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Zhang S, Ding C, Liu X, Zhao Y, Ding Q, Sun S, Zhang J, Yang J, Liu W, Li W. Research Progress on Extraction, Isolation, Structural Analysis and Biological Activity of Polysaccharides from Panax Genus. Molecules 2023; 28:molecules28093733. [PMID: 37175143 PMCID: PMC10179830 DOI: 10.3390/molecules28093733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
The panax genus is a widely used medicinal plant with good biological activity. As one of the main active components of the Panax genus, polysaccharides have various pharmacological effects. This review summarizes the latest research reports on ginseng, American ginseng, and Panax notoginseng polysaccharides and compares the differences in extraction, isolation and purification, structural characteristics, and biological activities. The current research mainly focuses on ginseng polysaccharides, and the process of extraction, isolation, and structure analysis of each polysaccharide is roughly the same. Modern pharmacological studies have shown that these polysaccharides have antioxidants, antitumor, immunomodulatory, antidiabetic, intestinal protection, skin repair, and other biological activities. This review provides new insights into the differences between the three kinds of ginseng polysaccharides which will help to further study the medicinal value of ginseng in traditional Chinese medicine.
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Affiliation(s)
- Shuai Zhang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Chuanbo Ding
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
| | - Xinglong Liu
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
| | - Yingchun Zhao
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Shuwen Sun
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Jinping Zhang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Jiali Yang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Wencong Liu
- School of Food and Pharmaceutical Engineering, Wuzhou University, Wuzhou 543003, China
| | - Wei Li
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
- College of Life Sciences, Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun 130118, China
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Yang L, Kang Y, Dai H, Wang X, Xie M, Liu J, Gao C, Sun H, Ao T, Chen W. Differential responses of polysaccharides and antioxidant enzymes in alleviating cadmium toxicity of tuber traditional Chinese medicinal materials. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:60832-60842. [PMID: 35437654 DOI: 10.1007/s11356-022-20136-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Polygonatum cyrtonema Hua (PC) and Bletilla striata (BS) are widely used and planted as tuber traditional Chinese medicinal materials (TCMMs). Cadmium (Cd) is one of the major causes of soil pollution and challenge to the quality and safety of TCMMs. Understanding the absorption and distribution of Cd is important for addressing the risks posed by its residues. As a result, the higher Cd translocation factor (TF) results in the lower Cd bioconcentration factor (BCF) in the PC tuber than that of BS attributed to a lower Cd concentration in the PC tuber, which guaranteed its safe utilization and edible safety under 1 mg·kg-1 Cd soil. Cd stress overall activated peroxidase (POD), catalase (CAT), and water-extractable polysaccharides in PC (PCP1) to exhibit better antioxidation, while the superoxide dismutase (SOD) in BS increased by approximately 206-277% to alleviate more severe oxidative damage. Particularly, Cd induced an increase in PCP1 higher than that of water-extractable polysaccharides of BS (BSP1) by approximately 335% to 1351%. PC exhibited effective strategies for alleviating Cd toxicity, including transferring Cd to nonmedicinal parts, increasing polysaccharides, and synergistically activating the enzymatic antioxidant system. This study expands the application for the safe utilization of low-Cd contaminated soil and provides novel insights for tuber TCMMs to alleviate Cd toxicity.
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Affiliation(s)
- Li Yang
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Yuchen Kang
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Haibo Dai
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Xiaoqin Wang
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Mengdi Xie
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Jiaxin Liu
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Cheng Gao
- College of Water Resource and Hydropower, Sichuan University, Chengdu, 610065, China
| | - Hui Sun
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
| | - Tianqi Ao
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China
- College of Water Resource and Hydropower, Sichuan University, Chengdu, 610065, China
| | - Wenqing Chen
- College of Architecture and Environment, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China.
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, No. 24, South section 1, 1st Ring Rd, Chengdu, 610065, China.
