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Fan P, Zhang S, Wang Y, Li T, Zhang H, Zhang P, Huang S. Nanopore analysis of salvianolic acids in herbal medicines. Nat Commun 2024; 15:1970. [PMID: 38443335 PMCID: PMC10915175 DOI: 10.1038/s41467-024-45543-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 01/24/2024] [Indexed: 03/07/2024] Open
Abstract
Natural herbs, which contain pharmacologically active compounds, have been used historically as medicines. Conventionally, the analysis of chemical components in herbal medicines requires time-consuming sample separation and state-of-the-art analytical instruments. Nanopore, a versatile single molecule sensor, might be suitable to identify bioactive compounds in natural herbs. Here, a phenylboronic acid appended Mycobacterium smegmatis porin A (MspA) nanopore is used as a sensor for herbal medicines. A variety of bioactive compounds based on salvianolic acids, including caffeic acid, protocatechuic acid, protocatechualdehyde, salvianic acid A, rosmarinic acid, lithospermic acid, salvianolic acid A and salvianolic acid B are identified. Using a custom machine learning algorithm, analyte identification is performed with an accuracy of 99.0%. This sensing principle is further used with natural herbs such as Salvia miltiorrhiza, Rosemary and Prunella vulgaris. No complex sample separation or purification is required and the sensing device is highly portable.
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Affiliation(s)
- Pingping Fan
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China
| | - Shanyu Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China
| | - Yuqin Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023, Nanjing, China
- Institute for the Environment and Health, Nanjing University Suzhou Campus, 215163, Suzhou, China
| | - Tian Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China
| | - Hanhan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China
| | - Panke Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China
| | - Shuo Huang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023, Nanjing, China.
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Wu L, Gong X, Qu H. An optimization strategy for charged aerosol detection to linearize the detector response in the multicomponent quantitative analysis of Qishen Yiqi dripping pills. J Sep Sci 2024; 47:e2300784. [PMID: 38286734 DOI: 10.1002/jssc.202300784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/13/2023] [Accepted: 12/25/2023] [Indexed: 01/31/2024]
Abstract
Charged aerosol detection, increasingly recognized for quantifying pharmaceutical compounds with weak ultraviolet absorption, is a universal detection technique for high-performance liquid chromatography (HPLC). Charged aerosol detection shows a non-linear response with increasing analyte concentration over a wide range, limiting its versatility in various analytical applications. In this work, a co-optimization strategy for power function value (PFV) and power laws was proposed and applied to broaden the linear range of the standard curve of saccharides in Qishen Yiqi dripping pills using the HPLC-charged aerosol detection (HPLC-CAD) method. Power function values for all analytes were optimized based on empirical models. Subsequently, the optimum power laws were investigated based on a preferred PFV. Additionally, various regression equations were evaluated to ensure the accuracy and precision of the results. With the optimized PFV and power law, the ordinary least squares model demonstrated a satisfactory fit. The optimal PFVs and power laws expanded the standard curve's linear range by 2.7 times compared to default settings, reducing model uncertainty. This paper presents a vital method for developing a multi-component quantitative HPLC-CAD approach without external data transformation outside the provided software, especially suitable for analytical applications of traditional Chinese medicine with significant quality differences.
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Affiliation(s)
- Linlin Wu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, P. R. China
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, P. R. China
| | - Xingchu Gong
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, P. R. China
| | - Haibin Qu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, P. R. China
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3
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Yang WH, Hao JW, Chen ND, Li J. Development of a joint derivatization protocol for the unequivocal identification of the monosaccharide composition in four dendrobium polysaccharides and free monosaccharide by GC-MS. Biomed Chromatogr 2023; 37:e5743. [PMID: 37700561 DOI: 10.1002/bmc.5743] [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: 03/25/2023] [Revised: 08/02/2023] [Accepted: 08/23/2023] [Indexed: 09/14/2023]
Abstract
The determination of monosaccharides is crucial for studying the structure of polysaccharides and the composition of free monosaccharides in living organisms. Based on previous derivatization gas chromatography-mass spectrometry (GC-MS) methods, we aimed to develop a novel analytical protocol for better quantifying monosaccharides. In this study, sugar alcohol acetylation, saccharonitrile acetylation, silylation and a combination of sugar alcohols acetylation and saccharonitrile acetylation were compared. The optimal method was verified with the monosaccharide determination of four polysaccharides and four free monosaccharides from Dendrobium. The results showed that the novel combined derivatization method was superior to the other three methods in terms of content analysis of monosaccharides. Furthermore, it possessed good linearity (all calibration curves showed relative coefficients ≥ 0.999), sensitivity, precision (relative standard deviation < 2%), and accuracy (recovery, 95.7-105%). Finally, the novel method established in this study was successfully employed in determining the monosaccharide composition of four polysaccharides and four free monosaccharide samples from Dendrobium.
