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Lim CL, Yang CH, Pan XY, Tsai HY, Chen CY, Chen WL. Different wavelengths of LED irradiation promote secondary metabolite production in Pycnoporus sanguineus for antioxidant and immunomodulatory applications. Photochem Photobiol Sci 2024; 23:987-996. [PMID: 38662174 DOI: 10.1007/s43630-024-00569-8] [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] [Received: 11/20/2023] [Accepted: 03/26/2024] [Indexed: 04/26/2024]
Abstract
Pycnoporus sanguineus is a fungus of the phylum Basidiomycota that has many applications in traditional medicine, modern pharmaceuticals, and agricultural industries. Light plays an essential role in the metabolism, growth, and development of fungi. This study evaluated the mycelial growth and antioxidant and anti-inflammatory activities in P. sanguineus fermentation broth (PFB) cultured under different wavelengths of LED irradiation or in the dark. Compared to the dark cultures, the dry weight of mycelia in red- and yellow-light cultures decreased by 37 and 35% and the yields of pigments increased by 30.92 ± 2.18 mg and 31.75 ± 3.06 mg, respectively. Compared with the dark culture, the DPPH free radical scavenging ability, ABTS+ free radical scavenging capacity, and reducing power of yellow-light cultures increased significantly, and their total phenolic content peaked at 180.0 ± 8.34 μg/mL. However, the reducing power in blue-light cultures was significantly reduced, though the total phenol content did not vary with that of dark cultures. In LPS- and IFN-γ-stimulated RAW 264.7 cells, nitrite release was significantly reduced in the red and yellow light-irradiated PFB compared with the dark culture. In the dark, yellow-, and green-light cultures, TNF-α production in the inflamed RAW 264.7 cells was inhibited by 62, 46, and 14%, respectively. With red-, blue-, and white-light irradiation, TNF-α production was significantly enhanced. Based on these results, we propose that by adjusting the wavelength of the light source during culture, one can effectively modulate the growth, development, and metabolism of P. sanguineus.
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Affiliation(s)
- Chui Li Lim
- Department of Cosmetic Science, Providence University, Taichung, 43301, Taiwan
| | - Chao-Hsun Yang
- Department of Cosmetic Science, Providence University, Taichung, 43301, Taiwan
- Cosmetic Industry Research & Development Center, Providence University, Taichung, 43301, Taiwan
| | - Xin-Yu Pan
- Department of Cosmetic Science, Providence University, Taichung, 43301, Taiwan
| | - Hsiao-Yun Tsai
- Department of Cosmetic Science, Providence University, Taichung, 43301, Taiwan
| | - Cheng-Yu Chen
- Cosmetic Industry Research & Development Center, Providence University, Taichung, 43301, Taiwan
- Xtremes Pure Company, Taipei, 10652, Taiwan
| | - Wei-Lin Chen
- Department of Cosmetic Science, Providence University, Taichung, 43301, Taiwan.
- Cosmetic Industry Research & Development Center, Providence University, Taichung, 43301, Taiwan.
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Valente Junior DT, Genova JL, Kim SW, Saraiva A, Rocha GC. Carbohydrases and Phytase in Poultry and Pig Nutrition: A Review beyond the Nutrients and Energy Matrix. Animals (Basel) 2024; 14:226. [PMID: 38254395 PMCID: PMC10812482 DOI: 10.3390/ani14020226] [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: 12/14/2023] [Revised: 01/06/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
This review aimed to clarify the mechanisms through which exogenous enzymes (carbohydrases and phytase) influence intestinal health, as well as their effects on the nutrients and energy matrix in diets fed to poultry and pigs reared under sanitary challenging conditions. Enzyme supplementation can positively affect intestinal microbiota, immune system, and enhance antioxidant status. Although enzymes have been shown to save energy and nutrients, their responses under sanitary challenging conditions are poorly documented. Immune system activation alters nutrient partitioning, which can affect the matrix values for exogenous enzymes on commercial farms. Notably, the carbohydrases and phytase supplementation under sanitary challenging conditions align with energy and nutritional valorization matrices. Studies conducted under commercial conditions have shown that matrices containing carbohydrases and phytase can maintain growth performance and health in poultry and pigs. However, these studies have predominantly focused on assessing a single level of reduction in energy and/or available phosphorus and total calcium, limiting our ability to quantify potential energy and nutrient savings in the diet. Future research should delve deeper into determining the extent of energy and nutrient savings and understanding the effects of alone or blended enzymes supplementation to achieve more specific insights.
