8130
ISSN (online)	1879-0003
ISSN	0141-8130
DOI	10.1016/j.ijbiomac.2022.01.005
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Avilamycin production enhancement by mutagenesis and fermentation optimization in Streptomyces viridochromogenes.

Yu, Guanghai / Peng, Haifen / Cao, Jian / Liao, Aimei / Long, Pan / Huang, Jihong / Hui, Ming

World journal of microbiology & biotechnology

2022 Volume 38, Issue 3, Page(s) 50

Abstract	Avilamycin, an excellent growth-promoting feed additive, produced by Streptomyces viridochromogenes, was widely used to promote the growth of poultry by inhibiting Gram-positive bacteria. In this work, the methods of combinational mutagenesis of UV (Ultraviolet) and ARTP (Atmospheric and room temperature plasma), and rational screening by high concentrations of CaCl
MeSH term(s)	Anti-Bacterial Agents/metabolism ; Bacteriological Techniques ; Fermentation ; Gene Expression Regulation, Bacterial/physiology ; Mutagenesis ; Oligosaccharides/metabolism ; Streptomyces/genetics ; Streptomyces/metabolism
Chemical Substances	Anti-Bacterial Agents ; Oligosaccharides ; avilamycin (720WDX56D3)
Language	English
Publishing date	2022-01-31
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1499109-3
ISSN	1573-0972 ; 0959-3993
ISSN (online)	1573-0972
ISSN	0959-3993
DOI	10.1007/s11274-021-03191-3
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Fermented Wheat Germ Alleviates Depression-like Behavior in Rats with Chronic and Unpredictable Mild Stress.

Hu, Zheyuan / Zhao, Penghui / Liao, Aimei / Pan, Long / Zhang, Jie / Dong, Yuqi / Huang, Jihong / He, Weiwei / Ou, Xingqi

Foods (Basel, Switzerland)

2023 Volume 12, Issue 5

Abstract: Depression is a chronic mental illness with devastating effects on a person's physical and mental health. Studies have reported that food fermentation with probiotics can enrich the nutritional values of food and produce functional microorganisms that ... ...

Abstract	Depression is a chronic mental illness with devastating effects on a person's physical and mental health. Studies have reported that food fermentation with probiotics can enrich the nutritional values of food and produce functional microorganisms that can alleviate depression and anxiety. Wheat germ is an inexpensive raw material that is rich in bioactive ingredients. For example, gamma-aminobutyric acid (GABA) is reported to have antidepressant effects. Several studies concluded that
Language	English
Publishing date	2023-02-22
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704223-6
ISSN	2304-8158
ISSN	2304-8158
DOI	10.3390/foods12050920
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A Comparative Study of Resistant Dextrins and Resistant Maltodextrins from Different Tuber Crop Starches.

Chen, Xinyang / Hou, Yinchen / Wang, Zhen / Liao, Aimei / Pan, Long / Zhang, Mingyi / Xue, Yingchun / Wang, Jingjing / Liu, Yingying / Huang, Jihong

Polymers

2023 Volume 15, Issue 23

Abstract: The anti-digestibility of resistant dextrin (RD) and resistant maltodextrin (RMD) is usually significantly affected by processing techniques, reaction conditions, and starch sources. The objective of this investigation is to elucidate the similarities ... ...

Abstract	The anti-digestibility of resistant dextrin (RD) and resistant maltodextrin (RMD) is usually significantly affected by processing techniques, reaction conditions, and starch sources. The objective of this investigation is to elucidate the similarities and differences in the anti-digestive properties of RD and RMD prepared from three different tuber crop starches, namely, potato, cassava, and sweet potato, and to reveal the associated mechanisms. The results show that all RMDs have a microstructure characterized by irregular fragmentation and porous surfaces, no longer maintaining the original crystalline structure of starches. Conversely, RDs preserve the structural morphology of starches, featuring rough surfaces and similar crystalline structures. RDs exhibite hydrolysis rates of approximately 40%, whereas RMDs displaye rates lower than 8%. This disparity can be attributed to the reduction of α-1,4 and α-1,6 bonds and the development of a highly branched spatial structure in RMDs. The indigestible components of the three types of RDs range from 34% to 37%, whereas RMDs vary from 80% to 85%, with potato resistant maltodextrin displaying the highest content (84.96%,
Language	English
Publishing date	2023-11-27
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym15234545
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Integrated Analysis of Gut Microbiome and Adipose Transcriptome Reveals Beneficial Effects of Resistant Dextrin from Wheat Starch on Insulin Resistance in Kunming Mice.

Chen, Xinyang / Hou, Yinchen / Liao, Aimei / Pan, Long / Yang, Shengru / Liu, Yingying / Wang, Jingjing / Xue, Yingchun / Zhang, Mingyi / Zhu, Zhitong / Huang, Jihong

Biomolecules

2024 Volume 14, Issue 2

Abstract: Systemic chronic inflammation is recognized as a significant contributor to the development of obesity-related insulin resistance. Previous studies have revealed the physiological benefits of resistant dextrin (RD), including obesity reduction, lower ... ...

Abstract	Systemic chronic inflammation is recognized as a significant contributor to the development of obesity-related insulin resistance. Previous studies have revealed the physiological benefits of resistant dextrin (RD), including obesity reduction, lower fasting glucose levels, and anti-inflammation. The present study investigated the effects of RD intervention on insulin resistance (IR) in Kunming mice, expounding the mechanisms through the gut microbiome and transcriptome of white adipose. In this eight-week study, we investigated changes in tissue weight, glucose-lipid metabolism levels, serum inflammation levels, and lesions of epididymal white adipose tissue (eWAT) evaluated via Hematoxylin and Eosin (H&E) staining. Moreover, we analyzed the gut microbiota composition and transcriptome of eWAT to assess the potential protective effects of RD intervention. Compared with a high-fat, high-sugar diet (HFHSD) group, the RD intervention significantly enhanced glucose homeostasis (e.g., AUC-OGTT, HOMA-IR,
MeSH term(s)	Mice ; Animals ; Insulin Resistance ; Transcriptome ; Gastrointestinal Microbiome ; Dextrins/pharmacology ; Triticum/metabolism ; Starch ; Phosphatidylinositol 3-Kinases/metabolism ; Obesity/metabolism ; Inflammation/genetics ; Glucose/pharmacology ; Mice, Inbred C57BL ; Animals, Outbred Strains
Chemical Substances	Dextrins ; Starch (9005-25-8) ; Phosphatidylinositol 3-Kinases (EC 2.7.1.-) ; Glucose (IY9XDZ35W2)
Language	English
Publishing date	2024-02-04
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2701262-1
ISSN	2218-273X ; 2218-273X
ISSN (online)	2218-273X
ISSN	2218-273X
DOI	10.3390/biom14020186
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