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Chen J, Zhou M, Xin G, Bi J. The impact of ultrasonic-assisted extraction on the in vitro hypoglycemic activity of peach gum polysaccharide in relation to its conformational conversion. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:6947-6956. [PMID: 38597282 DOI: 10.1002/jsfa.13527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 03/19/2024] [Accepted: 04/08/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Peach gum (PG) is an exudate of the peach tree (Prunus persica of the Rosaceae family), which consists primarily of polysaccharides with a large molecular weight and branching structure. Consequently, PG can only swell in water and does not dissolve easily, which severely limits its application. Current conventional extraction methods for PG polysaccharide (PGPS) are time consuming and inefficient. This study investigated the impact of ultrasonic-assisted extraction (UAE) on PGPS structure and conformation, and their relationship to hypoglycemic activity in vitro. RESULTS In comparison with conventional aqueous extraction, UAE enhanced PGPS yielded from 28.07-32.83% to 80.37-84.90% (w/w) in 2 h. It drastically decreased the molecular size and conformational parameters of PGPS, including weight-average molecular weight (Mw), number-average molecular weight (Mn), z-average radius of gyration (Rg), hydrodynamic radius (Rh) and instrinsic viscosity ([η]) values. Peach gum polysaccharide conformation converted extended molecules to flexible random coil chains or compact spheres with no obvious primary structure alteration. Furthermore, UAE altered the flow behavior of PGPS solution from that of a non-Newtonian fluid to that of a Newtonian fluid. As a result, PGPS treated with UAE displayed weaker inhibitory activity than untreated PGPS, mostly because UAE weakens the binding strength of PGPS to α-glucosidase. However, this negative effect of UAE on PGPS activity was compensated by the increased solubility of polysaccharide. This enabled PGPS to achieve a wider range of doses. CONCLUSION Ultrasonic-assisted extraction is capable of degrading PGPS efficiently while preserving its primary structure, resulting in a Newtonian fluid solution. The degraded PGPS conformations displayed a consistent correlation with their inhibitory effect on α-glucosidase activity. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jiaxin Chen
- College of Food Science, Shenyang Agricultural University, Shenyang, China
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mo Zhou
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guang Xin
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Jinfeng Bi
- College of Food Science, Shenyang Agricultural University, Shenyang, China
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
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2
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Zhang Z, Wang S, Liu Q, Cao G, Liu Y. Extraction, purification, structural characteristics, and pharmacological activities of the polysaccharides from corn silk: A review. Int J Biol Macromol 2024; 274:133433. [PMID: 38936581 DOI: 10.1016/j.ijbiomac.2024.133433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 06/17/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
Corn silk is widely used as a traditional Chinese medicine possessing multiple beneficial effects, whose active ingredient is corn silk polysaccharide (CSP). CSP is abundant in corn silk, and has a variety of bioactivities, such as antioxidant, hypoglycemic, hypolipidemic, hepatorenal-protective, antitumor, anti-fatigue, immunomodulating, and anti-ischemia-reperfusion injury effects. Moreover, CSP ameliorates diabetes, diabetes nephropathy, and hyperlipidemia. This review aimed to comprehensively and systematically summarize recent information on the extraction, purification, structural characterization, biological activity, potential mechanism, and toxicity of CSP. Thus, it could provide a reference for the further use of CSP and discuss the future prospects of CSP research and development.