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The Antiviral Effect of Panax Notoginseng Polysaccharides by Inhibiting PRV Adsorption and Replication In Vitro. Molecules 2022; 27:molecules27041254. [PMID: 35209042 PMCID: PMC8880127 DOI: 10.3390/molecules27041254] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
Porcine pseudorabies (PR) is an important infectious disease caused by pseudorabies virus (PRV), which poses a major threat to food safety and security. Vaccine immunization has become the main means to prevent and control the disease. However, since 2011, a new PRV variant has caused huge economic losses to the Chinese pig industry. Panax notoginseng polysaccharides have immunomodulatory activity and other functions, but the antiviral effect has not been reported. We studied the anti-PRV activity of Panax notoginseng polysaccharides in vitro. A less cytopathic effect was observed by increasing the concentration of Panax notoginseng polysaccharides. Western blot, TCID50, plaque assay, and IFA revealed that Panax notoginseng polysaccharides could significantly inhibit the infectivity of PRV XJ5 on PK15 cells. In addition, we also found that Panax notoginseng polysaccharides blocked the adsorption and replication of PRV to PK15 cells in a dose-dependent manner. These results show that Panax notoginseng polysaccharides play an antiviral effect mainly by inhibiting virus adsorption and replication in vitro. Therefore, Panax notoginseng polysaccharides may be a potential anti-PRV agent.
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Qi H, Zhang Z, Liu J, Chen Z, Huang Q, Li J, Chen J, Wang M, Zhao D, Wang Z, Li X. Comparisons of Isolation Methods, Structural Features, and Bioactivities of the Polysaccharides from Three Common Panax Species: A Review of Recent Progress. Molecules 2021; 26:molecules26164997. [PMID: 34443587 PMCID: PMC8400370 DOI: 10.3390/molecules26164997] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/11/2021] [Accepted: 08/14/2021] [Indexed: 12/27/2022] Open
Abstract
Panax spp. (Araliaceae family) are widely used medicinal plants and they mainly include Panax ginseng C.A. Meyer, Panax quinquefolium L. (American ginseng), and Panax notoginseng (notoginseng). Polysaccharides are the main active ingredients in these plants and have demonstrated diverse pharmacological functions, but comparisons of isolation methods, structural features, and bioactivities of these polysaccharides have not yet been reported. This review summarizes recent advances associated with 112 polysaccharides from ginseng, 25 polysaccharides from American ginseng, and 36 polysaccharides from notoginseng and it compares the differences in extraction, purification, structural features, and bioactivities. Most studies focus on ginseng polysaccharides and comparisons are typically made with the polysaccharides from American ginseng and notoginseng. For the extraction, purification, and structural analysis, the processes are similar for the polysaccharides from the three Panax species. Previous studies determined that 55 polysaccharides from ginseng, 18 polysaccharides from American ginseng, and 9 polysaccharides from notoginseng exhibited anti-tumor activity, immunoregulatory effects, anti-oxidant activity, and other pharmacological functions, which are mediated by multiple signaling pathways, including mitogen-activated protein kinase, nuclear factor kappa B, or redox balance pathways. This review can provide new insights into the similarities and differences among the polysaccharides from the three Panax species, which can facilitate and guide further studies to explore the medicinal properties of the Araliaceae family used in traditional Chinese medicine.
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Affiliation(s)
- Hongyu Qi
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Zepeng Zhang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China; (Z.Z.); (M.W.)
- College of Acupuncture and Tuina, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Jiaqi Liu
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Zhaoqiang Chen
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Qingxia Huang
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China; (Z.Z.); (M.W.)
| | - Jing Li
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Jinjin Chen
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Mingxing Wang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China; (Z.Z.); (M.W.)
| | - Daqing Zhao
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
| | - Zeyu Wang
- Department of Scientific Research, Changchun University of Chinese Medicine, Changchun 130117, China
- Correspondence: (Z.W.); (X.L.)
| | - Xiangyan Li
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China; (H.Q.); (J.L.); (Z.C.); (Q.H.); (J.L.); (J.C.); (D.Z.)
- Correspondence: (Z.W.); (X.L.)