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Affiliation(s)
- Wei-Han Yang
- College of Biothchnology and Pharmaceutical Engineering, West Anhui University, Lu'an, China
- College of Pharmacy, Anhui University of Chinese Medicine, He'fei, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resource, Lu'an, China
| | - Jing-Wen Hao
- College of Biothchnology and Pharmaceutical Engineering, West Anhui University, Lu'an, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resource, Lu'an, China
| | - Nai-Dong Chen
- College of Biothchnology and Pharmaceutical Engineering, West Anhui University, Lu'an, China
- College of Pharmacy, Anhui University of Chinese Medicine, He'fei, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resource, Lu'an, China
| | - Jiao Li
- College of Biothchnology and Pharmaceutical Engineering, West Anhui University, Lu'an, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resource, Lu'an, China
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Corrado A, De Martino M, Bordoni V, Giannini S, Rech F, Cianetti S, Berti F, Magagnoli C, De Ricco R. A universal UHPLC-CAD platform for the quantification of polysaccharide antigens. Sci Rep 2023; 13:10646. [PMID: 37391501 PMCID: PMC10313704 DOI: 10.1038/s41598-023-37832-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/28/2023] [Indexed: 07/02/2023] Open
Abstract
Several glycoconjugate-based vaccines against bacterial infections have been developed and licensed for human use. Polysaccharide (PS) analysis and characterization is therefore critical to profile the composition of polysaccharide-based vaccines. For PS content quantification, the majority of Ultra High Performance Liquid Chromatography (UHPLC) methods rely on the detection of selective monosaccharides constituting the PS repeating unit, therefore requiring chemical cleavage and tailored development: only a few methods directly quantify the intact PS. The introduction of charged aerosol detector (CAD) technology has improved the response of polysaccharide analytes, offering greater sensitivity than other detector sources (e.g., ELSD). Herein, we report the development of a universal UHPLC-CAD method (UniQS) for the quantification and quality evaluation of polysaccharide antigens (e.g., Streptococcus Pneumoniae, Neisseria meningitidis and Staphylococcus aureus). This work laid the foundation for a universal UHPLC-CAD format that could play an important role in future vaccine research and development helping to reduce time, efforts, and costs.
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Affiliation(s)
- A Corrado
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - M De Martino
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - V Bordoni
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - S Giannini
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - F Rech
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - S Cianetti
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - F Berti
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - C Magagnoli
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy
| | - R De Ricco
- Technical R&D, GSK Via Fiorentina, 1, Siena, Italy.
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Guru PR, Kar RK, Nayak AK, Mohapatra S. A comprehensive review on pharmaceutical uses of plant-derived biopolysaccharides. Int J Biol Macromol 2023; 233:123454. [PMID: 36709807 DOI: 10.1016/j.ijbiomac.2023.123454] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 01/27/2023]
Abstract
Biopolysaccharides extracted from plants are mainly photosynthetic byproducts found in leaves, pods, stems, fruits, grains, seeds, corms, rhizomes, roots, bark exudates, and other plant parts. Recently, these plant-derived biopolysaccharides have received a great deal of attention as pharmaceutical excipients in a range of different dosage forms because of several key advantages, such as widespread accessibility from nature as plant-based sources are readily available, sustainable production, availability of easy and cost-effective extraction methodologies, aqueous solubility, swelling capability in the aqueous medium, non-toxicity, biodegradability, etc. The current review presents a comprehensive overview of the uses of plant-derived biopolysaccharides as effective pharmaceutical excipients in the formulations of different kinds of dosage forms, for example gels, pastes, films, emulsions, suspensions, capsules, tablets, nanoparticles, microparticles, beads, buccal formulations, transdermal formulations, ocular formulations, nasal formulations, etc.
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Affiliation(s)
- Pravat Ranjan Guru
- Department of Pharmaceutics, Dadhichi College of Pharmacy, Vidya Vihar, Sundargram, Cuttack 754002, Odisha, India
| | - Rajat Kumar Kar
- Department of Pharmaceutics, Dadhichi College of Pharmacy, Vidya Vihar, Sundargram, Cuttack 754002, Odisha, India
| | - Amit Kumar Nayak
- Department of Pharmaceutics, Seemanta Institute of Pharmaceutical Sciences, Jharpokharia, Mayurbhanj 757086, Odisha, India.
| | - Snehamayee Mohapatra
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar 751003, Odisha, India.