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Affiliation(s)
- Zhiyuan Zhang
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Shuai Wang
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Qian Liu
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Guiyun Cao
- Shandong Hongjitang Pharmaceutical Group Company, Ltd, Jinan 250109, China
| | - Yuhong Liu
- School of Pharmaceutical Sciences, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
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3
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Fu YL, Shi L. Methods of study on conformation of polysaccharides from natural products: A review. Int J Biol Macromol 2024; 263:130275. [PMID: 38373563 DOI: 10.1016/j.ijbiomac.2024.130275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/21/2024]
Abstract
Polysaccharides from natural products play multiple roles and have extensive bioactivities in life process. Bioactivities of polysaccharides (e.g., Lentinan, Schizophyllan, Scleroglucan, Curdlan, Cinerean) have a close relation to their chain conformation. Compared to other types of polysaccharides, the conformation of β-glucan has been studied more. The major research methods of conformation of polysaccharides from natural products (Congo red experiment, circular dichroism spectrum, viscosity method, light scattering method, size exclusion chromatography, atomic force microscope), corresponding experimental schemes, and the external factors affecting polysaccharide conformation were reviewed in this paper. These research methods of conformation have been widely used, among which Congo red experiment and viscosity method are the most convenient ones to study the morphological changes of polysaccharide chains.
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Affiliation(s)
- You-Li Fu
- Qufu Normal University, Qufu 273165, China
| | - Lei Shi
- Qufu Normal University, Qufu 273165, China; School of Applied Science, Temasek Polytechnic, 529757, Singapore.
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4
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Zhang Y, Li L, Ma X, Liu R, Shi R, Zhao D, Li X. Extraction, purification, structural features, modifications, bioactivities, structure-activity relationships, and applications of polysaccharides from garlic: A review. Int J Biol Macromol 2024; 265:131165. [PMID: 38547941 DOI: 10.1016/j.ijbiomac.2024.131165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/18/2024]
Abstract
Garlic is a common vegetable and spice in people's daily diets, in which garlic polysaccharide (GP) is one of the most important active components with a variety of benefits, such as antioxidant, immune-enhancing, anti-inflammatory, liver-protective and bowel-regulating properties. >20 types of GPs, mainly crude polysaccharides, have been identified. However, the exact chemical composition of GPs or the mechanism underlying their pharmacological activity is still not fully understood. The extraction and purification methods of GPs are compared in this review while providing detailed information on their structural features, identification methods, major biological activities, mechanisms of actions, structural modifications, structure-activity relationships as well as potential applications. Finally, the limitations of GP research and future issues that need to be addressed are discussed in this review. GPs are widely recognized as substances with great potential in the pharmaceutical and food industries. Therefore, this review aims to provide a comprehensive summary of the latest research progresses in the field of GPs, together with scientific insights and a theoretical support for the development of GPs in research and industrialization.
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Affiliation(s)
- Yongwei Zhang
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Garlic Medicinal Uses Key Laboratory of Xinjiang, China
| | - Lanlan Li
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Key Laboratory of High Incidence Disease Research in Xinjiang, Xinjiang Medical University, Ministry of Education, Urumqi 830054, China
| | - Xuehong Ma
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Key Laboratory of High Incidence Disease Research in Xinjiang, Xinjiang Medical University, Ministry of Education, Urumqi 830054, China; Garlic Medicinal Uses Key Laboratory of Xinjiang, China
| | - Ruiting Liu
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Xinjiang Hu Suan Research Institute (Co., LTD), Urumqi 830020, China; Garlic Medicinal Uses Key Laboratory of Xinjiang, China
| | - Rongmei Shi
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Xinjiang Hu Suan Research Institute (Co., LTD), Urumqi 830020, China; Garlic Medicinal Uses Key Laboratory of Xinjiang, China
| | - Dongsheng Zhao
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Xinxia Li
- College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China; Key Laboratory of High Incidence Disease Research in Xinjiang, Xinjiang Medical University, Ministry of Education, Urumqi 830054, China.