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Affiliation(s)
- Dante Teixeira Valente Junior
- Muscle Biology and Nutrigenomics Laboratory, Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil; (D.T.V.J.); (J.L.G.); (A.S.)
| | - Jansller Luiz Genova
- Muscle Biology and Nutrigenomics Laboratory, Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil; (D.T.V.J.); (J.L.G.); (A.S.)
| | - Sung Woo Kim
- Department of Animal Science, North Carolina State University, Raleigh, NC 27695, USA;
| | - Alysson Saraiva
- Muscle Biology and Nutrigenomics Laboratory, Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil; (D.T.V.J.); (J.L.G.); (A.S.)
| | - Gabriel Cipriano Rocha
- Muscle Biology and Nutrigenomics Laboratory, Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil; (D.T.V.J.); (J.L.G.); (A.S.)
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Liang X, Li X, Sun S, Zhang H, Wang B, Xu F, Zhang Y, Liu Z. Effects and potential mechanisms of Saposhnikovia divaricata (Turcz.) Schischk. On type I allergy and pseudoallergic reactions in vitro and in vivo. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116942. [PMID: 37487961 DOI: 10.1016/j.jep.2023.116942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/29/2023] [Accepted: 07/19/2023] [Indexed: 07/26/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The incidence of allergic disease is constantly increasing, but its pathogenesis is not fully understood. Saposhnikovia divaricata (SD), called 'Fangfeng' in China, not only can be used for antipyretic, analgesic and anti-inflammatory as a traditional Chinese medicine, but also as an active ingredient in about 8% prescriptions. However, its effects on type I allergy and pseudoallergy have not been clarified. AIM OF THE STUDY To explore the treatment and potential mechanisms of SD and its major bioactive component Prim-O-glucosylcimifugin (POG) on type I allergy and pseudoallergy in vitro and in vivo. MATERIALS AND METHODS The inhibitory effect of SD decoction and POG on type I allergy and its possible mechanism were evaluated by using RBL-2H3 cells model in vitro and the passive cutaneous anaphylaxis (PCA) mouse model in vivo. The cell degranulation of RBL-2H3 cells induced by DNP-IgE/DNP-BSA and Compound 48/80 (C48/80) was investigated, and the molecules of degranulation related signaling pathway was further detected by qRT-PCR and Western Blot analysis. Meanwhile, therapeutic effect of SD Decoction and POG were evaluated using PCA models in vivo. The molecular docking technology was conducted to explore the potential mechanisms. RESULTS In cells model induced by DNP-IgE/DNP-BSA, the release rate of β-Hex in high dose of SD and POG groups were 43.79% and 57.01%, and the release amount of HA in high dose of SD and POG groups were 26.19 ng/mL and 24.20 ng/mL. They were significantly lower than that in the model group. Besides, SD decoction and POG could significantly inhibit intracellular Ca2+ increasing and cell apoptosis. But there is no obvious effect on cells degranulation induced by C48/80. The molecular docking results showed that 5-O-Methylvisamioside and POG could bind with FcεRI α with stronger binding ability, but weak binding ability to Mrgprx2. Moreover, qPCR and Western blot analyses indicated that SD could down-regulate Lyn/Syk/PLCγ, MAPK and PI3K/AKT/NF-κB signal pathway to inhibit IgE-dependent cell degranulation. In mice PCA model, both SD and POG could dose-dependently attenuate the Evans Blue extravasation, paw and ear swelling induced by DNP-IgE/DNP-BSA, but no significant inhibition under the PCA models induced by C48/80. CONCLUSION In conclusion, SD is effective for the therapeutic of type I allergies, suggesting that SD is a potential candidate for the treatment of type I allergy, and the underlying mechanism of these effects needs to be further studied.