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You S, Shi X, Yu D, Zhao D, An Q, Wang D, Zhang J, Li M, Wang C. Fermentation of Panax notoginseng root extract polysaccharides attenuates oxidative stress and promotes type I procollagen synthesis in human dermal fibroblast cells. BMC Complement Med Ther 2021; 21:34. [PMID: 33446178 PMCID: PMC7807718 DOI: 10.1186/s12906-020-03197-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 12/22/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Panax notoginseng is one of the most valuable traditional Chinese medicines. Polysaccharides in P. notoginseng has been shown to significantly reduce the incidence of human diseases. However the application of fermentation technology in Panax notoginseng is not common, and the mechanism of action of P. notoginseng polysaccharides produced by fermentation is still unclear. The specific biological mechanisms of fermented P. notoginseng polysaccharides (FPNP) suppresses H2O2-induced apoptosis in human dermal fibroblast (HDF) and the underlying mechanism are not well understood. METHODS In this study, the effects of water extracted and fermentation on concentration of polysaccharides in P. notoginseng extracts were analyzed. After the H2O2-induced HDF model of oxidative damage was established, and then discussed by the expression of cell markers, including ROS, MDA, SOD, CAT, GSH-Px and MMP-1, COL-I, ELN, which were detected by related ELISA kits. The expression of TGF-β/Smad pathway markers were tested by qRT-PCR to determine whether FPNP exerted antioxidant activity through TGF-β signaling in HDF cells. RESULTS The polysaccharide content of Panax notoginseng increased after Saccharomyces cerevisiae CGMCC 17452 fermentation. In the FPNP treatment group, ROS and MDA contents were decreased, reversed the down-regulation of the antioxidant activity and expression of antioxidant enzyme (CAT, GSH-Px and SOD) induced by H2O2. Furthermore, the up-regulation in expression of TGF-β, Smad2/3 and the down-regulation in the expression of Smad7 in FPNP treated groups revealed that FPNP can inhibit H2O2-induced collagen and elastin injury by activating TGF-β/Smad signaling pathway. CONCLUSION It was shown that FPNP could inhibit the damage of collagen and elastin induced by H2O2 by activating the TGF-β/Smad signaling pathway, thereby protecting against the oxidative damage induced by hydrogen peroxide. FPNP may be an effective attenuating healing agent that protects the skin from oxidative stress and wrinkles.
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Affiliation(s)
- Shiquan You
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Xiuqin Shi
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Dan Yu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Dan Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Quan An
- Yunnan Baiyao Group Co., Ltd, Kunming, 650000, China
| | - Dongdong Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Jiachan Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Meng Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China.
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China.
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China.
| | - Changtao Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China.
- Chemistry and Materials Engineering, Beijing Technology and Business University, 11 Fucheng Road, Haidian District, Beijing, 100048, China.
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China.
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Wang Q, Xing N, Zhang Z, Peng D, Li Y, Wang X, Wang R, He Y, Zeng Y, Kuang H. Optimization of steaming process for polysaccharides from panax notoginseng by box-behnken response surface methodology and comparison of immunomodulatory effects of raw and steamed panax notoginseng polysaccharides. Pharmacogn Mag 2021. [DOI: 10.4103/pm.pm_42_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Structural characterization of a novel polysaccharide from Panax notoginseng residue and its immunomodulatory activity on bone marrow dendritic cells. Int J Biol Macromol 2020; 161:797-809. [DOI: 10.1016/j.ijbiomac.2020.06.117] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/10/2020] [Accepted: 06/11/2020] [Indexed: 12/15/2022]
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Li Y, Li S, He S, Yue Y, Ni Y. Structural analysis and antidiabetic activity study of three acidic-type polysaccharides from Crepis crocea (Lam.) Babc. Nat Prod Res 2020; 35:4988-4993. [PMID: 32364012 DOI: 10.1080/14786419.2020.1756805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
In this article, we analyzed the structures of three acidic hetero-chain polysaccharides (CTP3-B, CTP3-C, and CTP3-D) fractionated from the herb Crepis crocea (Lam.) Babc. by a combination of ethanol precipitation, dialysis and gel permeation chromatography. Three polysaccharides were all highly branched polysaccharide. KK-Ay mice were chosen to determine the hypoglycemic effect of CTP3. The anti-diabetic activity of CTP3 was explored in detail from the aspects of body weight, daily dietary intake, blood glucose level and oral glucose tolerance test (OGTT). It was found that the body weight and daily food intake of the high dose group were significantly decreased compared with the diabetic control group. In addition, there was significant decrease in the levels of blood glucose in the middle and high dose group. These results suggest that CTP3 had a regulative role in blood glucose level. CTP3 may be useful in the treatment of type 2 diabetes mellitus.