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5
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Zhang K, Chen H, Hao Y, Li W, Li Y, Zhang W, Chen Y. Armillariella tabescens polysaccharide treated rats with oral ulcers through modulation of oral microbiota and activation of the Nrf2/HO-1 pathway. Int J Biol Macromol 2024; 261:129697. [PMID: 38272409 DOI: 10.1016/j.ijbiomac.2024.129697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/04/2024] [Accepted: 01/21/2024] [Indexed: 01/27/2024]
Abstract
We identified Armillariella tabescens polysaccharide (PAT-W), a compound isolated from a Chinese medicinal mushroom, as a potential novel oral ulcer (OU) drug. In treating OU rats with PAT-W, especially in the high-dose group, oral mucous tissue TNF-α, IL-1β, and IL-6 levels were markedly reduced, and pathological morphology and oxidative stress were effectively improved. Western blot analysis showed that the PAT-W channel ameliorated OU mucous tissue damage, which depends on the activation of the Nrf2/HO-1 antioxidant signaling pathway. Furthermore, high-throughput sequencing results showed that PAT-W regulated the maladjustment of the oral microbiota caused by OU. Therefore, based on the new viewpoint of activating the Nrf2/HO-1 pathway and regulating oral microbiota, PAT-W is expected to become a new natural drug for treating oral ulcers and improving patients' quality of life.
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Affiliation(s)
- Kunfeng Zhang
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China; Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Hao Chen
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Yunbo Hao
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Wensen Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Yong Li
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Wenna Zhang
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Yan Chen
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life Sciences, Anhui University, Hefei 230601, Anhui, China.
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Cao L, Zhao J, Wang M, Khan IA, Li XC. Rapid preparation and proton NMR fingerprinting of polysaccharides from Radix Astragali. Carbohydr Res 2024; 536:109053. [PMID: 38310807 DOI: 10.1016/j.carres.2024.109053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 01/23/2024] [Accepted: 01/30/2024] [Indexed: 02/06/2024]
Abstract
The purity, content, and structure of the polysaccharides prepared from a specific medicinal plant are the fundamental basis to interpret the observed biological activities. An ultrafiltration-based method has been developed for rapid preparation of total and fractional polysaccharides from Radix Astragali in high yield and purity. This method involves extraction of plant material by hot water, treatment with Sevag reagent, and ultrafiltration using molecular weight cutoff concentrators. The prepared polysaccharides were assessed by 1H NMR spectroscopy, providing general purity, fingerprinting, and structural information. This method may be used to efficiently screen polysaccharides in plants.
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Affiliation(s)
- Liang Cao
- National Center for Natural Products Research, School of Pharmacy, The University of Miscsissippi, University, Mississippi, 38677, USA; Hunan Provincial Key Laboratory of Dong Medicine, Hunan University of Medicine, Huaihua, 418000, PR China
| | - Jianping Zhao
- National Center for Natural Products Research, School of Pharmacy, The University of Miscsissippi, University, Mississippi, 38677, USA
| | - Mei Wang
- National Center for Natural Products Research, School of Pharmacy, The University of Miscsissippi, University, Mississippi, 38677, USA; Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, Mississippi, 38677, USA
| | - Ikhlas A Khan
- National Center for Natural Products Research, School of Pharmacy, The University of Miscsissippi, University, Mississippi, 38677, USA; Department of BioMolecular Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi, 38677, USA
| | - Xing-Cong Li
- National Center for Natural Products Research, School of Pharmacy, The University of Miscsissippi, University, Mississippi, 38677, USA; Department of BioMolecular Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi, 38677, USA.