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Affiliation(s)
- Xiangyu Liang
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
| | - Xiangsheng Li
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
| | - Shusen Sun
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
| | - Han Zhang
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
| | - Bikun Wang
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
| | - Feng Xu
- Hebei Zhitong Biopharmaceutical Co., Ltd, Baoding, China.
| | - Yanfen Zhang
- Technology Transfer Center, Hebei University, Baoding, China.
| | - Zhongcheng Liu
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, China.
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Rana M, Jassal S, Yadav R, Sharma A, Puri N, Mazumder K, Gupta N. Functional β-mannooligosaccharides: Sources, enzymatic production and application as prebiotics. Crit Rev Food Sci Nutr 2023:1-18. [PMID: 37335120 DOI: 10.1080/10408398.2023.2222165] [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] [Indexed: 06/21/2023]
Abstract
One of the emerging non-digestible oligosaccharide prebiotics is β-mannooligosaccharides (β-MOS). β-MOS are β-mannan derived oligosaccharides, they are selectively fermented by gut microbiota, promoting the growth of beneficial microorganisms (probiotics), whereas the growth of enteric pathogens remains unaffected or gets inhibited in their presence, along with production of metabolites such as short-chain fatty acids. β-MOS also exhibit several other bioactive properties and health-promoting effects. Production of β-MOS using the enzymes such as β-mannanases is the most effective and eco-friendly approach. For the application of β-MOS on a large scale, their production needs to be standardized using low-cost substrates, efficient enzymes and optimization of the production conditions. Moreover, for their application, detailed in-vivo and clinical studies are required. For this, a thorough information of various studies in this regard is needed. The current review provides a comprehensive account of the enzymatic production of β-MOS along with an evaluation of their prebiotic and other bioactive properties. Their characterization, structural-functional relationship and in-vivo studies have also been summarized. Research gaps and future prospects have also been discussed, which will help in conducting further research for the commercialization of β-MOS as prebiotics, functional food ingredients and therapeutic agents.
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Affiliation(s)
- Monika Rana
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Sunena Jassal
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Richa Yadav
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Anupama Sharma
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Neena Puri
- Department of Industrial Microbiology, Guru Nanak Khalsa College, Yamunanagar, Haryana, India
| | - Koushik Mazumder
- Food & Nutritional Biotechnology, National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | - Naveen Gupta
- Department of Microbiology, Panjab University, Chandigarh, India
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Jalili M, Meftahizade H, Golafshan A, Zamani E, Zamani M, Behzadi Moghaddam N, Ghorbanpour M. Green synthesized guar plant composites for wastewater remediation: a comprehensive review. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04758-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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Li X, Li H, Wang T, Zhao Y, Shao Y, Sun Y, Zhang Y, Liu Z. Network pharmacology-based analysis of the mechanism of Saposhnikovia divaricata for the treatment of type I allergy. PHARMACEUTICAL BIOLOGY 2022; 60:1224-1236. [PMID: 35760567 PMCID: PMC9246231 DOI: 10.1080/13880209.2022.2086583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/11/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
