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Sun Y, Zhang Y, Sun M, Gao W, He Y, Wang Y, Yang B, Kuang H. Advances in Eucommia ulmoides polysaccharides: extraction, purification, structure, bioactivities and applications. Front Pharmacol 2024; 15:1421662. [PMID: 39221141 PMCID: PMC11361956 DOI: 10.3389/fphar.2024.1421662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 08/05/2024] [Indexed: 09/04/2024] Open
Abstract
Eucommia ulmoides (EU) is a precious tree species native to China originating during the ice age. This species has important economic value and comprehensive development potential, particularly in medicinal applications. The medicinal parts of EU are its bark (Eucommiae cortex) and leaves (Eucommiae folium) which have been successively used as a traditional Chinese medicine to treat diseases since the first century BC. During the last 2 decades, as natural polysaccharides have become of increasing interest in pharmacology, biomedicine, cosmetic and food applications, more and more scholars have begun to study polysaccharides derived from EU as well. EU polysaccharides have been found to have a variety of biological functions both in vivo and in vitro, including immunomodulatory, antioxidant, anti-inflammatory, anticomplementary, antifatigue, and hepatoprotective activities. This review aims to summarize these recent advances in extraction, purification, structural characteristics, pharmacological activities and applications in different fields of EU bark and leaf polysaccharides. It was found that both Eucommiae folium polysaccharides and Eucommiae cortex polysaccharides were suitable for medicinal use. Eucommiae folium may potentially be used to substitute for Eucommiae cortex in terms of immunomodulation and antioxidant activities. This study serves as a valuable reference for improving the comprehensive utilization of EU polysaccharides and further promoting the application of EU polysaccharides.
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Affiliation(s)
| | | | | | | | | | | | | | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
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Zhang Y, Sun M, He Y, Gao W, Wang Y, Yang B, Sun Y, Kuang H. Polysaccharides from Platycodon grandiflorum: A review of their extraction, structures, modifications, and bioactivities. Int J Biol Macromol 2024; 271:132617. [PMID: 38795891 DOI: 10.1016/j.ijbiomac.2024.132617] [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: 12/19/2023] [Revised: 04/29/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Abstract
Platycodon grandiflorum (P. grandiflorum) has long been used as a food and traditional herbal medicine. As a food, P. grandiflorum is often transformed into pickles for consumption, and as a traditional Chinese medicine, P. grandiflorum clears the lung, nourishes the pharynx, dispels phlegm, and discharges pus. Polysaccharides are among the main active components of P. grandiflorum. Recent literature has described the preparation, identification, and pharmacological activity of these polysaccharides. Studies have shown that these polysaccharides exhibit a variety of significant biological effects in vitro and in vivo, such as immune stimulation and antioxidant, anti-liver injury, anti-apoptosis and antitumour effects. However, there is no systematic summary of the related research articles on P. grandiflorum polysaccharide, which undoubtedly brings some difficulties to the future research. The purpose of this review is to comprehensively describe research progress on the extraction, purification, structural characterization, modification, and biological activity of P. grandiflorum polysaccharides. The shortcomings of recent research are summarized, further research on their biological activity is proposed to provide new reference value for the application of P. grandiflorum polysaccharides in drugs and health products in the future.
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Affiliation(s)
- Yuping Zhang
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Minghao Sun
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Yujia He
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Wuyou Gao
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Yu Wang
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Bingyou Yang
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
| | - Yanping Sun
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China.
| | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China.
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Ye S, Gao Y, Hu X, Cai J, Sun S, Jiang J. Research progress and future development potential of Flammulina velutipes polysaccharides in the preparation process, structure analysis, biology, and pharmacology: A review. Int J Biol Macromol 2024; 267:131467. [PMID: 38599436 DOI: 10.1016/j.ijbiomac.2024.131467] [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: 06/06/2023] [Revised: 02/27/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
In recent years, Flammulina velutipes (F. velutipes) has attracted consequential attention in various research fields due to its rich composition of proteins, vitamins, amino acids, polysaccharides, and polyphenols. F. velutipes polysaccharides (FVPs) are considered as key bioactive components of F. velutipes, demonstrating multiple physiological activities, including immunomodulatory, anti-inflammatory, and antibacterial properties. Moreover, they offer health benefits such as antioxidant and anti-aging properties, which have exceptionally valuable clinical applications. Polysaccharides derived from different sources exhibit a wide range of biomedical functions and distinct biological activities. The varied biological functions of polysaccharides, coupled with their extensive application in functional foods and clinical applications, have prompted a heightened focus on polysaccharide research. Additionally, the extraction, deproteinization, and purification of FVPs are fundamental to investigate the structure and biological activities of polysaccharides. Therefore, this review provides a comprehensive and systematic overview of the extraction, deproteinization, purification, characterization, and structural elucidation of FVPs. Furthermore, the biological activities and mechanisms of FVPs have been further explored through in vivo and in vitro experiments. This review aims to provide a theoretical foundation and guide future research and development of FVPs.
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Affiliation(s)
- Shiying Ye
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang medical school, University of South China, Hengyang, Hunan, China
| | - Yi Gao
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang medical school, University of South China, Hengyang, Hunan, China
| | - Xiangyan Hu
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang medical school, University of South China, Hengyang, Hunan, China
| | - Jiye Cai
- Department of Chemistry, Jinan University, Guangzhou 510632, China
| | - Shaowei Sun
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang medical school, University of South China, Hengyang, Hunan, China; Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang medical school, University of South China, Hengyang, Hunan, China
| | - Jinhuan Jiang
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang medical school, University of South China, Hengyang, Hunan, China; Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang medical school, University of South China, Hengyang, Hunan, China
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Xu C, Wang F, Guan S, Wang L. β-Glucans obtained from fungus for wound healing: A review. Carbohydr Polym 2024; 327:121662. [PMID: 38171680 DOI: 10.1016/j.carbpol.2023.121662] [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: 10/27/2023] [Revised: 11/22/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024]
Abstract
The cell surface of fungus contains a large number of β-glucans, which exhibit various biological activities such as immunomodulatory, anti-inflammatory, and antioxidation. Fungal β-glucans with highly branched structure show great potential as wound healing reagents, because they can stimulate the expression of many immune- and inflammatory-related factors beneficial to wound healing. Recently, the wound healing ability of many fungal β-glucans have been investigated in animals and clinical trials. Studies have proved that fungal β-glucans can promote fibroblasts proliferation, collagen deposition, angiogenesis, and macrophage infiltration during the wound healing process. However, the development of fungal β-glucans as wound healing reagents is not systematically reviewed till now. This review discusses the wound healing studies of β-glucans obtained from different fungal species. The structure characteristics, extraction methods, and biological functions of fungal β-glucans with wound healing ability are summarized. Researches about fungal β-glucan-containing biomaterials and structurally modified β-glucans for wound healing are also involved.