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Affiliation(s)
- Yuanyuan Li
- Institute of Chinese Medicine Formulae, Shanxi Institute of Traditional Chinese Medicine, Taiyuan, China
| | - Su Li
- Pharmacy Department, The People's Hospital of Lvliang, Lvliang, China
| | - Shilin He
- Institute of Chinese Medicine Formulae, Shanxi Institute of Traditional Chinese Medicine, Taiyuan, China
| | - Yonghua Yue
- Institute of Chinese Medicine Formulae, Shanxi Institute of Traditional Chinese Medicine, Taiyuan, China
| | - Yan Ni
- Institute of Chinese Medicine Formulae, Shanxi Institute of Traditional Chinese Medicine, Taiyuan, China
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Wang Q, Mu RF, Liu X, Zhou HM, Xu YH, Qin WY, Yang CR, Wang LB, Li HZ, Xiong WY. Steaming Changes the Composition of Saponins of Panax notoginseng (Burk.) F.H. Chen That Function in Treatment of Hyperlipidemia and Obesity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4865-4875. [PMID: 32306731 DOI: 10.1021/acs.jafc.0c00746] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Saponins of Panax notoginseng (Burk.) F.H. Chen have been classified as a type of composition in functional foods for numerous diseases. However, its mild effects and other characteristics limited clinical applications in diseases. Inspired by "nine steaming and nine processing" of P. notoginseng in traditional Chinese medicine, we developed a "steaming"-mimic protocol, which significantly changed the composition of saponins of P. notoginseng from the original, R1, Rg1, Re, Rb1, and Rd (raw-PNS), to the products after steaming, 20S/R-Rh1, Rk3, Rh4, 20S/R-Rg3, Rk1, and Rg5 (N-PNS). Surprisingly, N-PNS demonstrated promising activities in improving hyperlipidemia and reducing body weight and weight of white adipose tissue and the inhibition of adipogenesis in obese mice. In accordance with the results in vivo, N-PNS remarkably blunted adipogenesis at the early stage of differentiation dose-dependently in vitro. Moreover, we demonstrated that the activity may involve the adenosine monophosphate (AMP)-activated protein kinase (AMPK) signaling pathway by promoting phosphorylation of AMPKT172 and downregulating its downstream factors: sterol regulatory element binding protein 1c, stearoyl-CoA desaturase 1, and fatty acid synthase. Taken together, the steaming-induced eight compositions of saponins showed a very promising function in improving hyperlipidemia and obesity both in vivo and in vitro, providing fundamental evidence for future study and application in treatment of hyperlipidemia, obesity, and other lipid-related metabolic syndromes.
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Affiliation(s)
- Qian Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- University of the Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Rong-Fang Mu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- University of the Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xing Liu
- Center for Pharmaceutical Sciences, Faculty of Life Science and Technology, Kunming University of Science and Technology, Chenggong Campus, Kunming, Yunnan 650500, People's Republic of China
| | - Hui-Min Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- University of the Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yu-Hui Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- School of Basic Medical Sciences, Kunming Medical University, Kunming, Yunnan 650500, People's Republic of China
| | - Wan-Ying Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- University of the Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Chong-Ren Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- Center for Pharmaceutical Sciences, Faculty of Life Science and Technology, Kunming University of Science and Technology, Chenggong Campus, Kunming, Yunnan 650500, People's Republic of China
| | - Li-Bin Wang
- Biochip Research Center, The General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750001, People's Republic of China
| | - Hai-Zhou Li
- Center for Pharmaceutical Sciences, Faculty of Life Science and Technology, Kunming University of Science and Technology, Chenggong Campus, Kunming, Yunnan 650500, People's Republic of China
| | - Wen-Yong Xiong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, People's Republic of China
- Key Laboratory of Medicinal Chemistry for Natural Resource, Yunnan University, Kunming, Yunnan 650500, People's Republic of China
- Biochip Research Center, The General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750001, People's Republic of China