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7
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Miguel SP, D’Angelo C, Ribeiro MP, Simões R, Coutinho P. Chemical Composition of Macroalgae Polysaccharides from Galician and Portugal Coasts: Seasonal Variations and Biological Properties. Mar Drugs 2023; 21:589. [PMID: 37999413 PMCID: PMC10672017 DOI: 10.3390/md21110589] [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: 10/17/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023] Open
Abstract
Crude polysaccharides extracted from the Codium sp. and Osmundea sp. macroalgae collected in different seasons (winter, spring and summer) from the Galician and North Portugal coasts were characterised, aiming to support their biomedical application to wound healing. An increase in polysaccharides' sulphate content was registered from winter to summer, and higher values were obtained for Osmundea sp. In turn, the monosaccharide composition constantly changed with a decrease in glucose in Osmundea sp. from spring to winter. For Codium sp., a higher increase was noticed regarding glucose content in the Galician and Portugal coasts. Galactose was the major monosaccharide in all the samples, remaining stable in all seasons and collection sites. These results corroborate the sulphate content and antioxidant activity, since the Osmundea sp.-derived polysaccharides collected in summer exhibited higher scavenging radical ability. The biocompatibility and wound scratch assays revealed that the Osmundea sp. polysaccharide extracted from the Portugal coast in summer possessed more potential for promoting fibroblast migration. This study on seasonal variations of polysaccharides, sulphate content, monosaccharide composition and, consequently, biological properties provides practical guidance for determining the optimal season for algae harvest to standardise preparations of polysaccharides for the biomedical field.
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Affiliation(s)
- Sónia P. Miguel
- CPIRN-UDI/IPG, Center for Potential and Innovation of Natural Resources, Polytechnic of Guarda, Av. Dr. Francisco Sá Carneiro, 50, 6300-559 Guarda, Portugal; (S.P.M.); (C.D.); (M.P.R.)
- CICS-UBI, Health Sciences Research Center, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Caíque D’Angelo
- CPIRN-UDI/IPG, Center for Potential and Innovation of Natural Resources, Polytechnic of Guarda, Av. Dr. Francisco Sá Carneiro, 50, 6300-559 Guarda, Portugal; (S.P.M.); (C.D.); (M.P.R.)
| | - Maximiano P. Ribeiro
- CPIRN-UDI/IPG, Center for Potential and Innovation of Natural Resources, Polytechnic of Guarda, Av. Dr. Francisco Sá Carneiro, 50, 6300-559 Guarda, Portugal; (S.P.M.); (C.D.); (M.P.R.)
- CICS-UBI, Health Sciences Research Center, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Rogério Simões
- FibEnTech, Fiber Materials and Envornmental Technologies, University of Beira Interior, R. Marques Avila e Bolama, 6201-001 Covilhã, Portugal;
| | - Paula Coutinho
- CPIRN-UDI/IPG, Center for Potential and Innovation of Natural Resources, Polytechnic of Guarda, Av. Dr. Francisco Sá Carneiro, 50, 6300-559 Guarda, Portugal; (S.P.M.); (C.D.); (M.P.R.)
- CICS-UBI, Health Sciences Research Center, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal
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8
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Chi Y, Jiang Y, Wang Z, Nie X, Luo S. Preparation, structures, and biological functions of rhamnan sulfate from green seaweed of the genus Monostroma: A review. Int J Biol Macromol 2023; 249:125964. [PMID: 37487994 DOI: 10.1016/j.ijbiomac.2023.125964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 06/29/2023] [Accepted: 07/21/2023] [Indexed: 07/26/2023]
Abstract
Rhamnan sulfate, a rhamnose-rich sulfated polysaccharide, is present in the cell walls of green seaweed belonging to the genus Monostroma. This macromolecule demonstrates promising therapeutic properties, including anti-coagulant, thrombolytic, anti-viral, anti-obesity, and anti-inflammatory activities, which hold potential applications in food and medical industries. However, rhamnan sulfate has not garnered as much attention from researchers as other seaweed polysaccharides, including alginate, carrageenan, and fucoidan. This review discusses the extraction and purification techniques of rhamnan sulfate, delves into its chemical structures and related elucidation approaches, and provides an overview of its biological functions. Future research should focus on the structure-activity relationship of rhamnan sulfate and the industrial preparation of rhamnan sulfate with a specific homogeneous structure to facilitate its practical applications.