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Affiliation(s)
- Chunhua Xu
- Biology Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250103, Shandong Province, China
| | - Fengxia Wang
- Biology Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250103, Shandong Province, China
| | - Shibing Guan
- Department of Hand and Foot Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China.
| | - Lizhen Wang
- Biology Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250103, Shandong Province, China.
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Zhu L, Guan L, Wang K, Ren C, Gao Y, Li J, Yan S, Zhang X, Yao X, Zhou Y, Li B, Lu S. Recent trends in extraction, purification, structural characterization, and biological activities evaluation of Perilla frutescens (L.) Britton polysaccharide. Front Nutr 2024; 11:1359813. [PMID: 38585610 PMCID: PMC10995927 DOI: 10.3389/fnut.2024.1359813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/13/2024] [Indexed: 04/09/2024] Open
Abstract
Perilla frutescens (L.) Britton is an annual herb plant of the Perilla genus in the Labiatae family, which is commonly utilized as an edible and medicinal resource. Polysaccharides are among the major components and essential bioactive compounds of P. frutescens, which exhibit a multitude of biological activities, including antioxidant, antitumor, anti-fatigue, immunoregulation, hepatoprotective, anti-inflammatory, and lipid-lowering effects. As a natural carbohydrate, P. frutescens polysaccharide has the potential to be utilized in the development of drugs and functional materials. In this paper, we provide an overview of progress made on the extraction, purification, structural characterization, and bioactivity of polysaccharides from different parts of P. frutescens. The challenges and opportunities for research are discussed, along with the potential development prospects and future areas of focus in the study of P. frutescens polysaccharides.
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Affiliation(s)
- Ling Zhu
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Lijun Guan
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Kunlun Wang
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Chuanying Ren
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Yang Gao
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Jialei Li
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Song Yan
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Xindi Zhang
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Xinmiao Yao
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Ye Zhou
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Bo Li
- Institute of Food Processing, Heilongjiang Province Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
| | - Shuwen Lu
- Heilongjiang Province Key Laboratory of Food Processing, Harbin, China
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Wang X, Hu K, Chen Y, Lai J, Zhang M, Li J, Li Q, Zhao N, Liu S. Effect of Lactiplantibacillus plantarum fermentation on the physicochemical, antioxidant activity and immunomodulatory ability of polysaccharides from Lvjian okra. Int J Biol Macromol 2024; 257:128649. [PMID: 38065452 DOI: 10.1016/j.ijbiomac.2023.128649] [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: 07/22/2023] [Revised: 11/28/2023] [Accepted: 12/05/2023] [Indexed: 01/26/2024]
Abstract
Okra polysaccharides exhibits a range of biological activities. To date, its processing using microbial fermentation has not been explored. This study investigated the fermentation of okra juice with various lactic acid bacteria, followed by the extraction and characterization of crude polysaccharides (termed OPS-F), in contrast to their non-fermented counterpart (OPS). Changes in physicochemical properties, antioxidant activity and immunomodulatory ability were noted. The results demonstrated that OPS-F had a 7.42-12.53 % increase in total polysaccharides content compared to OPS. However, high-performance size-exclusion chromatography indicated a reduction in the molecular weight of OPS-F (7.9-9.5 × 105 Da) relative to OPS (1.66 × 106 Da). Compared to OPS, OPS-F had reduced levels of mannose, glucose, glucuronic acid and arabinose, but increased rhamnose, galacturonic acid and galactose, exhibiting enhanced solubility and lower apparent viscosity. Fourier transform infrared spectroscopy and nuclear magnetic resonance analysis showed minimal changes in polysaccharide structure post-fermentation. Moreover, despite a decrease in antioxidant activity post-fermentation, OPS-F exhibited superior immunomodulatory potential. In conclusion, fermenting okra juice with lactic acid bacteria alters the physicochemical properties of crude polysaccharides and enhances their immunomodulatory activity, offering a promising approach for developing new functional food resources.
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Affiliation(s)
- Xingjie Wang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Kaidi Hu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Yuan Chen
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Jinghui Lai
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Mengmei Zhang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Jianlong Li
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Qin Li
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Ning Zhao
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Shuliang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
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Zheng Y, Yan J, Cao C, Liu Y, Yu D, Liang X. Application of chromatography in purification and structural analysis of natural polysaccharides: A review. J Sep Sci 2023; 46:e2300368. [PMID: 37480171 DOI: 10.1002/jssc.202300368] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/23/2023]
Abstract
Polysaccharides are widely distributed in natural sources from monocytic microorganisms to higher animals, and are found in a variety of biological activities in recent decades. Natural polysaccharides have the characteristics of large molecular weight, diverse composition, and complex structure, so their purification and structural analysis are difficult issues in research. Chromatography as a powerful separation technique, plays an irreplaceable role in the separation and structural analysis of natural polysaccharides, especially in the purification of polysaccharides, the separation of hydrolysates, and the analysis of monosaccharide composition. The separation mechanisms and application of different chromatographic methods in the studies of polysaccharides were summarized in this review. Moreover, the advantages and drawbacks of various chromatography methods were discussed as well.