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Feng S, Cheng H, Xu Z, Feng S, Yuan M, Huang Y, Liao J, Ding C. Antioxidant and anti-aging activities and structural elucidation of polysaccharides from Panax notoginseng root. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.01.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Structure characterization and anti-leukemia activity of a novel polysaccharide from Angelica sinensis (Oliv.) Diels. Int J Biol Macromol 2019; 121:161-172. [DOI: 10.1016/j.ijbiomac.2018.09.213] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/27/2018] [Accepted: 09/30/2018] [Indexed: 12/17/2022]
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12
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Jahanbin K. Structural characterization of a new water-soluble polysaccharide isolated from Acanthophyllum acerosum roots and its antioxidant activity. Int J Biol Macromol 2018; 107:1227-1234. [DOI: 10.1016/j.ijbiomac.2017.09.100] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 09/03/2017] [Accepted: 09/25/2017] [Indexed: 10/18/2022]
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Shen S, Xu Z, Feng S, Wang H, Liu J, Zhou L, Yuan M, Huang Y, Ding C. Structural elucidation and antiaging activity of polysaccharide from Paris polyphylla leaves. Int J Biol Macromol 2018; 107:1613-1619. [DOI: 10.1016/j.ijbiomac.2017.10.026] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 09/05/2017] [Accepted: 10/05/2017] [Indexed: 01/23/2023]
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14
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Majee SK, Bera K, Raja W, Ghosh K, Ray S, Ray B. Structural highlights of an antioxidative arabinogalactan protein of Lannea grandis gum that stabilizes β -lactoglobulin. Food Hydrocoll 2016. [DOI: 10.1016/j.foodhyd.2016.06.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Wang T, Guo R, Zhou G, Zhou X, Kou Z, Sui F, Li C, Tang L, Wang Z. Traditional uses, botany, phytochemistry, pharmacology and toxicology of Panax notoginseng (Burk.) F.H. Chen: A review. JOURNAL OF ETHNOPHARMACOLOGY 2016; 188:234-58. [PMID: 27154405 DOI: 10.1016/j.jep.2016.05.005] [Citation(s) in RCA: 244] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 05/02/2016] [Accepted: 05/02/2016] [Indexed: 05/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Panax notoginseng (Burk.) F.H. Chen is a widely used traditional Chinese medicine known as Sanqi or Tianqi in China. This plant, which is distributed primarily in the southwest of China, has wide-ranging pharmacological effects and can be used to treat cardiovascular diseases, pain, inflammation and trauma as well as internal and external bleeding due to injury. AIMS OF THE REVIEW This paper provides up-to-date information on investigations of this plant, including its botany, ethnopharmacology, phytochemistry, pharmacology and toxicology. The possible uses and perspectives for future investigation of this plant are also discussed. MATERIALS AND METHODS The relevant information on Panax notoginseng (Burk.) F.H. Chen was collected from numerous resources, including classic books about Chinese herbal medicine, and scientific databases, including Pubmed, SciFinder, ACS, Ebsco, Elsevier, Taylor, Wiley and CNKI. RESULTS More than 200 chemical compounds have been isolated from Panax notoginseng (Burk.) F.H. Chen, including saponins, flavonoids and cyclopeptides. The plant has pharmacological effects on the cardiovascular system, immune system as well as anti-inflammatory, anti-atherosclerotic, haemostatic and anti-tumour activities, etc. CONCLUSIONS Panax notoginseng is a valuable traditional Chinese medical herb with multiple pharmacological effects. This review summarizes the botany, ethnopharmacology, phytochemistry, pharmacology and toxicology of P. notoginseng, and presents the constituents and their corresponding chemical structures found in P. notoginseng comprehensively for the first time. Future research into its phytochemistry of bio-active components should be performed by using bioactivity-guided isolation strategies. Further work on elucidation of the structure-function relationship among saponins, understanding of multi-target network pharmacology of P. notoginseng, as well as developing its new clinical usage and comprehensive utilize will enhance the therapeutic potentials of P. notoginseng.
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Affiliation(s)
- Ting Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Rixin Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Guohong Zhou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Xidan Zhou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Zhenzhen Kou
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Feng Sui
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Chun Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China
| | - Liying Tang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China.
| | - Zhuju Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Science, No. 16, Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China.