CONTEXT Saposhnikovia divaricata (Turcz.) Schischk (Apiaceae) (SD) has various pharmacological activities, but its effects on type I allergy (TIA) have not been comprehensively studied. OBJECTIVE This study evaluates the treatment and molecular mechanisms of SD against TIA. MATERIALS AND METHODS The effective components and action targets of SD were screened using TCMSP database, and allergy-related targets of SD were predicted using GeneCards and OMIM database. The obtained target intersections were imported into David database for GO analysis, and used R software to perform KEGG analysis. The RBL-2H3 cells sensitised by DNP-IgE/DNP-BSA were treated with different concentrations of SD (root decoction, 0.5, 1, and 2 mg/mL), prim-O-glucosylcimifugin (POG, 10, 40, and 80 μg/mL) and the positive control drug-ketotifen fumarate (KF, 30 μM) for 12 h, then subjected to cell degranulation and qPCR analysis. RESULTS Eighteen active compounds of SD and 38 intersection targets were obtained: TIA-related signal pathways mainly include calcium signal pathway, PI3K-Akt signal pathway and MAPK signal pathway. Taking the β-Hex release rate of the model group as the base, the release rate of SD and POG in high dose groups were 43.79% and 57.01%, respectively, which were significantly lower than model group (p < 0.01), and significantly lower than KF group (63.83%, p < 0.01, p < 0.05). SD and POG could down-regulate the expression of related proteins in the Lyn/Syk, PI3K/AKT and MAPK signalling pathways. DISCUSSION AND CONCLUSION Saposhnikovia divaricata could inhibit IgE-induced degranulation of mast cells, providing a scientific basis for further research and clinical applications of SD in TIA treatment.
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Affiliation(s)
- Xiangsheng Li
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Hui Li
- Department of Urology, Peking University International Hospital, Beijing, China
| | - Tingting Wang
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Yang Zhao
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Yuxin Shao
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Yizhao Sun
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Yanfen Zhang
- Technology Transfer Center, Hebei University, Baoding, China
| | - Zhongcheng Liu
- College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, China
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Kiarie EG, Steelman S, Martinez M. Does supplementing β-mannanase modulate the feed-induced immune response and gastrointestinal ecology in poultry and pigs? An appraisal. FRONTIERS IN ANIMAL SCIENCE 2022. [DOI: 10.3389/fanim.2022.875095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The provision of adequate and balanced nutrients is critical for efficient and profitable animal protein production. However, non-nutritive components in feedstuffs can elicit responses that can negatively impact nutrient utilization efficiency. For example, dietary β-mannans are recognizable by cell surface mannose receptors are pivotal for diverse cellular functions. This review will evaluate the physiological implications of dietary native β-mannans, the utility of supplemental feed β-mannanase in hydrolyzing β-mannans, and subsequent metabolic responses. Dietary native β-mannans have been implicated in inadvertent stimulation of immune response through a phenomenon called the feed-induced immune response (FIIR), that has been associated with intestinal inflammation and depression in animal performance. Supplemental β-mannanase blunted the FIIR by hydrolyzing native β-mannans to smaller fragments with a reduced ability to stimulate the innate immune system as indicated by the modulation of oxidative stress, mucosal permeability, and blood concentration of acute phase proteins and immunoglobulins in broilers and piglet models. Moreover, β-mannanase hydrolysis of native β-mannans to mannooligosaccharides (MOS) impacted gastrointestinal microbial ecology. Indeed, β-mannanase-derived MOS reduced the concentration of pathogenic bacteria such as Escherichia coli and Salmonella and increased the production of short-chain fatty acids in gastrointestinal tracts of various animal models. Consequently, by hydrolyzing native β-mannans, supplemental β-mannanase may have nutritional, metabolic, and microbial ecology benefits. In summary, integrating multi-functional feed additives such as β-mannanase into feeding programs for monogastric animals will be critical for efficient and sustainable animal protein production in the context of evolving challenges such as the mandated elimination of use of antibiotics for growth promotion.