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Affiliation(s)
- Yi Zheng
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
| | - Jingyu Yan
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
| | - Cuiyan Cao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
| | - Yanfang Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
| | - Dongping Yu
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
| | - Xinmiao Liang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Ganjiang Chinese Medicine Innovation Center, Nanchang, China
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Bai C, Chen R, Zhang Y, Bai H, Tian L, Sun H, Li D, Wu W. Comparison in structural, physicochemical and functional properties of sweet potato stems and leaves polysaccharide conjugates from different technologies. Int J Biol Macromol 2023; 247:125730. [PMID: 37422248 DOI: 10.1016/j.ijbiomac.2023.125730] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/23/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
In order to better understand the influences of extraction techniques on the yield, characteristics, and bioactivities of polysaccharide conjugates, hot reflux extraction (HRE), ultrasonic-assisted extraction (UAE), microwave-assisted extraction (MAE), complex enzymolysis extraction (CEE), ultra-high pressure extraction (UPE), ultrasonic complex enzymes extraction (UEE) were used to extract sweet potato stems leaves polysaccharide conjugates (SPSPCs), and their physicochemical characteristics, functional properties, antioxidant and hypoglycemic activities were compared. Results showed that compared with HRE conjugate (HR-SPSPC), the yield, content of uronic acid (UAC), total phenol (TPC), total flavonoid (TFC) and sulfate group (SGC), water solubility (WS), percentage of glucuronic acid (GlcA), galacuronic acid (GalA) and galactose (Gal), antioxidant and hypoglycemia activities of UEE polysaccharide conjugates (UE-SPSPC) significant increased, while its molecular weight (Mw), degree of esterification (DE), content of protein (PC) and percentage of glucose (Glc) declined, but monosaccharides and amino acid types, and glycosyl linkages were not much different. Indeed, UE-SPSPC possessed the highest antioxidant activities and hypolipidemic activities among six SPSPCs, which might be due to the high UAC, TPC, TFC, SGC, GlcA, GalA and WS, low Mw, DE and Glc of UE-SPSPC. The results reveal that UEE is an effective extraction and modification technology of polysaccharide conjugates.
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Affiliation(s)
- Chunlong Bai
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Ruizhan Chen
- College of Chemistry, Changchun Normal University, Changchun 130032, China.
| | - Yu Zhang
- CHINA FAW GROUP CO., LTD, General Institute of FAW Vehicle benchmarking Center, Changchun 130011, China
| | - Helong Bai
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Li Tian
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Hui Sun
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Dongxue Li
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Wenjing Wu
- College of Chemistry, Changchun Normal University, Changchun 130032, China
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Liu T, Ren Q, Wang S, Gao J, Shen C, Zhang S, Wang Y, Guan F. Chemical Modification of Polysaccharides: A Review of Synthetic Approaches, Biological Activity and the Structure-Activity Relationship. Molecules 2023; 28:6073. [PMID: 37630326 PMCID: PMC10457902 DOI: 10.3390/molecules28166073] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Natural polysaccharides are macromolecular substances with great potential owing to their wide biological activity and low toxicity. However, not all polysaccharides have significant pharmacodynamic activity; hence, appropriate chemical modification methods can be selected according to the unique structural characteristics of polysaccharides to assist in enhancing and promoting the presentation of their biological activities. This review summarizes research progress on modified polysaccharides, including common chemical modification methods, the change in biological activity following modification, and the factors affecting the biological activity of chemically modified polysaccharides. At the same time, the difficulties and challenges associated with the structural modification of natural polysaccharides are also outlined in this review. Thus, research on polysaccharide structure modification is critical for improving the development and utilization of sugar products.
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Affiliation(s)
- Tianbo Liu
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Qianqian Ren
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Shuang Wang
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Jianing Gao
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Congcong Shen
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Shengyu Zhang
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
| | - Yanhong Wang
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China
| | - Feng Guan
- School of Pharmacy, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China; (T.L.); (Q.R.); (S.W.); (J.G.); (C.S.); (S.Z.)
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin 150040, China
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Liu M, Liu Z, Zhang N, Cao Z, Fu J, Yuan W, Wu H, Shang H. Preparation of polysaccharides from Crepis tectorum Linn. and the regulation effects on intestinal microbiota. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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11
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Xue T, Ruan K, Tang Z, Duan J, Xu H. Isolation, structural properties, and bioactivities of polysaccharides from Althaea officinalis Linn.: A review. Int J Biol Macromol 2023:125098. [PMID: 37245776 DOI: 10.1016/j.ijbiomac.2023.125098] [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: 01/19/2023] [Revised: 05/18/2023] [Accepted: 05/23/2023] [Indexed: 05/30/2023]
Abstract
Althaea officinalis Linn. (AO) is a widely distributed herbaceous plant with a long history of medicinal and food functions in Europe and Western Asia. Althaea officinalis polysaccharide (AOP), as one of the main components and a crucial bioactive substance of AO, has a variety of pharmacological activities, including antitussive, antioxidant, antibacterial, anticancer, wound healing, immunomodulatory, and infertility therapy effects. Many polysaccharides have been successfully obtained in the last five decades from AO. However, there is currently no review available concerning AOP. Considering the importance of AOP for biological study and drug discovery, the present review aims to systematically summarize the recent major studies on extraction and purification methods of polysaccharides from different AO parts (seeds, roots, leaves and flowers), as well as the characterization of their chemical structure, biological activity, structure-activity relationship, and the application of AOP in different fields. Meanwhile, the shortcomings of AOP research are further discussed in detail, and new valuable insights for future AOP research as therapeutic agents and functional foods are proposed.