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Affiliation(s)
- Yongzhou Chi
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu 223003, China.
| | - Yanhui Jiang
- Faculty of Electronic Information Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu 223003, China
| | - Zhaoyu Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu 223003, China
| | - Xiaobao Nie
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu 223003, China
| | - Si Luo
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu 223003, China
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9
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Luo L, Xue J, Shao Z, Zhou Z, Tang W, Liu J, Hu H, Yang F. Recent developments in Salvia miltiorrhiza polysaccharides: Isolation, purification, structural characteristics and biological activities. Front Pharmacol 2023; 14:1139201. [PMID: 36937857 PMCID: PMC10020221 DOI: 10.3389/fphar.2023.1139201] [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: 01/06/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
In recent years, natural polysaccharides have attracted more and more attention and research because of their value in the medicine, beauty and food fields. Salvia miltiorrhiza is a traditional Chinese herb that has been used for thousands of years and has antidiabetic, antifibrotic, neuroprotective, antioxidation, anti-inflammatory and other effects. It mainly includes rosmarinic acid, tanshinone I, tanshinone IIA, tanshinone IIB, procatechualdehyde, polysaccharide and salvianolic acids. Salvia miltiorrhiza polysaccharide is a polysaccharide extracted and isolated from Salvia miltiorrhiza and has diverse biological functions, including antioxidation, anti-tumor, hepatoprotective, anti-inflammatory, immune regulatory and cardioprotective effect. In this review, the extraction, purification, structural characterization and biological activity of SMPs are summarized and new perspectives for the future work of SMPs were also proposed, we hope our research can provide a reference for further research on SMPs.
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Affiliation(s)
- Lei Luo
- Department of Health Management Center, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, China
| | - Juan Xue
- Department of Gastroenterology, Hubei Provincial Hospital of Traditional Chinese and Western Medicine, Wuhan, China
- School of Clinical Medical, Hubei University of Chinese Medicine, Wuhan, China
| | - Zheng Shao
- Department of Health Management Center, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, China
| | - Zhang Zhou
- Department of Anesthesiology, Wuhan Fourth Hospital, Wuhan, China
| | - Wenqian Tang
- Department of Health Management Center, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, China
| | - Jinxin Liu
- School of Clinical Medical, Hubei University of Chinese Medicine, Wuhan, China
| | - Hongfei Hu
- School of Clinical Medical, Hubei University of Chinese Medicine, Wuhan, China
| | - Fan Yang
- Department of Health Management Center, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, China
- *Correspondence: Fan Yang,
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Isolation, Characterization, and Compositional Analysis of Polysaccharides from Pinot Noir Wines: An Exploratory Study. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238330. [PMID: 36500422 PMCID: PMC9738191 DOI: 10.3390/molecules27238330] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022]
Abstract
It has been reported that polysaccharides in wine can interact with tannins and other wine components and modify the sensory properties of the wine. Unfortunately, the contribution of polysaccharides to wine quality is poorly understood, mainly due to their complicated structure and varied composition. In addition, the composition and molecular structure of polysaccharides in different wines can vary greatly. In this study, the polysaccharides were isolated from pinot noir wine, then separated into high-molecular-weight (PNWP-H) and low-molecular-weight (PNWP-L) fractions using membrane-based ultrafiltration. Each polysaccharide fraction was further studied using size exclusion chromatography, UV-Vis, FT-IR, matrix-assisted laser desorption/ionization-high-resolution mass spectrometry, and gas chromatography-mass spectrometry (GC-MS). The results showed that PNWP-L and PNWP-H had different chemical properties and compositions. The FT-IR analysis showed that PNWPs were acidic polysaccharides with α- and β-type glycosidic linkages. PNWP-L and PNWP-H had different α- and β-type glycosidic linkage structures. FT-IR showed stronger antisymmetric and symmetric stretching vibrations of carboxylate anions of uronic acids in PNWP-L, suggesting more uronic acid in PNWP-L. The size exclusion chromatography results showed that over 72% of the PNWP-H fraction had molecular sizes from 25 kDa to 670 kDa. Only a small percentage of smaller molecular polysaccharides was found in the PNWP-H fraction. In comparison, all of the polysaccharides in the PNWP-L fraction were below 25 KDa, with a majority distributed approximately 6 kDa (95.1%). GC-MS sugar composition analysis showed that PNWP-L was mainly composed of galacturonic acid, rhamnose, galactose, and arabinose, while PNWP-H was mainly composed of mannose, arabinose, and galactose. The molecular size distribution and sugar composition analysis suggested that the PNWP-L primarily consisted of rhamnogalacturonans and polysaccharides rich in arabinose and galactose (PRAG). In comparison, PNWP-H were mostly mannoproteins and polysaccharides rich in arabinose and galactose (PRAG). Further research is needed to understand the impacts of these fractions on wine organoleptic properties.