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Lin CY, Chen WL, Huang YC, Lim CL, Yang CH. Gum Arabic in combination with IFN-γ promotes the M1 polarization in macrophage. Int J Biol Macromol 2022; 209:506-512. [PMID: 35398387 DOI: 10.1016/j.ijbiomac.2022.04.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 11/25/2022]
Abstract
Gum Arabic, a mixture of polysaccharide and glycoprotein, is used as an emulsifying stabilizer in the food industry. It might have immunomodulatory effects. We hypothesized that the combination of IFN-γ and Gum Arabic promotes the production of pro-inflammatory factors in RAW 264.7 cells. Treatment of RAW 264.7 cells with the combination of 3% Gum Arabic and 40 ng/mL IFN-γ resulted in a drastic increase (320%) in nitric oxide production compared with that induced by IFN-γ alone. PGE-2 was produced after the cells were treated with 3% Gum Arabic and 40 ng/mL IFN-γ for 6 h. Gum Arabic and IFN-γ increased the production of iNOS and COX-2 proteins, and triggered TNF-α release. Apart from TNF-α, the release of both G-CSF and IL-6 increased by more than 100 times. The release of IL-3, RANTES, and IL-10 increased by more than ten times. Gum Arabic and IFN-γ also increased the secretion of IL-10, IL-1α, IL-1β, IL-13, KC, IL-5, IL-4, IL-12, Eotaxin, IL-9, MCP-1, and ROS. Cytokines associated with M1 polarization of macrophages such as TNF-α, IL-1β, IL-12, NO, and ROS were induced by Gum Arabic and IFN-γ. Our findings help to explore the inflammatory reaction caused by Gum Arabic in cosmetics.
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Affiliation(s)
- Chia-Yu Lin
- Department of Cosmetic Science, Providence University, Taichung 43301, Taiwan
| | - Wei-Lin Chen
- Department of Cosmetic Science, Providence University, Taichung 43301, Taiwan; Cosmetic Industry Research & Development Center, Providence University, 43301, Taiwan
| | - Yu-Chun Huang
- Department of Cosmetic Science, Providence University, Taichung 43301, Taiwan; Cosmetic Industry Research & Development Center, Providence University, 43301, Taiwan
| | - Chui Li Lim
- Department of Cosmetic Science, Providence University, Taichung 43301, Taiwan
| | - Chao-Hsun Yang
- Department of Cosmetic Science, Providence University, Taichung 43301, Taiwan; Cosmetic Industry Research & Development Center, Providence University, 43301, Taiwan.
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Erkan SB, Ozcan A, Yilmazer C, Gurler HN, Karahalil E, Germec M, Yatmaz E, Kucukcetin A, Turhan I. The effects of mannanase activity on viscosity in different gums. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.14820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Selime Benemir Erkan
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Ali Ozcan
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Cansu Yilmazer
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Hilal Nur Gurler
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Ercan Karahalil
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Mustafa Germec
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Ercan Yatmaz
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
- Göynük Culinary Arts Vocational School Akdeniz University Antalya Turkey
| | - Ahmet Kucukcetin
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
| | - Irfan Turhan
- Faculty of Engineering Department of Food Engineering Akdeniz University Antalya Turkey
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Abstract
Galactomannans are versatile macromolecules with broad industrial potential. The influence of changes in the chemical structures and respective bioactivities of these polysaccharides have been extensively studied. The derivatives obtained by sulfation, complexation, and phosphorylation are the most studied biological properties in galactomannans. The derivatives obtained have shown several pharmacological activities such as antiviral, antimicrobial, anticoagulant, fibrinolytic, chemopreventive, anticancer, antioxidant, chondroprotective, analgesic, immunomodulatory, and antileishmanial. Considering the relevance of these studies, we aim to provide an overview of studies that apply galactomannan modification or derivatization strategies to improve their properties for applications in the biomedical area. We identified the success of most modified galactomannans for pharmacological purposes. However, some studies found loss of bioactivity of the original polysaccharide after chemical changes to its original structures.