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Affiliation(s)
- Taotao Xue
- Co-construction Collaborative Innovation Center for Chinese Medicine Resources Industrialization by Shaanxi & Education Ministry, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi University of Chinese Medicine, 712083 Xianyang, PR China.
| | - Kaihua Ruan
- The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine (Xi'an New Area Central Hospital), Xi'an 710075, PR China
| | - Zhishu Tang
- Co-construction Collaborative Innovation Center for Chinese Medicine Resources Industrialization by Shaanxi & Education Ministry, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi University of Chinese Medicine, 712083 Xianyang, PR China; China Academy of Chinese Medical Sciences, Beijing 100700, PR China
| | - Jinao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
| | - Hongbo Xu
- Co-construction Collaborative Innovation Center for Chinese Medicine Resources Industrialization by Shaanxi & Education Ministry, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi University of Chinese Medicine, 712083 Xianyang, PR China.
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12
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Cai W, Wong K, Huang Q. Isolation, structural features, rheological properties and bioactivities of polysaccharides from Lignosus rhinocerotis: A review. Int J Biol Macromol 2023; 242:124818. [PMID: 37178885 DOI: 10.1016/j.ijbiomac.2023.124818] [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: 01/26/2023] [Revised: 05/04/2023] [Accepted: 05/07/2023] [Indexed: 05/15/2023]
Abstract
L. rhinocerotis, an edible and medicinal mushroom, has long been utilized as folk medicine and nutritional food in Southeast Asia and southern China. Polysaccharides are the main bioactive substances of L. rhinocerotis sclerotia, and they have attracted extensive attention of researchers both at home and abroad. In the past few decades, various methods have been applied to extract polysaccharides from L. rhinocerotis (LRPs) and the structural features of LRPs are closely related to the used methods of extraction and purification. Many studies have confirmed that LRPs possess various remarkable bioactivities, including immunomodulatory, prebiotic, antioxidant, anti-inflammatory and anti-tumor activities and intestinal mucosa protective effect. As a natural polysaccharide, LRP has the potential to be a drug and functional material. This paper systematically reviews the recent studies on structural characteristics, modification, rheological properties and bioactivities of LRPs, and provides a theoretical basis for an in-depth study of the structure-activity relationship, and utilization of LRPs as therapeutic agents and functional foods. Additionally, the further research and development of LRPs are also prospected.
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Affiliation(s)
- Wudan Cai
- College of Food Science and Technology, and MOE Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Wuhan 430070, China
| | - Kahing Wong
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Qilin Huang
- College of Food Science and Technology, and MOE Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Wuhan 430070, China.
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Li R, Zhao Y, Zhang T, Ju Z, Ji X, Cui Y, Wang L, Xiao H. Pd nanoparticles stabilized by bitter gourd polysaccharide with peroxidase properties for H 2O 2 detection. Int J Biol Macromol 2023; 233:123513. [PMID: 36739057 DOI: 10.1016/j.ijbiomac.2023.123513] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023]
Abstract
The development of nanozymes using noble metal nanoparticles to replace natural peroxidase in bio-related detection has been gain great interest. Noble metal nanoparticles with small size have large specific surface area. However, small noble metal nanoparticles tend to aggregate without stabilizer. In this paper, small Pd nanoparticles (3-6 nm) stabilized by bitter gourd polysaccharide (Pdn-BGP NPs) were prepared by using bitter gourd polysaccharide as reducing agent and stabilizing agent. Pd25-BGP NPs had peroxidase-like catalytic property. And the catalytic kinetics of Pd25-BGP NPs towards substrates conformed to the Michaelis-Menten equation. Furthermore, a method was established to detect H2O2 using Pd25-BGP NPs. The linear range and detection limit of this method was 20-320 μM and 2.04 μM, respectively. Finally, Pd25-BGP NPs had good biocompatibility when the concentration was less than 80 μg/mL. The prepared Pd nanoparticles with high stability showed their good prospect in H2O2 detection.
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Affiliation(s)
- Ruyu Li
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
| | - Yu Zhao
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Tingting Zhang
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Zejin Ju
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Xianbing Ji
- Hebei University of Environmental Engineering, Qinhuangdao 066102, China
| | - Yanshuai Cui
- Hebei University of Environmental Engineering, Qinhuangdao 066102, China
| | - Longgang Wang
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.
| | - Haiyan Xiao
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
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Wang Z, Liu H, Fu R, Ou J, Wang B. Structural characterization and anti-inflammatory activity of a novel polysaccharide PKP2-1 from Polygonatum kingianum. Front Nutr 2023; 10:1156798. [PMID: 37051130 PMCID: PMC10083337 DOI: 10.3389/fnut.2023.1156798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/13/2023] [Indexed: 03/28/2023] Open
Abstract
IntroductionThis study aimed to investigate the structure characterization and antiinflammatory activity of a novel polysaccharide, PKP2-1, from the rhizomes of Polygonatum kingianum Coll. and Hemsl.MethodsWe isolated a novel polysaccharide, PKP2-1, from the rhizomes of Polygonatum kingianum Coll. and Hemsl. for the first time, which was then successively purified through hot-water extraction, 80% alcohol precipitation, anion exchange and gel permeation chromatography. The in vitro anti-inflammatory activity of PKP2-1 in MH7A cells was assessed using a CCK-8 kit assay.ResultsMonosaccharide composition assay revealed that PKP2-1 was mainly composed of glucose, galactose, mannose, and glucuronic acid at an approximate molar ratio of 6:2:2:1. It had a molecular weight of approximately 17.34 kDa. Structural investigation revealed that the backbone of PKP2-1 consisted of (→2, 3)-α-D-Galp(4→, →2)-α-D-Manp(3→, →2)-β-D-Glcp(4→) and α-D-Glcp(3→) residues with side chains (→2)-β-D-Glcp(4→, →1)-α-D-Galp(4→) and α-D-Glcp(3→) branches located at O-3 position of (→2, 3)-α-D-Galp(4→). The in vitro anti-inflammatory activity of PKP2-1 in MH7A cells revealed that PKP2-1 could reduce the expression of IL-11β and IL-6, increase the expression of IL-10 and induce apoptosis of synovial fibroblasts.ConclusionThe PKP2-1 could inhibit MH7A cell growth and potentially be exploited as an anti-inflammatory agent.