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Jiao R, Liu Y, Gao H, Xiao J, So KF. The Anti-Oxidant and Antitumor Properties of Plant Polysaccharides. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2016; 44:463-488. [DOI: 10.1142/s0192415x16500269] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Oxidative stress has been increasingly recognized as a major contributing factor in a variety of human diseases, from inflammation to cancer. Although certain parts of signaling pathways are still under investigation, detailed molecular mechanisms for the induction of diseases have been elucidated, especially the link between excessive oxygen reactive species (ROS) damage and tumorigenesis. Emerging evidence suggests anti-oxidant therapy can play a key role in treating those diseases. Among potential drug resources, plant polysaccharides are natural anti-oxidant constituents important for human health because of their long history in ethnopharmacology, wide availability and few side effects upon consumption. Plant polysaccharides have been shown to possess anti-oxidant, anti-inflammation, cell viability promotion, immune-regulation and antitumor functions in a number of disease models, both in laboratory studies and in the clinic. In this paper, we reviewed the research progress of signaling pathways involved in the initiation and progression of oxidative stress- and cancer-related diseases in humans. The natural sources, structural properties and biological actions of several common plant polysaccharides, including Lycium barbarum, Ginseng, Zizyphus Jujuba, Astragalus lentiginosus, and Ginkgo biloba are discussed in detail, with emphasis on their signaling pathways. All of the mentioned common plant polysaccharides have great potential to treat oxidative stress and cancinogenic disorders in cell models, animal disease models and clinical cases. ROS-centered pathways (e.g. mitochondrial autophagy, MAPK and JNK) and transcription factor-related pathways (e.g. NF-[Formula: see text]B and HIF) are frequently utilized by these polysaccharides with or without the further involvement of inflammatory and death receptor pathways. Some of the polysaccharides may also influence tumorigenic pathways, such as Wnt and p53 to play their anti-tumor roles. In addition, current problems and future directions for the application of those plant polysaccharides are also listed and discussed.
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Affiliation(s)
- Rui Jiao
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Yingxia Liu
- State Key Discipline of Infectious Diseases, Department of Infectious Diseases, Shenzhen Third People’s Hospital, Shenzhen, China
| | - Hao Gao
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Jia Xiao
- Department of Immunobiology, Institute of Tissue Transplantation and Immunology, Jinan University, Guangzhou, China
- State Key Discipline of Infectious Diseases, Department of Infectious Diseases, Shenzhen Third People’s Hospital, Shenzhen, China
- Department of Anatomy, The University of Hong Kong, Pokfulam, Hong Kong
| | - Kwok Fai So
- Department of Anatomy, The University of Hong Kong, Pokfulam, Hong Kong
- Department of Ophthalmology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- GMH Institute of Central Nervous System Regeneration, Jinan University, Guangzhou, China
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Feng S, Cheng H, Xu Z, Shen S, Yuan M, Liu J, Ding C. Thermal stress resistance and aging effects of Panax notoginseng polysaccharides on Caenorhabditis elegans. Int J Biol Macromol 2015; 81:188-94. [PMID: 26234580 DOI: 10.1016/j.ijbiomac.2015.07.057] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/11/2015] [Accepted: 07/29/2015] [Indexed: 01/03/2023]
Abstract
Panax notoginseng attract public attention due to their potential biomedical properties and corresponding health benefits. The present study investigated the anti-aging and thermal stress resistance effects of polysaccharides from P. notoginseng on Caenorhabditis elegans. Results showed polysaccharides had little scavenging ability of reactive oxygen species (ROS) in vitro, but significantly extended lifespan of C. elegans, especially the main root polysaccharide (MRP) which prolongs the mean lifespan of wild type worms by 21%. Further study demonstrated that the heat stress resistance effect of polysaccharides on C. elegans might be attributed to the elevation of antioxidant enzyme activities (both superoxide dismutase (SOD) and catalase (CAT)) and the reduction lipid peroxidation of malondialdehyde (MDA) level. Taken together, the results provided a scientific basis for the further exploitation of the mechanism of longer lifespan controlled by P. notoginseng polysaccharides on C. elegans. The P. notoginseng polysaccharides might be considered as a potential source to delay aging.
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Affiliation(s)
- Shiling Feng
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China
| | - Haoran Cheng
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Heidelberg 69120, Germany
| | - Zhou Xu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China
| | - Shian Shen
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China
| | - Ming Yuan
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China
| | - Jing Liu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China
| | - Chunbang Ding
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, PR China.
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Majee SK, Ray S, Ghosh K, Micard V, Ray B. Isolation and structural features of an antiradical polysaccharide of Capsicum annuum that interacts with BSA. Int J Biol Macromol 2015; 75:144-51. [DOI: 10.1016/j.ijbiomac.2015.01.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 12/18/2014] [Accepted: 01/12/2015] [Indexed: 11/28/2022]
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Zhang L, Deng W. Structure Characterization and Adhesive Ability of a Polysaccharide from Tendrils of Parthenocissus heterophylla. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400900430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In order to reveal the structure of the polysaccharide and its contribution to the biological adhesion system of Parthenocissus heterophylla, a water-soluble polysaccharide (PT-A) was isolated from tendrils using DEAE-cellulose and Sephadex G-100 columns. PT-A mainly consisted of a backbone of (1→3)-linked-β-D-Galp residues and substituted at O-6 with side chains of (1→5)-linked-α-L-Ara f residues and glucomannopyranosyl residues. Individual polysaccharide chains of PT-A with the approximately height of 0.75 nm were observed by AFM. The analysis of force curves indicated that PT-A was a kind of elastic polysaccharide with a maximum adhesion force of 279.98 nN, which could be applied as a potential bio-adhesive.