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11
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Dev MJ, Warke RG, Warke GM, Mahajan GB, Patil TA, Singhal RS. Advances in fermentative production, purification, characterization and applications of gellan gum. BIORESOURCE TECHNOLOGY 2022; 359:127498. [PMID: 35724911 DOI: 10.1016/j.biortech.2022.127498] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/11/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Multiple microbial exopolysaccharides have been reported in recent decade with their structural and functional features. Gellan gum (GG) is among these emerging biopolymers with versatile properties. Low production yield, high downstream cost, and abundant market demand have made GG a high cost material. Hence, an understanding on the various possibilities to develop cost-effective gellan gum bioprocess is desirable. This review focuses on details of upstream and downstream process of GG from an industrial perspective. It emphasizes on GG producing Sphingomonas spp., updates on biosynthesis, strain and media engineering, kinetic modeling, bioreactor design and scale-up considerations. Details of the downstream operations with possible modifications to make it cost-effective and environmentally sustainable have been discussed. The updated regulatory criteria for GG as a food ingredient and analytical tools required to validate the same have been briefly discussed. Derivatives of GG and their applications in various industrial segments have also been highlighted.
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Affiliation(s)
- Manoj J Dev
- Food Engineering and Technology Department, Institute of Chemical Technology, Mumbai, India
| | - Rahul G Warke
- Microbiology Division, Hi-Media Laboratories Pvt. Ltd., Mumbai, India
| | - Gangadhar M Warke
- Microbiology Division, Hi-Media Laboratories Pvt. Ltd., Mumbai, India
| | - Girish B Mahajan
- Microbiology Division, Hi-Media Laboratories Pvt. Ltd., Mumbai, India
| | - Tanuja A Patil
- Microbiology Division, Hi-Media Laboratories Pvt. Ltd., Mumbai, India
| | - Rekha S Singhal
- Food Engineering and Technology Department, Institute of Chemical Technology, Mumbai, India.
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Mukherjee S, Jana S, Khawas S, Kicuntod J, Marschall M, Ray B, Ray S. Synthesis, molecular features and biological activities of modified plant polysaccharides. Carbohydr Polym 2022; 289:119299. [DOI: 10.1016/j.carbpol.2022.119299] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 12/17/2022]
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13
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Zhang F, Zhang X, Liang X, Wu K, Cao Y, Ma T, Guo S, Chen P, Yu S, Ruan Q, Xu C, Liu C, Qian D, Duan JA. Defensing against oxidative stress in Caenorhabditis elegans of a polysaccharide LFP-05S from Lycii fructus. Carbohydr Polym 2022; 289:119433. [DOI: 10.1016/j.carbpol.2022.119433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/16/2022] [Accepted: 03/28/2022] [Indexed: 12/28/2022]
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Liang Z, Yin Z, Liu X, Ma C, Wang J, Zhang Y, Kang W. A glucomannogalactan from Pleurotus geesteranus: Structural characterization, chain conformation and immunological effect. Carbohydr Polym 2022; 287:119346. [DOI: 10.1016/j.carbpol.2022.119346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 02/06/2023]
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Recent patents on water-soluble polysaccharides for advanced drug delivery, tissue engineering and regenerative medicine. Pharm Pat Anal 2022; 11:75-88. [PMID: 35758101 DOI: 10.4155/ppa-2022-0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Water-soluble polysaccharides have unique properties and have found wide application in the design of advanced drug-delivery systems and the biofabrication of tissue engineered scaffolds in regenerative medicine. This patent review provides a concise incursion into the mechanisms that define the key properties of water-soluble polysaccharides that have found embodiment within active patents recently granted (2020-2021). In addition, the relationship between their solubility and structural features such as molecular weight, ionic profile, degree of branching/crosslinking, side-chain flexibility and the presence/modification of functional groups that have been discusses. An assimilation of patents in which water-soluble polysaccharides are central to the design of therapeutic interventions applied to specialized treatments in oncology, infectious diseases and neuronal disorders is provided.