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Extraction, Characterization, and Antioxidant Activity of Polysaccharides from Ajwa Seed and Flesh. SEPARATIONS 2023. [DOI: 10.3390/separations10020103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The date palm has been cultivated in dry and hot areas of the planet for much of human history. In the Kingdom of Saudi Arabia, dates are the main crop used as a source of food. Among several species of date fruits, the Ajwa AL-Madinah date is unique, growing only in Al-Madinah geographical region. The Ajwa date is used in traditional medicine due to its abundant active components and therapeutic properties. This study investigates the structural properties and the antioxidant effects of water-soluble polysaccharides extracted from Ajwa flesh and seed. The polysaccharides were isolated by two techniques including hot water and ultrasonic extraction. After isolation and partial purification, the physicochemical properties of four samples of polysaccharides extracted from flesh and seed were studied by several techniques including FTIR, solid-state NMR, elemental analysis, and mass spectrometry. Several radical scavenging experiments were combined to study the antioxidant activity of the polysaccharide compounds. FTIR and NMR results showed a structure typical of heterogeneous polysaccharides. Mass spectrometry revealed that the polysaccharide samples were composed mainly of mannose, glucose, galactose, xylose, arabinose, galacturonic acid, and fucose. In addition, the physicochemical properties and composition of polysaccharides extracted from flesh and seed were compared. The extracted polysaccharides showed antioxidant activity, with 2, 2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging, Fe chelating ability, hydroxyl free radical scavenging ability, and 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging. These results highlight their potential to be a useful nutritional element or supplemental medication.
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Kpemissi M, Kantati YT, Veerapur VP, Eklu-Gadegbeku K, Hassan Z. Anti-cholinesterase, anti-inflammatory and antioxidant properties of Combretum micranthum G. Don: Potential implications in neurodegenerative disease. IBRO Neurosci Rep 2022; 14:21-27. [PMID: 36578633 PMCID: PMC9791815 DOI: 10.1016/j.ibneur.2022.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Background Brain damage is a severe and common pathology that leads to life-threatening diseases. Despite development in the research, the medical evidence of the effectiveness of potential neuroprotective medicines is insufficient. As a result, there is an immense and urgent demand for promising medication. For millennia, herbal remedies were a fundamental aspect of medical treatments. Combretum micranthum (CM), a plant of the family Combretaceae in sub-Saharan Africa, has been utilized in folklore medicine to cure diverse human ailments. In order to develop a neuroprotective phytomedicine, the current research was undertaken to explore the antioxidant, anti-inflammatory, anticholinesterase and neuroprotective potential of CM extract. Methods Colorimetric methods were used to determine CM antioxidant activity, in-vitro protein denaturation and membrane destabilization assays were used to evaluate its anti-inflammatory capacity, anticholinesterase activity was carried out using Ellman's method, and neuroprotective potential was assessed on brain homogenate stressed with ferric chloride and ascorbic acid (FeCl2-AA) by assessing the lipoperoxidation biomarker malondialdehyde (MDA). Results In Ferric Reducing Antioxidant Power (IC50 = 27.15 ± 0.06 µg/mL) and Total Antioxidant Capacity (IC50 = 31.13 ± 0.02 µg/mL), CM extract demonstrated strong antioxidant activity. Anti-inflammatory effect were improved in heat-induced Egg albumin and BSA denaturation (IC 50 = 46.35 ± 1.53 and 23.94 ± 1.10 µg/mL) as well as heat and hypotonia induced membrane destabilization (IC 50 = 20.96 ± 0.11 and 16.75 ± 0.94 µg/mL).CM extract showed strong anticholinesterase activity (IC 50 = 59.85 ± 0.91 µg/mL). In an ex-vivo neuroprotective model, CM extract showed substantial inhibition (p < 0.001) of oxidative damage caused by FeCl2-AA in brain tissue. Conclusion C. micranthum may be a good candidate for its probable neuroprotective potential. Its neuroprotective benefits might be attributed to its antioxidant, anti-inflammatory and anticholinesterase effects.
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Affiliation(s)
- Mabozou Kpemissi
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia,University of Lomé, Togo,Sree Siddaganga College of Pharmacy, B.H. Road, Tumkur 572 102, Karnataka, India,Correspondence to: Major in Pharmacology and Physiology Faculty of Sciences, University of Lomé, Togo.
| | | | | | | | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia,Corresponding author.
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Song Q, Kong L. Chemical structure and protective effect against alcoholic kidney and heart damages of a novel polysaccharide from Piperis Dahongpao. Carbohydr Res 2022; 522:108698. [DOI: 10.1016/j.carres.2022.108698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/28/2022]
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18
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Extraction, purification and structural characterization of polysaccharides from Apocynum venetum L. roots with anti-inflammatory activity. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.06.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Feng Y, Song Y, Zhou J, Duan Y, Kong T, Ma H, Zhang H. Recent progress of Lycium barbarum polysaccharides on intestinal microbiota, microbial metabolites and health: a review. Crit Rev Food Sci Nutr 2022; 64:2917-2940. [PMID: 36168931 DOI: 10.1080/10408398.2022.2128037] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Intestinal microbiota is symbiotically associated with host health, learning about the characteristics of microbiota and the factors that modulate it could assist in developing strategies to promote human health and prevent diseases. Polysaccharides from Lycium barbarum (LBPs) are found beneficial for enhancing the activity of gut microbiota, as a potential prebiotic, which not only participates in improving body immunity, obesity, hyperlipidemia and systemic inflammation induced by oxidative stress, but also plays a magnificent role in regulating intestinal microenvironment and improving host health and target intestinal effects via its biological activities, as well as gut microbiota and metabolites. To highlight the internal relationship between intestinal microbiota and LBPs, this review focuses on the latest advances in LBPs on the intestinal microbiota, metabolites, immune regulation, intestinal barrier protection, microbiota-gut-brain axis and host health. Moreover, the preparation, structure, bioactivity and modification of LBPs were also discussed. This review may offer new perspective on LBPs improving health of gut and host via intestinal microbiota, and provide useful guidelines for the application of LBPs in the food industry.