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Affiliation(s)
- Li Zhang
- College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wenli Deng
- College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
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Xu DH, Huang YS, Jiang DQ, Yuan K. The essential oils chemical compositions and antimicrobial, antioxidant activities and toxicity of three Hyptis species. PHARMACEUTICAL BIOLOGY 2013; 51:1125-1130. [PMID: 23763698 DOI: 10.3109/13880209.2013.781195] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
CONTEXT Hyptis suaveolens (Linn.) Poit., Hyptis rhomboidea Mart. et Gal., and Hyptis brevipes Poit., are three species of Hyptis Jacq. (Lamiaceae). Hyptis suaveolens is used for the treatment of fever, headache, gastrointestinal bloating and rheumatism in the traditional folk medicine; Hyptis rhomboidea for hepatitis, ulcer and swollen poison; and Hyptis brevipes for asthma and malaria. OBJECTIVE To characterize chemical compositions of the oils from three Hyptis species and evaluate their potential antimicrobial, radical scavenging activities and toxicities against brine shrimp. MATERIALS AND METHODS The oils were obtained by hydrodistillation, and their chemical compositions were investigated by gas chromatography-mass spectrometry (GC-MS). Minimum inhibitory concentrations (MICs) were determined using the tube double-dilution technique. The antioxidant activities were investigated using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay and toxicities by the brine shrimp bioassay. RESULTS Forty-seven, 33 and 28 constituents of oils isolated, respectively, from H. suaveolens, H. rhomboidea and H. brevipes were identified. Among the essential oils, the strongest antioxidant activity was exhibited by H. brevipes with an SC₅₀ value of 2.019 ± 0.25 μg mL⁻¹. The H. brevipes oil exhibited the strongest antimicrobial activity (3.125-6.25 μg mL⁻¹) on pathogens employed in the assay. They all showed significant toxicities with median lethal concentration (LC₅₀) values of 62.2 ± 3.07 μg mL⁻¹, 65.9 ± 6.55 μg mL⁻¹ and 60.8 ± 9.04 μg mL⁻¹, respectively. DISCUSSION AND CONCLUSIONS The three Hyptis species oils possess strong antimicrobial activities and toxicities. Hyptis rhomboidea and H. brevipes showed considerable antioxidant activity compared to the positive control.
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Affiliation(s)
- Dian-Hong Xu
- The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang Agriculture and Forestry University, Lin'an, China
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Du QQ, Liu SY, Xu RF, Li M, Song FR, Liu ZQ. Studies on structures and activities of initial Maillard reaction products by electrospray ionisation mass spectrometry combined with liquid chromatography in processing of red ginseng. Food Chem 2012; 135:832-8. [DOI: 10.1016/j.foodchem.2012.04.126] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Revised: 02/15/2012] [Accepted: 04/23/2012] [Indexed: 12/21/2022]
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22
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Jahanbin K, Gohari AR, Moini S, Emam-Djomeh Z, Masi P. Isolation, structural characterization and antioxidant activity of a new water-soluble polysaccharide from Acanthophyllum bracteatum roots. Int J Biol Macromol 2011; 49:567-72. [DOI: 10.1016/j.ijbiomac.2011.06.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 05/24/2011] [Accepted: 06/09/2011] [Indexed: 10/18/2022]
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Hu C, Kong Q, Yang D, Pan Y. Isolation and structural characterization of a novel galactomannan from Eremurus anisopterus (Ker. et Kir) Regel roots. Carbohydr Polym 2011. [DOI: 10.1016/j.carbpol.2010.11.054] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Choi RCY, Jiang Z, Xie HQ, Cheung AWH, Lau DTW, Fu Q, Dong TT, Chen J, Wang Z, Tsim KWK. Anti-oxidative effects of the biennial flower of Panax notoginseng against H2O2-induced cytotoxicity in cultured PC12 cells. Chin Med 2010; 5:38. [PMID: 21029415 PMCID: PMC2978211 DOI: 10.1186/1749-8546-5-38] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Accepted: 10/28/2010] [Indexed: 11/29/2022] Open
Abstract