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Zhao H, Wang L, Yu Y, Yang J, Zhang X, Zhao Z, Ma F, Hu M, Wang X. Comparison of Lycium barbarum fruits polysaccharide from different regions of China by acidic hydrolysate fingerprinting-based HILIC-ELSD-ESI-TOF-MS combined with chemometrics analysis. PHYTOCHEMICAL ANALYSIS : PCA 2023; 34:186-197. [PMID: 36450654 DOI: 10.1002/pca.3192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
INTRODUCTION Lycium barbarum is an edible fruit widely used in herbal medicines and as a functional food. Polysaccharide is one of the most important active ingredients. Only L. barbarum grown in the Ningxia region of China are officially recognised as suitable for use in traditional Chinese medicine, but the systematic comparison of L. barbarum polysaccharide between Ningxia and the other growing regions of China has been rarely reported. OBJECTIVE To compare the difference of L. barbarum polysaccharide from different grown regions of China. METHODS A chemical fingerprint of L. barbarum polysaccharide hydrolysates was established based on controlled acidolysis combined with hydrophilic interaction liquid chromatography-evaporative light scattering detection-electrospray ionisation-time-of-flight-mass spectrometry (HILIC-ELSD-ESI-TOF-MS). Then, it was employed for the comparison of L. barbarum samples from different geographical origins of China combined with chemometrics analysis. RESULTS Six monosaccharides [rhamnose (Rha), xylose (Xyl), arabinose (Ara), mannose (Man), glucose (Glu), galactose (Gal)] were qualitatively and quantitatively determined and four glycoconjugates were preliminarily identified from the hydrolysates. Content determination for the polysaccharide and monosaccharide indicated obvious geographical features. The HILIC-ELSD fingerprint combined with partial least squares-discriminant analysis (PLS-DA) was able to differentiate L. barbarum samples from Ningxia, Xinjiang, Gansu and Qinghai regions with 89.19% classification accuracy. Orthogonal projection to latent structure discriminant analysis (OPLS-DA) was able to differentiate between samples from Ningxia and those from the other three growing regions, polysaccharide and Ara were the potential chemical markers. CONCLUSIONS These findings form the basis of a reliable method to trace the region of origin of L. barbarum sample and thereby, improve the quality control of L. barbarum therapeutic polysaccharides.
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Affiliation(s)
- Hengqiang Zhao
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Centre, Qilu University of Technology (Shandong Academy of Sciences), Jinan, P. R. China
- School of Pharmaceutical Sciences, Qilu University Of Technology (Shandong Academy of Sciences), Jinan, P. R. China
| | - Ling Wang
- National Resource Centre for Chinese Materia Medica, China Academy of Chinese Medical Sciences, State Key Laboratory Breeding Base of Dao-di Herbs, Beijing, P. R. China
| | - Yi Yu
- Infinitus (China) Company Ltd., Guangzhou, P.R. China
| | - Jian Yang
- National Resource Centre for Chinese Materia Medica, China Academy of Chinese Medical Sciences, State Key Laboratory Breeding Base of Dao-di Herbs, Beijing, P. R. China
| | - Xiaobo Zhang
- National Resource Centre for Chinese Materia Medica, China Academy of Chinese Medical Sciences, State Key Laboratory Breeding Base of Dao-di Herbs, Beijing, P. R. China
| | - Zhiguo Zhao
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Centre, Qilu University of Technology (Shandong Academy of Sciences), Jinan, P. R. China
- School of Pharmaceutical Sciences, Qilu University Of Technology (Shandong Academy of Sciences), Jinan, P. R. China
| | - Fangli Ma
- Infinitus (China) Company Ltd., Guangzhou, P.R. China
| | - Minghua Hu
- Infinitus (China) Company Ltd., Guangzhou, P.R. China
| | - Xiao Wang
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Centre, Qilu University of Technology (Shandong Academy of Sciences), Jinan, P. R. China
- School of Pharmaceutical Sciences, Qilu University Of Technology (Shandong Academy of Sciences), Jinan, P. R. China
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Rosdan Bushra SM, Nurul AA. Bioactive mushroom polysaccharides: The structure, characterization and biological functions. J LIQ CHROMATOGR R T 2023. [DOI: 10.1080/10826076.2023.2182317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
| | - Asma Abdullah Nurul
- School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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Pu Z, Chen X, Dong B, Ma P, Li X. Multiple approaches to characterize and visualize the chemical composition of Sijunzi Decoction comprehensively. J Sep Sci 2023; 46:e2200737. [PMID: 36807552 DOI: 10.1002/jssc.202200737] [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: 09/11/2022] [Revised: 01/03/2023] [Accepted: 01/24/2023] [Indexed: 02/23/2023]
Abstract
Sijunzi Decoction is composed of Ginseng Radix et Rhizoma, Atractylodes Macrocephalae Rhizoma, Poria, and Glycyrrhizae Radix Et Rhizoma Praeparata Cum Melle, and it is a classic formula for treating spleen deficiency syndrome in Chinese medicine. Clarifying the active substances is an effective way to develop Traditional Chinese medicine and innovative medicines. Carbohydrates, proteins, amino acids, saponins, flavonoids, phenolic acids, and inorganic elements in the decoction were analyzed by multiple approaches. A molecular network was also used for visualizing the ingredients in Sijunzi Decoction, and representative components were also quantified. The detected components accounted for 74.544% of the Sijunzi Decoction freeze-dried powder, including 41.751% crude polysaccharides, 17.826% sugars (degree of polymerization 1-2), 8.181% total saponins, 2.427% insoluble precipitates, 2.154% free amino acids, 1.177% total flavonoids, 0.546% total phenolic acids, and 0.483% inorganic elements. Molecular network and quantitative analysis used to characterize the chemical composition of Sijunzi Decoction. The present study systematically characterized the constituents of Sijunzi Decoction, revealed the composition ratio of each type of constituent, and provided a reference for study on the substance basis of other Chinese medicine.