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Affiliation(s)
- Yuqin Feng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yating Song
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Jie Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yuqing Duan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Tianyu Kong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Haihui Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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Zhang G, Liu C, Zhang R. A novel acidic polysaccharide from blackened jujube: Structural features and antitumor activity in vitro. Front Nutr 2022; 9:1001334. [PMID: 36185697 PMCID: PMC9521368 DOI: 10.3389/fnut.2022.1001334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
Liver cancer is one of the most common cancers, with increasing trends in incidence and mortality. A novel acidic polysaccharide (BJP-2) obtained from blackened jujube was extracted by hot water followed by chromatographic purification employing DEAE-cellulose 52 and Sephadex G-100 column. And then BJP-2 was identified by SEC-MALLS-RI, GC-MS, methylation and NMR for the following characteristics: molecular weight of 6.42 × 104 Da, monosaccharide composition of glucuronic acid (GalA), arabinose (Ara), galactose (Gal), rhamnose (Rha), xylose (Xyl), glucuronic acid (GlcA), glucose (Glc), fucose (Fuc) and mannose (Man) with the percentage of 39.78, 31.93, 16.86, 6.43, 1.86, 1.28, 1.02, 0.61, and 0.23%, as well as the main chain of → 5)-α-L-Araf (1 → 4)-β-D-Gal(1 → , T-α-L-Araf (1 → 4)-β-D-Gal(1 → , and → 4)-α-L-6MeGalAp(1 → . The effect of BJP-2 on the apoptosis of HepG2 cells and its anti-tumor mechanism were further explored. The analysis by MTT and flow cytometry showed that BJP-2 suppressed cell proliferation by inducing apoptosis in a concentration-dependent manner. Cell scratching and Transwell revealed that BJP-2 was able to block the invasion and metastasis of tumor cells. Western blot results demonstrated that BJP-2 exhibited antitumor activity through a mitochondria-dependent pathway, as evidenced by overexpression of Bax, Cleaved Caspase-3/Caspase-3 and Cleaved Caspase-9/Caspase-9 and downregulation of Bcl-2. Therefore, BJP-2 has broad research prospects as a tumor preventive or therapeutic agent.
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Jing Y, Zhang S, Li M, Ma Y, Zheng Y, Zhang D, Wu L. Research Progress on the Extraction, Structure, and Bioactivities of Polysaccharides from Coriolus versicolor. Foods 2022; 11:foods11142126. [PMID: 35885369 PMCID: PMC9316838 DOI: 10.3390/foods11142126] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/05/2022] [Accepted: 07/14/2022] [Indexed: 12/07/2022] Open
Abstract
Coriolus is the dried fruiting body of Coriolus versicolor (L. ex Fr.) Quel. C. versicolor (CV) is a worldwide-distributed fungus, which is common and widely used in primitive forests in the northern hemisphere. Polysaccharide, as the main active ingredient in CV, has a variety of biological activities, such as promoting immune function, antivirus, antitumor, anti-diabetes, and so on. However, Coriolus versicolor polysaccharide (CVP) faces the problems of a single extraction method, lack of research on separation and purification, and the research on structural characterization is limited to the primary structure. Furthermore, the existing research results have not been systematically reviewed. Therefore, this paper summarizes the research status of CVP in terms of extraction technology, separation and purification, structural characterization, and pharmacological activity in recent years, in order to provide a theoretical basis for in-depth research, development, and utilization of CVP.
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Affiliation(s)
- Yongshuai Jing
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Street, Shijiazhuang 050018, China; (Y.J.); (S.Z.); (M.L.); (Y.M.); (D.Z.)
| | - Shilin Zhang
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Street, Shijiazhuang 050018, China; (Y.J.); (S.Z.); (M.L.); (Y.M.); (D.Z.)
| | - Mingsong Li
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Street, Shijiazhuang 050018, China; (Y.J.); (S.Z.); (M.L.); (Y.M.); (D.Z.)
| | - Yunfeng Ma
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Street, Shijiazhuang 050018, China; (Y.J.); (S.Z.); (M.L.); (Y.M.); (D.Z.)
| | - Yuguang Zheng
- College of Pharmacy, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang 050200, China;
| | - Danshen Zhang
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Street, Shijiazhuang 050018, China; (Y.J.); (S.Z.); (M.L.); (Y.M.); (D.Z.)
| | - Lanfang Wu
- College of Pharmacy, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang 050200, China;
- Correspondence: ; Tel./Fax: +86-311-8992-6017
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22
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Microalgae-derived polysaccharides: Potential building blocks for biomedical applications. World J Microbiol Biotechnol 2022; 38:150. [PMID: 35776270 DOI: 10.1007/s11274-022-03342-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 06/20/2022] [Indexed: 10/17/2022]
Abstract
In recent years, the increasing concern about human health well-being has strongly boosted the search for natural alternatives that can be used in different fields, especially in biomedicine. This has put microalgae-based products in evidence since they contain many bioactive compounds, of which polysaccharides are attractive due to the diverse physicochemical properties and new or improved biological roles they play. Polysaccharides from microalgae, specially exopolysaccharides, are critically important for market purposes because they can be used as anti-inflammatory, immunomodulatory, anti-glycemic, antitumor, antioxidant, anticoagulant, antilipidemic, antiviral, antibacterial, and antifungal agents. Therefore, to obtain higher productivity and competitiveness of these naturally available compounds, the cultivation parameters and the extraction/purification processes must be better optimized in order to bring perspectives for the exploitation of products in commercial and clinical practice. In this sense, the objective of the present review is to elucidate the potential biomedical applications of microalgae-derived polysaccharides. A closer look is taken at the main polysaccharides produced by microalgae, methods of extraction, purification and structural determination, biological activities and their applications, and current status.