Background Radix notoginseng is used in Chinese medicine to improve blood circulation and clotting; however, the pharmacological activities of other parts of Panax notoginseng have yet to be explored. The present study reports the anti-oxidative effects of various parts of Panax notoginseng. Methods Various parts of Panax notoginseng, including the biennial flower, stem-leaf, root-rhizome, fiber root and sideslip, were used to prepare extracts and analyzed for their anti-oxidation effects, namely suppressing xanthine oxidase activity, H2O2-induced cytotoxicity and H2O2-induced ROS formation. Results Among various parts of the herb (biennial flower, stem-leaf, root-rhizome, fiber root and sideslip), the water extract of the biennial flower showed the strongest effects in (i) inhibiting the enzymatic activity of xanthine oxidase and (ii) protecting neuronal PC12 cells against H2O2-induced cytotoxicity. Only the water extracts demonstrated such anti-oxidative effects while the ethanol extracts did not exert significant effects in suppressing xanthine oxidase and H2O2-induced neuronal cytotoxicity. Conclusions The present study demonstrates the biennial flower of Panax notoginseng to have neuroprotection effect on cultured neurons and the underlying protection mechanism may involve anti-oxidation.
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Affiliation(s)
- Roy Chi-Yan Choi
- Center for Chinese Medicine and Department of Biology, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.
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Wu Y, Wang D. A new class of natural glycopeptides with sugar moiety-dependent antioxidant activities derived from Ganoderma lucidum fruiting bodies. J Proteome Res 2009; 8:436-42. [PMID: 18989955 PMCID: PMC2656399 DOI: 10.1021/pr800554w] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A water-soluble glycopeptide (PGY), fractionated and purified from the aqueous extract of the fruiting bodies of Ganoderma lucidum via two-step dialysis, anion exchange, and gel permeation chromatography, was constituted of two moieties of carbohydrate and peptide. Carbohydrate characterization with component analysis, methylation analysis, periodate oxidation, Smith degradation, enzymic hydrolysis, and IR and NMR experiments demonstrated that the carbohydrate moiety possessed a backbone of approximately 33 (1-->3)-linked beta-d-glucopyranosyl residues and side chains, at positions 6, of single alpha-l-arabinofuranosyl residues for every three Glcp residues in the main chain. On the basis of the results of amino acid composition and trypsin digestion, the peptide moiety, shown to consist of Arg, Ser, Ala, and Gly in a ratio of 1:1:2:2, exhibited the sequence of Ser-Arg-[(Ala)2(Gly)2] and was O-attached to the carbohydrate moiety via Ser. To contribute toward our understanding of the structure-activity relationship, a series of expected derivatives generated from PGY by trypsin digestion, debranching, and NaIO4 oxidation following reduction experiments, including PTC, DB-PGY, and PPP, were obtained. All of them, as well as PGY and a reference compound (butylated hydroxytoluene, BHT), were evaluated with two conventional antioxidant testing systems of 1,1-diphenyl-2-picrylhydrazyl (DPPH) and superoxide radical scavenging and found to have their respective antioxidant activities in a concentration-dependent manner. Comparable radical-scavenging activities observed between PTC and PGY demonstrated that the removal of Ala and Gly in a peptide moiety did not result in the variation of biological functions of PGY. However, it was very interesting to note that the scavenging activity of PPP was higher for DPPH radicals, with an SC(50) value of 116.4 +/- 5.1 microg/mL, and lower for superoxide radicals, with an SC(50) value of 205.2 +/- 14.4 microg/mL, than that of PGY with corresponding SC(50) values of 133.5 +/- 5.5 and 140.5 +/- 7.7 microg/mL, and, moreover, DB-PGY displayed the weakest scavenging potency in the tested samples, indicating that the carbohydrate moiety, in particular the side chain of nonreducing end units of Araf residues as the functional region, played a vital role in the structure and antioxidant activity. In addition, compared with the SC(50) value of BHT, PGY showed lower DPPH radical-scavenging activity but possessed higher superoxide radical-quenching potency, suggesting that it could be presented as a possible new source of natural antioxidants.
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Affiliation(s)
- Yalin Wu
- Department of Ophthalmology, Columbia University, New York, New York 10032, USA.
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