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Jana UK, Suryawanshi RK, Prajapati BP, Kango N. Prebiotic mannooligosaccharides: Synthesis, characterization and bioactive properties. Food Chem 2020; 342:128328. [PMID: 33257024 DOI: 10.1016/j.foodchem.2020.128328] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 08/08/2020] [Accepted: 10/05/2020] [Indexed: 12/13/2022]
Abstract
Functional oligosaccharides are non-digestible food ingredients that confer numerous health benefits. Among these, mannooligosaccharides (MOS) are emerging prebiotics that have characteristic potential bio-active properties. Microbial mannanases can be used to break down mannan rich agro-residues to yield MOS. Various applications of MOS as health promoting functional food ingredient may open up newer opportunities in food and feed industry. Enzymatic hydrolysis is the widely preferred method over chemical hydrolysis for MOS production. Presently, commercial MOS is being derived from yeast cell wall mannan and is widely used as prebiotic in feed supplements for poultry and aquaculture. Apart from stimulating the growth of probiotic microflora, MOS impart anticancer and immunomodulatory effects by inducing different gene markers in colon cells. This review summarizes recent developments and future prospects of enzymatic synthesis of MOS from various mannans, their structural characteristics and their potential health benefits.
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Affiliation(s)
- Uttam Kumar Jana
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470003, India.
| | - Rahul Kumar Suryawanshi
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470003, India.
| | - Bhanu Pratap Prajapati
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470003, India.
| | - Naveen Kango
- Department of Microbiology, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470003, India.
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Chen X, Wang X, Liu Y, Zhang R, Zhang L, Zhan R, Wang S, Wang K. Biochemical analyses of a novel thermostable GH5 endo β-1,4-mannanase with minor β-1,4-glucosidic cleavage activity from Bacillus sp. KW1 and its synergism with a commercial α-galactosidase on galactomannan hydrolysis. Int J Biol Macromol 2020; 166:778-788. [PMID: 33144255 DOI: 10.1016/j.ijbiomac.2020.10.235] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 10/07/2020] [Accepted: 10/30/2020] [Indexed: 11/17/2022]
Abstract
A novel GH5 endo-1,4-β-mannanase (BaMan5A) was identified from Bacillus sp. KW1, it shares the highest sequence identity (86%) with another characterized Bacillus endo-1,4-β-mannanase. The recombinant BaMan5A displayed maximum activity at pH 7.0 and 70 °C, it was stable at a broad pH range (pH 3.5-11.0) after 12-h incubation at 25 °C, and exhibited good thermostability, retaining about 100% and 85% activity after incubating at 60 °C for 12 h and 65 °C for 8 h, respectively. The results of polysaccharide hydrolysis revealed that the enzyme can only hydrolyze mannan substrates, including carob galactomannan, konjac glucomannan, 1,4-β-D-mannan, locust bean gum, and guar gum, yielding mannose, mannobiose, mannotriose, and some other oligosaccharides. The best substrate was carob galactomannan, the corresponding specific activity and Km value were 10,886 μmol/min/μmol and 3.31 mg/mL, respectively. Interestingly, BaMan5A was capable to hydrolyze both manno-oligosaccharides and cello-oligosaccharides, including mannotetraose, mannopentaose, mannohexaose, cellopentaose and cellohexaose. Furthermore, BaMan5A acted synergistically with a commercial α-galactosidase (CbAgal) on galactomannan depolymerization, a best synergy degree of 1.58 was achieved after optimizing enzyme ratios. This study not only expands the diversity of Bacillus GH5 β-mannanase, but also discloses the potential of BaMan5A in industrial application.
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Affiliation(s)
- Xi Chen
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China
| | - Xinhai Wang
- Department of General Surgery, Huashan Hospital of Fudan University, Shanghai, PR China
| | - Yun Liu
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China
| | - Ruiqin Zhang
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China
| | - Liang Zhang
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China
| | - Ruoting Zhan
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China
| | - Sidi Wang
- College of Fundamental Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, PR China
| | - Kui Wang
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou, PR China; Key Laboratory of Chinese Medicinal Resource from Lingnan (Guangzhou University of Chinese Medicine), Ministry of Education, Guangzhou, PR China; Joint Laboratory of National Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, PR China.
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