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Preparation, characterization and immunoregulatory activity of derivatives of polysaccharide from Atractylodes lancea (Thunb.) DC. Int J Biol Macromol 2022; 216:225-234. [PMID: 35753515 DOI: 10.1016/j.ijbiomac.2022.06.122] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/24/2022] [Accepted: 06/17/2022] [Indexed: 12/18/2022]
Abstract
A polysaccharide (ALP-1) extracted from Atractylodes lancea (Thunb.) DC. was carboxymethylated (C-ALP-1), phosphorylated (P-ALP-1) and acetylated (A-ALP-1) to improve its physicochemical properties and bioactivities. The solubility of all derivatives was increased, and the solubility of A-ALP-1 increased to 137.5 mg/mL, which was much higher than the solubility of ALP-1 (15.0 mg/mL). The results of HPSEC-MALLS-RID showed that the molecular weight of polysaccharides was slightly increased after the modification, and the root mean square radius of rotation (Rz) and morphology of polysaccharides in solution were also changed. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) results confirmed that the surface morphology of ALP-1 changed dramatically and the crystallinity decreased after structural modification. From thermal analysis results, the T50 of ALP-1, C-ALP-1, P-ALP-1 and A-ALP-1 were 281.34, 292.14, 333.75 and 298.70 °C, which showed that derivatives had stronger thermal stability than ALP-1. The immunomodulatory activity studies displayed that P-ALP-1 showed the best ability to stimulate RAW264.7 macrophages to release NO, and A-ALP-1 showed the best capacity to stimulate TNF-α and IL-6 releasing. These results indicated that chemical modification could enhance the solubility, the thermal stability and immunomodulatory activity of polysaccharides, which is beneficial for the development and utilization of natural polysaccharides.
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Huang H, Gong Z, Zhu X, Tan W, Cai H. Xanthan gum enhances peripheral blood CIK cells cytotoxicity in serum‐free medium. Biotechnol Prog 2022; 38:e3279. [DOI: 10.1002/btpr.3279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/22/2022] [Accepted: 05/29/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Huimin Huang
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai P. R. China
| | - Zizhen Gong
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai P. R. China
| | - Xuejun Zhu
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai P. R. China
| | - Wen‐song Tan
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai P. R. China
| | - Haibo Cai
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai P. R. China
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Structural characterization and antioxidant activity of polysaccharides extracted from Chinese yam by a cellulase-assisted method. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.06.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Cui M, Tian J, Sun J, Li X, Xu Q, Ma J, Liu K, Liu K. Isolation, Structural Analysis and Anti-Inflammatory Activity of a Polysaccharide from Ilex cornuta Fruits. Chem Biodivers 2022; 19:e202200084. [PMID: 35484695 DOI: 10.1002/cbdv.202200084] [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: 01/26/2022] [Accepted: 04/07/2022] [Indexed: 11/12/2022]
Abstract
In the present study, a polysaccharide from Ilex cornuta fruits (LCFP-3) was obtained by hot water extraction, Diethyaminoethyl cellulose-52 (DEAE-52) chromatography column and Sephadex G-100 gel column purification. Its structural characteristics were further explored using high performance anion exchange chromatography (HPAEC), gas chromatography and mass spectrometry (GC/MS), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy and nuclear magnetic resonance (NMR) spectroscopy. Monosaccharide composition analysis revealed LCFP-3 contained mainly Galactose (31.92 %), Arabinose (25.87 %) and Galacturonic acid (23.35 %) while small percentage of Rhamnose, Glucose, Mannose and Xylose. Chemical composition analysis showed that the total sugar content of LCFP-3 was 90.31 % and the protein content was 0.246 %. Gel permeation chromatography (GPC) analysis showed that its average molecular weight was 41.199 kDa. Structural analysis showed that LCFP-3 may be composed of residues, T-α-Arap, T-α-Rhap, 1,3-α-Arap, 1,4-α-Arap, T-β-Galp, 1,4-α-GalpA(OMe), 1,4-β-Glcp, 1,3-β-Galp, 1,3,6-β-Manp, 1,6-β-Galp, 1,3,4-β-GalpA, 1,4,6-β-Manp, 1,3,6-β-Glcp, 1,2,3,4-α-Xylp. The anti-inflammatory activity of LCFP-3 was evaluated using lipopolysaccharide (LPS)-induced RAW246.7 macrophages. The results showed that 1-200 μg/mL LCFP-3 could dose-dependently protect against LPS-induced toxicity and 1 μg/mL LCFP-3 could significantly inhibit LPS-induced NO production. Therefore, LCFP-3 exerted an anti-inflammatory activity and has great potential as a functional ingredient.
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Affiliation(s)
- Mingxiao Cui
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Junya Tian
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jun Sun
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Xinyuan Li
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Qiaohong Xu
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jian Ma
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Kehai Liu
- Department of Biopharmaceutics, College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, 201306, China
| | - Kewu Liu
- Mudanjiang Branch of Heilongjiang Academy of Forestry, Heilongjiang, 157010, China
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Meng L, Feng M, Sun J, Wang R, Qu F, Yang C, Guo W. High-performance free-standing microbial fuel cell anode derived from Chinese date for enhanced electron transfer rates. BIORESOURCE TECHNOLOGY 2022; 353:127151. [PMID: 35421564 DOI: 10.1016/j.biortech.2022.127151] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Traditional anode materials have disadvantages like low specific surface area and poor electrical conductivity. Herein, carbonized Chinese dates (CCD) were synthesized as microbial fuel cells (MFC) anodes. The obtained materials exhibited excellent biocompatibility with fast start-up (within one day) and charge transfer (Rct 4.0 Ω). Their porous structure allows efficient ion transport and microbial community succession, favorable for long-term operation. The biomass analysis shows that CCD anodes can load higher weight of biomass. High-throughput sequencing (16S rRNA) discovered that CCD anode can enrich Geobacter spp., with highest abundance of 73.4%, much higher than carbon felt (CF, 39.2%). Benefit from these properties, the MFC with CCD anodes possess a maximum power density of 12.17 W m-3 (1.62 times of commercial carbon felt). In all, the CCD anode exhibits high performance with low cost and easy fabrication, certificating it a promising candidate for an ideal MFC anode material.