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Affiliation(s)
- Zongjin Pu
- Traditional Chinese medicine Genomics Laboratory, School of Pharmacy, Shanghai Jiao Tong University, Minhang, Shanghai, P. R. China
| | - Xiaonan Chen
- Traditional Chinese medicine Genomics Laboratory, School of Pharmacy, Shanghai Jiao Tong University, Minhang, Shanghai, P. R. China
| | - Bangjian Dong
- Traditional Chinese medicine Genomics Laboratory, School of Pharmacy, Shanghai Jiao Tong University, Minhang, Shanghai, P. R. China
| | - Ping Ma
- Traditional Chinese medicine Genomics Laboratory, School of Pharmacy, Shanghai Jiao Tong University, Minhang, Shanghai, P. R. China
| | - Xiaobo Li
- Traditional Chinese medicine Genomics Laboratory, School of Pharmacy, Shanghai Jiao Tong University, Minhang, Shanghai, P. R. China
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Deng Y, Zhao J, Li S. Quantitative estimation of enzymatic released specific oligosaccharides from Hericium erinaceus polysaccharides using CE-LIF. J Pharm Anal 2023; 13:201-208. [PMID: 36908854 PMCID: PMC9999295 DOI: 10.1016/j.jpha.2022.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 11/25/2022] Open
Abstract
Polysaccharides exhibit multiple pharmacological activities which are closely related to their structural features. Therefore, quantitatively quality control of polysaccharides based on their chemical characteristics is important for their application in biomedical and functional food sciences. However, polysaccharides are mixed macromolecular compounds that are difficult to isolate and lack standards, making them challenging to quantify directly. In this study, we proposed an improved saccharide mapping method based on the release of specific oligosaccharides for the assessment of Hericium erinaceus polysaccharides from laboratory cultured and different regions of China. Briefly, a polysaccharide from H. erinaceus was digested by β-(1-3)-glucanase, and the released specific oligosaccharides were labeled with 8-aminopyrene-1,3,6-trisulfonic-acid (APTS) and separated by using micellar electrokinetic chromatography (MEKC) coupled with laser induced fluorescence (LIF), and quantitatively estimated. MEKC presented higher resolution compared to polysaccharide analysis using carbohydrate gel electrophoresis (PACE), and provided great peak capacity between oligosaccharides with polymerization degree of 2 (DP2) and polymerization degree of 6 (DP6) in a dextran ladder separation. The results of high performance size exclusion chromatography coupled with multi-angle laser light scattering and refractive index detector (HPSEC-MALLS-RI) showed that 12 h was sufficient for complete digestion of polysaccharides from H. erinaceus. Laminaritriose (DP3) was used as an internal standard for quantification of all the oligosaccharides. The calibration curve for DP3 showed a good linear regression (R 2 > 0.9988). The limit of detection (LOD) and limit of quantification (LOQ) values were 0.05 μg/mL and 0.2 μg/mL, respectively. The recovery for DP3 was 87.32 (±0.03)% in the three independent injections. To sum up, this proposed method is helpful for improving the quality control of polysaccharides from H. erinaceus as well as other materials.
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Affiliation(s)
- Yong Deng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, 999078, China.,Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, 999078, China.,Macao Centre for Testing of Chineese Medicine, University of Macau, Macao SAR, 999078, China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, 999078, China.,Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, 999078, China.,Macao Centre for Testing of Chineese Medicine, University of Macau, Macao SAR, 999078, China
| | - Shaoping Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, 999078, China.,Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, 999078, China.,Macao Centre for Testing of Chineese Medicine, University of Macau, Macao SAR, 999078, China
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HPTLC-based fingerprinting: An alternative approach for fructooligosaccharides metabolism profiling. Curr Res Food Sci 2023; 6:100451. [PMID: 36798949 PMCID: PMC9925861 DOI: 10.1016/j.crfs.2023.100451] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/09/2023] [Accepted: 01/30/2023] [Indexed: 02/01/2023] Open
Abstract
Fructans are categorized as fructose-based metabolites with no more than one glucose in their structure. Agave species possess a mixture of linear and ramified fructans with different degrees of polymerization. Among them, fructooligosaccharides are fructans with low degree of polymerization which might be approachable by high performance thin layer chromatography (HPTLC). Thus, this study used two emblematic Agave species collected at different ages as models to explore the feasibility of HPTLC-based fingerprinting to characterize fructooligosaccharides (FOS) production, accumulation, and behavior through time. To do so, high performance anion exchange was also used as analytical reference to determine the goodness and robustness of HPTLC data. The multivariate data analysis showed separation of samples dictated by species and age effects detected by both techniques. Moreover, linear correlations between the increase of the age in agave and their carbohydrate fraction was established in both species by both techniques. Oligosaccharides found to be correlated to species and age factors, these suggest changes in specific carbohydrate metabolism enzymes. Thus, HPTLC was proven as a complementary or stand-alone fingerprinting platform for fructooligosaccharides characterization in biological mixtures. However, the type of derivatizing reagent and the extraction color channel determined the goodness of the model used to scrutinize agavin fructooligosaccharides (aFOS).