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Lupo C, Boulos S, Gramm F, Wu X, Nyström L. A microcalorimetric and microscopic strategy to assess the interaction between neutral soluble dietary fibers and small molecules. Carbohydr Polym 2022; 287:119229. [DOI: 10.1016/j.carbpol.2022.119229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 11/02/2022]
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Liu J, Li Y, Pu Q, Qiu H, Di D, Cao Y. A polysaccharide from Lycium barbarum L.: Structure and protective effects against oxidative stress and high-glucose-induced apoptosis in ARPE-19 cells. Int J Biol Macromol 2021; 201:111-120. [PMID: 34968548 DOI: 10.1016/j.ijbiomac.2021.12.139] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/05/2021] [Accepted: 12/20/2021] [Indexed: 12/27/2022]
Abstract
Lycium barbarum polysaccharides (LBPs) are beneficial for vision; however, relevant research has mainly focused on entire crude polysaccharides, with the basis and exact structure of the polysaccharide rarely explored. In this study, LICP009-3F-2a, a novel polysaccharide from Lycium barbarum L., was separated and then purified using anion-exchange and size-exclusion chromatography. Structural characteristics were investigated using chemical and spectroscopic methods, which revealed that LICP009-3F-2a has an Mw of 13720 Da and is an acidic heteropolysaccharide composed of rhamnose (39.1%), arabinose (7.4%), galactose (22.5%), glucose (8.3%), galacturonic acid (13.7%), and glucuronic acid (4.0%). Linkage and NMR data revealed that LICP009-3F-2a has the following backbone: →2)-α-L-Rha-(1→2,4)-α-L-Rha- (1→4)-α-D-GalAp-(1→3,6)-β-D-Galp-(1→3,6)-β-D-Galp-(1→6)-β-D-Galp-(1→, with three main branches, including: α-L-Araf-(1→5)-α-L-Araf-(1→6)-β-D-Glcp-(1→2,4)-α-L-Rha-(1→, β-D-Glcp-(1→4)-β-D-Glcp-(1→3,6)-β-D-Galp-(1→, and β-D-Galp-(1→3)-β-D-Galp-(1→3,6) -β-D-Galp-(1→. Differential scanning colorimetry and thermogravimetric analysis showed that LICP009-3F-2a is thermally stable, while X-ray diffractometry showed that LICP009-3F-2a has a semi-crystalline structure. In addition, LICP009-3F-2a protects ARPE-19 cells from H2O2-induced oxidative damage by regulating the expression of antioxidant SOD1 and CAT enzymes and down-regulating MMP2 expression. Moreover, LICP009-3F-2a promotes the proliferation of ARPE-19 cells in a concentration-dependent manner, and protects ARPE-19 cells from hyperglycemia by inhibiting apoptosis.
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Affiliation(s)
- Jianfei Liu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunchun Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Qiaosheng Pu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, Department of Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Duolong Di
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Youlong Cao
- National Wolfberry Engineering Research Center, Yinchuan 750002, Ningxia, China.
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