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Affiliation(s)
- Li Meng
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Min Feng
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Jinzhi Sun
- School of Life Science and Technology, Key Laboratory of Micro-systems and Micro-structures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin 150001, China
| | - Ruiwen Wang
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Material Science and Engineering College, Northeast Forestry University, Harbin 150001, China
| | - Fengyu Qu
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Chunyu Yang
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Wei Guo
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China.
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Li G, Ma X, Jiang Y, Li W, Wang Y, Liu L, Sun C, Xiao S, Lan J, Kuang J, Wang G. Aqueous two-phase extraction of polysaccharides from Selaginella doederleinii and their bioactivity study. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Li K, Li XQ, Li GX, Cui LJ, Qin XM, Li ZY, Du YG, Liu YT, Li AP, Zhao XY, Fan XH. Relationship Between the Structure and Immune Activity of Components From the Active Polysaccharides APS-II of Astragali Radix by Enzymolysis of Endo α-1,4-Glucanase. Front Pharmacol 2022; 13:839635. [PMID: 35281923 PMCID: PMC8913491 DOI: 10.3389/fphar.2022.839635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/17/2022] [Indexed: 11/25/2022] Open
Abstract
Astragali Radix polysaccharides (APSs) have a wide range of biological activities. Our preliminary experiment showed that APS-Ⅱ (10 kDa) was the main immunologically active component of APSs. However, the characteristic structure related to activity of APS-Ⅱ needs further verification and clarification. In this study, APS-II was degraded by endo α-1,4-glucosidase. The degraded products with different degrees of polymerization [1–3 (P1), 3–6 (P2), 7–14 (P3), and 10–18 (P4)] were obtained using a polyacrylamide gel chromatography column. The structural features of the different products were characterized by HPGPC, monosaccharide composition, Fourier transform infrared spectrum, GC–MS, nuclear magnetic resonance, and UPLC-ESI-QTOF-MS analysis. Specific immune and non-specific immune cell tests were used to identify the most immunogenic fractions of the products. The backbone of P4 was speculated to be α-D-1,4-linked glucans and rich in C2 (25.34%) and C6 (34.54%) branches. Immune screening experiments indicated that the activity of P4 was better than that of APS-II and the other three components. In this research, the relationship between the structure of APS-Ⅱ and the immune activity from the degradation level of polysaccharides was studied, laying a foundation for the quality control and product development of APSs.
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Affiliation(s)
- Ke Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
- *Correspondence: Ke Li, ; Yu-guang Du,
| | - Xue-qin Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Guang-xin Li
- College of Agriculture, Shanxi Agricultural University, Taiyuan, China
| | - Lian-jie Cui
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Xue-mei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Zhen-yu Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Yu-guang Du
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- *Correspondence: Ke Li, ; Yu-guang Du,
| | - Yue-tao Liu
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Ai-ping Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Xing-yun Zhao
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
| | - Xin-hui Fan
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Shanxi Key Laboratory of Active Constituents Research and Utilization of TCM, Shanxi University, Taiyuan, China
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Preparation, Structure Characterization of Carboxymethylated Schisandra Polysaccharides and Their Intervention in Immunotoxicity to Polychlorinated Biphenyls. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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31
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Chemical structure and ACE inhibitory activity of polysaccharide from Artemisia vulgaris L. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Chen R, Xu J, Wu W, Wen Y, Lu S, El-Seedi HR, Zhao C. Structure–immunomodulatory activity relationships of dietary polysaccharides. Curr Res Food Sci 2022; 5:1330-1341. [PMID: 36082139 PMCID: PMC9445227 DOI: 10.1016/j.crfs.2022.08.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/11/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022] Open
Abstract
Polysaccharides are usually composed of more than ten monosaccharide units, which are connected by linear or branched glycosidic bonds. The immunomodulatory effect of natural polysaccharides is one of the most important bioactive function. In this review, molecular weight, monosaccharide (including galactose, mannose, rhamnogalacturonan-I arabinogalactan and uronic acid), functional groups (namely sulfate, selenium, and acetyl groups), types of glycoside bond connection (including β-1,3-D-glucosyl, α-1,4-D-glucosyl, β-1,4-D-glucosyl, α-1,6-D-glucosyl, β-1,4-D-mannosyl, and β-1,4-D-Xylopyranosyl), conformation and the branching degrees are systematically identified as their contribution to the immunostimulatory activity of polysaccharides. At present, studies on the structure-activity relationships of polysaccharides are limited due to their low purity and high heterogeneity. However, it is an important step in providing useful guidance for dietary supplements with polysaccharides. The chemical structures and the process of immune responses induced are necessary to be discussed. Polysaccharides may bind with the cell surface receptors to modulate immune responses. This review mainly discusses the structure-activity relationship of dietary polysaccharides. Structure - activity relationships of polysaccharides with immune-enhancing effect are proposed. Polysaccharides with the higher molecular weight are helpful to improve immunity. Higer galactose, mannose, rhamnogalacturonan-I, arabinogalacta,n and uronic acid contents have immunoregulation.
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Affiliation(s)
- Ruoxin Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Jingxiang Xu
- School of Basic Medicine, Gannan Medical University, Ganzhou, 341000, China
| | - Weihao Wu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuxi Wen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Suyue Lu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Hesham R. El-Seedi
- Pharmacognosy Group, Department of Pharmaceutical Biosciences, Uppsala University, Biomedical Centre, Box 574, 751 23, Uppsala, Sweden
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, China
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing, Jiangsu Education Department, Jiangsu University, Zhenjiang, China
| | - Chao Zhao
- College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Corresponding author.No.15 Shangxiadian Rd, Fuzhou, 350002, China
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ZHANG HY, WANG Q, SHI LY, ZHANG XF, ZHANG HL. Synthesis and antioxidant activity of selenium polysaccharide from Lotus root. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.40522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Structural properties and antioxidant activity of polysaccharides extracted from Laminaria japonica using various methods. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.10.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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