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Characterization and Comparison of Bioactive Polysaccharides from Grifola frondosa by HPSEC-MALLS-RID and Saccharide Mapping Based on HPAEC-PAD. Polymers (Basel) 2022; 15:polym15010208. [PMID: 36616557 PMCID: PMC9824690 DOI: 10.3390/polym15010208] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Grifola frondosa polysaccharides (GFPs) from different regions in China were characterized and compared using HPSEC-MALLS-RID and saccharide mapping based on HPAEC-PAD analysis for achieving and improving its quality control. The results showed that HPSEC chromatograms and molecular weight distributions of GFPs were similar. The average contents of each polysaccharide fraction (Peaks 1, 2, and 3) showed that Peak 3 was the main component and much higher than the other two polysaccharide fractions, which also contained protein. The result of saccharide mapping showed that α-1,4-glycosidic, β-1,4-glycosidic and few β-1,3-glycosidic linkages were existed in GFPs. The similarity result showed that HPAEC-PAD fingerprints of the oligosaccharide fragments after hydrolysis by endoglycosidase were certainly different, especially α-amylase with a mean similar index of only 0.781 ± 0.207. The result of hierarchical cluster analysis (HCA) showed that different batches of GFPs from China can be divided into different clusters. Furthermore, immune-enhancing activity based on RAW 264.7 cells showed significant differences among different GFPs. Based on grey relational analysis (GRA), the fractions of Peak 3 were regarded as the major contributors to its immuno-enhancing activity in GFPs. Overall, the implications from these results were found to be stable, comprehensive, and valid for improving the quality control of GFPs.
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Xu X, Li Z, Meng Y, Ma Q, Liu C, Zhang P, Chen K. Structural characterization and immunomodulatory activity of an acidic heteropolysaccharide isolated from the fermented burdock residue mediated by Rhizopus nigricans. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Traditional processing increases biological activities of Dendrobium offificinale Kimura et. Migo in Southeast Yunnan, China. Sci Rep 2022; 12:14814. [PMID: 36045147 PMCID: PMC9433373 DOI: 10.1038/s41598-022-17628-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 07/28/2022] [Indexed: 12/28/2022] Open
Abstract
The orchid Dendrobium officinale grows throughout southeast China and southeast Asian countries and is used to treat inflammation and diabetes in traditional Chinese medicine. Tie pi feng dou is a well-known traditional Chinese medicine made from the dried D. officinale stems. Processing alters the physicochemical properties of TPFD; however, it is unclear how processing affects the quality and medicinal value of this plant. Here, we analyzed and compared the chemical composition of fresh stems of D. officinale and TPFD and explored possible explanations for the enhanced medicinal efficacy of processed D. officinale stems using qualitative and quantitative methods. To identify the components of FSD and TPFD, we used ultra-high-performance liquid chromatography combined with mass spectrometry in negative and positive ion modes and interpreted the data using the Human Metabolome Database and multivariate statistical analysis. We detected 23,709 peaks and identified 2352 metabolites; 370 of these metabolites were differentially abundant between FSD and TPFD (245 more abundant in TPFD than in FSD, and 125 less abundant), including organooxygen compounds, prenol lipids, flavonoids, carboxylic acids and their derivatives, and fatty acyls. Of these, 43 chemical markers clearly distinguished between FSD and TPFD samples, as confirmed using orthogonal partial least squares discriminant analysis. A pharmacological activity analysis showed that, compared with FSD, TPFD had significantly higher levels of some metabolites with anti-inflammatory activity, consistent with its use to treat inflammation. In addition to revealing the basis of the medicinal efficacy of TPFD, this study supports the benefits of the traditional usage of D. officinale.
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Recent advances in qualitative and quantitative analysis of polysaccharides in natural medicines: A critical review. J Pharm Biomed Anal 2022; 220:115016. [PMID: 36030753 DOI: 10.1016/j.jpba.2022.115016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 11/20/2022]
Abstract
Polysaccharides from natural medicines, being safe and effective natural mixtures, show great potential to be developed into botanical drugs. However, there is yet one polysaccharide-based case that has fulfilled the Botanical Guidance definition of a botanical drug product. One of the reasons is the analytical methods commonly used for qualitative and quantitative analysis of polysaccharides fall far behind the quality control criteria of botanical drugs. Here we systemically reviewed the recent advances in analytical methods. A critical evaluation of the strength and weaknesses of these methods was provided, together with possible solutions to the difficulties. Mass spectrometry with or without robust chromatographic separation was increasingly employed. And scientists have made significant progress in simplifying polysaccharide quantification by depolymerizing it into oligosaccharides. This oligosaccharides-based strategy is promising for qualitative and quantitative analysis of polysaccharides. And continuous efforts are still needed to develop a standardized quality control method that is specific, accurate, repeatable, and applicable for analyzing individual components in natural medicine formulas.
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Separation of Monosaccharide Anomers on Photo-Click Cysteine-Based Stationary Phase: The α/β Interconversion Process Studied by Dynamic Hydrophilic Liquid Chromatography. SEPARATIONS 2022. [DOI: 10.3390/separations9080203] [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 High-Performance Liquid Chromatography (HPLC), the separation of reducing sugars can typically show three possible typologies of chromatographic profiles (i.e., single peak, two resolved peaks and two peaks interconnected by a plateau) due to the rate at which the relevant α/β anomers interconversion (anomerization) can take place in relation to their elution-time. By analyzing these chromatographic profiles, thermodynamic and kinetic properties of anomerization phenomenon can be extrapolated. In this work we studied the anomerization of some monosaccharides by using a recently developed photo-click cysteine-based stationary phase through dynamic hydrophilic interaction liquid chromatography (D-HILIC) conditions. In the 5–25 °C temperature range, the ΔG#α→β and ΔG#β→α barriers were found to achieve values within the interval 21.1/22.2 kcal/mol for glucose, with differences between α→β and β→α reactions of about 0.4 kcal/mol. For xylose, in the same temperature range, the ΔG#α→β and ΔG#β→α barriers are between 20.7 to 21.5 kcal/mol, with differences between α→β and β→α reactions of about 0.2 kcal/mol. The experimental data are in agreement with those reported in literature, confirming the this new stationary phase using HILIC conditions is a robust platform to measure kinetic and thermodynamic properties of the isomerization reaction.
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16
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Zheng S, Wang Y, Wu J, Wang S, Wei H, Zhang Y, Zhou J, Shi Y. Critical Quality Control Methods for a Novel Anticoagulant Candidate LFG-Na by HPSEC-MALLS-RID and Bioactivity Assays. Molecules 2022; 27:molecules27144522. [PMID: 35889395 PMCID: PMC9318522 DOI: 10.3390/molecules27144522] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 11/16/2022] Open
Abstract
A low molecular weight fucosylated glycosaminoglycan sodium (LFG-Na) is a novel anticoagulant candidate from the sea cucumber Holothuria fuscopunctata that selectively inhibits intrinsic tenase (iXase). The molecular weight, molecular weight distribution and bioactivities are the critical quality attributes of LFG-Na. The determination of these quality attributes of such an oligosaccharides mixture drug is challenging but critical for the quality control process to ensure its safety and efficacy in clinical use. Herein, the molecular weight and molecular weight distribution of LFG-Na were successfully determined using high performance size exclusion chromatography coupled with multi angle laser light scattering and refractive index detector (HPSEC-MALLS-RID). Comparing to the conventional method, HPSEC-MALLS-RID based on the refractive index increment (dn/dc) did not require the reference substances to establish the calibration curve. The acceptance criteria of LFG-Na were established, the weight-average molecular weight (Mw) should be 4000 to 6000 Da, the polydispersity (Mw/Mn) < 1.40, and the fraction with molecular weights of 1500 to 8000 Da should be no less than 80% of the total. HPSEC-MALLS-RID was also utilized for the determination of the starting material native fucosylated glycosaminoglycan (NFG) to choose a better manufacturing process. Furthermore, APTT assay was selected and the potency of anti-iXase, referring to the parallel line assay (PLA) method, was established to clarify the consistency of its biological activities. The results suggest that HPSEC-MALLS-RID and bioactivity assays are critical quality control methods for multi-component glycosaminoglycan LFG-Na. The methods also provide a feasible strategy to control the quality of other polysaccharide medicines.
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Affiliation(s)
- Shunliang Zheng
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China; (S.Z.); (J.W.)
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
| | - Yi Wang
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
| | - Jiashuo Wu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China; (S.Z.); (J.W.)
| | - Siyao Wang
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
| | - Huaifu Wei
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
| | - Yongchun Zhang
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
| | - Jianbo Zhou
- Mudanjiang Youbo Pharmceutical Co., Ltd., Mudanjiang 157013, China; (Y.W.); (S.W.); (H.W.); (Y.Z.)
- Correspondence: (J.Z.); (Y.S.); Tel.: +86-10-57833270 (Y.S.)
| | - Yue Shi
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China; (S.Z.); (J.W.)
- Correspondence: (J.Z.); (Y.S.); Tel.: +86-10-57833270 (Y.S.)
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17
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Effect of oximation reagents on gas chromatographic separation of eight different kinds of mono- and di-saccharides. Food Chem 2022; 386:132797. [PMID: 35344725 DOI: 10.1016/j.foodchem.2022.132797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 11/20/2022]
Abstract
The objective of this study was to investigate the effect of oximation reagents in simultaneous analysis of mono and di-saccharides using gas chromatography. Sugar oximation with O-ethylhydroxylamine separated all the mono- and di-saccharides while hydroxylamine and O-benzylhydroxylamine could make most of the saccharides separable except for xylose and arabinose. Resolution of xylose: arabinose, galactose: glucose, and fructose: galactose oximated by O-ethylhydroxylamine in DB-1ms column were 1.66, 2.15, and 6.19, respectively, which were above 1.5 and were officially acceptable for quantitative analysis according to the AOAC guideline. The applied method was then verified by the method validation parameters; LOD (0.011-0.02 mg/100 g), LOQ (0.032-0.061 mg/100 g), linearity (R2 = 0.9991-1.0000) and precision (repeatability RSD: 1.4-3.3%, reproducibility RSD: 1.7-7.6%). The greatest amounts of xylose (19.03 ± 0.38 mg/100 g), maltose (6,274.48 ± 173.59 mg/100 g) were found in the oyster sauce, and the contents of glucose (10,565.00 ± 125.31 mg/100 g), galactose (170.40 ± 4.62 mg/100 g) were greatest in soybean paste.
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18
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Deng Y, Chen LX, Zhu BJ, Zhao J, Li SP. A quantitative method for polysaccharides based on endo-enzymatic released specific oligosaccharides: A case of Lentinus edodes. Int J Biol Macromol 2022; 205:15-22. [PMID: 35181321 DOI: 10.1016/j.ijbiomac.2022.02.048] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 01/05/2023]
Abstract
Polysaccharides exhibit multiple pharmacological activities, which are closely related to their structural characteristics. Therefore, quantitative quality control of polysaccharides based on chemical properties is of importance for their applications. However, polysaccharides are mixed macromolecular compounds that are difficult to separate, and the lack of standards made direct quantification more difficult. In this study, we proposed a new quantitative method based on the released specific oligosaccharides for polysaccharides from Lentinus edodes (shiitake) and other related fungi. Specific oligosaccharides were firstly released from polysaccharides using 1,3-β-glucanase, then derivatized with 2-aminobenzamide (2-AB), which further separated by hydrophilic interaction chromatography (HILIC) and quantitatively determined by UPLC coupled with fluorescence detector (FLR). Laminaritriose was used as the universal standard for quantification of all the oligosaccharides. This method was validated according to linearity, limit of detection, limit of quantitation, precision, accuracy, repeatability and stability. In addition, the four specific oligosaccharides released from polysaccharides in L. edodes were qualitatively analyzed by extracted ion chromatogram (EIC) from UPLC-MS profiles, which were identified to be disaccharide, trisaccharide and tetrasccharide. The proposed strategy not only realized the quantitative analysis of polysaccharides by UPLC-FLR, but also could achieve the qualitative distinction of different polysaccharides.
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Affiliation(s)
- Yong Deng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, China
| | - Ling-Xiao Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, China
| | - Bao-Jie Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, China.
| | - Shao-Ping Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Joint Laboratory of Chinese Herbal Glycoengineering and Testing Technology, University of Macau, Macao SAR, China.
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19
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Li Y, Liang J, Gao JN, Shen Y, Kuang HX, Xia YG. A novel LC-MS/MS method for complete composition analysis of polysaccharides by aldononitrile acetate and multiple reaction monitoring. Carbohydr Polym 2021; 272:118478. [PMID: 34420737 DOI: 10.1016/j.carbpol.2021.118478] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 07/18/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022]
Abstract
Carbohydrate analysis has always been a challenging task due to the occurrence of high polarity and multiple isomers. Aldoses are commonly analyzed by gas liquid chromatography (GLC) following aldononitrile acetate derivatization (AND). However, the GLC technique cannot be applied for the simultaneous determination of aldoses, ketoses, and uronic acids. In this study, a new method based on the combination of liquid chromatography-tandem mass spectrometry (LC-MS/MS) and AND is developed for the complete characterization of monosaccharide composition (i.e., aldoses, ketoses, alditols, amino sugars, and uronic acids) in plant-derived polysaccharides. In addition to discussing the possible byproducts, the study optimizes the multiple reaction monitoring (MRM) parameters and LC conditions. The final separation of 17 carbohydrates is performed on a BEH Shield RP18 column (150 mm × 2.1 mm, 1.7 μm) within 25 min, without using any buffer salt. Notably, the complex polysaccharides extracted from Ligusticum chuanxiong, Platycodon grandiflorum, Cyathula officinalis Kuan, Juglans mandshurica Maxim, and Aralia elata (Miq.). Seem bud can be successfully characterized using the developed method. Overall, the results demonstrated that the newly established LC-MS/MS MRM method is more effective and powerful than the GLC-based methods reported previously, and it is more suitable for the analysis of highly complex natural polysaccharides, including complex pectins, fructosans, and glycoproteins.
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Affiliation(s)
- Ye Li
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Jun Liang
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Jia-Ning Gao
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Yu Shen
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Hai-Xue Kuang
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Yong-Gang Xia
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China.
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20
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Progress in the pretreatment and analysis of carbohydrates in food: An update since 2013. J Chromatogr A 2021; 1655:462496. [PMID: 34492577 DOI: 10.1016/j.chroma.2021.462496] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 11/21/2022]
Abstract
Carbohydrates in foods and other matrices plays vital roles in their diverse biological functions. Carbohydrates serve not only as functional substances but also as structural materials, such as components of membranes, and participate in cellular recognition. The fact that carbohydrates are indispensable has contributed to the need for pretreatment and analytical methods to be developed for their characterization. The aim of this review is to provide a comprehensive overview of carbohydrate pretreatment and determination methods in various matrices. The pretreatment methods include simple and more developed approaches (e.g., solid phase extraction, supercritical fluid extraction, and different microextraction methods, among others). The analytical methods include those by liquid chromatography (including high-performance anion-exchange chromatography), capillary electrophoresis, gas chromatography and supercritical fluid chromatography, and others. Different pretreatment methods and determination approaches are updated, compared, and discussed. Moreover, we discuss and compare the strengths and weaknesses of different methods and suggest their future prospects.
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21
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Uhliariková I, Matulová M, Capek P. Optimizing acid hydrolysis for monosaccharide compositional analysis of Nostoc cf. linckia acidic exopolysaccharide. Carbohydr Res 2021; 508:108400. [PMID: 34280803 DOI: 10.1016/j.carres.2021.108400] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 11/21/2022]
Abstract
The exact estimation of monosaccharide composition is important in the primary structure elucidation of polysaccharides. An acid hydrolysis is usually performed for glycosidic bonds cleavage and releasing of monosaccharides. In this study, optimal conditions of total acid hydrolysis using trifluoroacetic acid (TFA) of acidic lactylated Nostoc cf. linckia exopolysaccharide (EPS) were investigated by NMR spectroscopy. Results of a series of experiments with modified acid concentration, temperature and time of hydrolysis, have shown 2 M TFA, 110 °C, 3 h as the most optimal. The stability of EPS monosaccharide components was also explored. Low stability was found at all tested conditions already during the first hour of hydrolysis; all neutral monosaccharides were degraded from 25% to 40% and glucuronic acid to 75%. NMR, contrary to standard techniques used in monosaccharide compositional analysis (HPLC, HPAEC), allowed simultaneous quantification of all GlcA forms; the free one, that one linked in oligosaccharides, as well as GlcA degradation product γ-lactone. NMR as detection method improves information about uronic acid content in EPS.
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Affiliation(s)
- Iveta Uhliariková
- Institute of Chemistry, Center for Glycomics, Slovak Academy of Sciences, Dúbravská Cesta, 9, 84538, Bratislava, Slovakia.
| | - Mária Matulová
- Institute of Chemistry, Center for Glycomics, Slovak Academy of Sciences, Dúbravská Cesta, 9, 84538, Bratislava, Slovakia
| | - Peter Capek
- Institute of Chemistry, Center for Glycomics, Slovak Academy of Sciences, Dúbravská Cesta, 9, 84538, Bratislava, Slovakia
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22
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Huang Y, Jiang Z. Determination of Saccharides in Honey Using Supercritical Fluid Chromatography Coupled with Single Quadrupole Mass Spectrometry. J Chromatogr Sci 2021; 60:705-711. [PMID: 34471929 DOI: 10.1093/chromsci/bmab104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 07/23/2021] [Accepted: 08/11/2021] [Indexed: 11/14/2022]
Abstract
Saccharides are one of the most important biomoleculars in the world, which are responsible for various roles in living organisms. In this work, a combined use of mass spectrometry (MS) together with supercritical fluid chromatography (SFC) was applied for the separation of eight saccharides. A satisfactory separation was achieved within 15 min on a Unitary Diol column using 10 mM ammonium acetate in methanol as mobile phase additive at a temperature of 60°C. Compared to liquid chromatography-MS (LC-MS), the SFC-MS presented faster running time and better selectivity. The SFC-MS was validated and applied to the analysis of three saccharides (fructose, glucose and sucrose) present in different honey samples. The limits of detection (LODs) and limits of quantification (LOQs) of SFC-MS method for fructose, glucose and sucrose were 5.2, 4.5, 7.4 μg/mL and 17.2, 14.9, 24.1 μg/mL, respectively. The relative standard deviations for intrabatch and interbatch precision were <2.5% and the recoveries ranged from 97.6% to 103.1% for three concentration levels. The values of LODs and LOQs using SFC-MS method were lower (1.5-2.4-fold) than using LC-MS method. The results demonstrated the potential of SFC-MS for fast and sensitive determination of saccharides in honey.
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Affiliation(s)
- Yang Huang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, No.1, Xinzao, Panyu District, Guangzhou, 511436, China.,The State Key Laboratory of Respiratory Disease & NMPA Key Laboratory for Clinical Research and Evaluation of Drug for Thoracic Diseases, Guangzhou Medical University, No.1, Xinzao, Panyu District, Guangzhou, 511436, China
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, No. 855, Xingye Avenue East, Xinzao, Panyu District, Guangzhou, 510632, China
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23
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Liu D, Tang W, Yin JY, Nie SP, Xie MY. Monosaccharide composition analysis of polysaccharides from natural sources: Hydrolysis condition and detection method development. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106641] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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24
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Wang ZQ, Zhu CX, Dai AR, Chen L, You CP, Zhang BB. Chemical Characterization and Antioxidant Properties of Cell Wall Polysaccharides from Antrodia cinnamomea mycelia. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.100932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Teng C, Qin P, Shi Z, Zhang W, Yang X, Yao Y, Ren G. Structural characterization and antioxidant activity of alkali-extracted polysaccharides from quinoa. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106392] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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26
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Study on a novel spherical polysaccharide from Fructus Mori with good antioxidant activity. Carbohydr Polym 2021; 256:117516. [DOI: 10.1016/j.carbpol.2020.117516] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/22/2020] [Accepted: 12/10/2020] [Indexed: 11/20/2022]
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27
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Li SP, Zhao J, Chen LX, Hu DJ, Xu WF. Identification and determination of fructooligosaccharides in snow chrysanthemum ( Coreopsis tinctoria nutt.). WORLD JOURNAL OF TRADITIONAL CHINESE MEDICINE 2021. [DOI: 10.4103/wjtcm.wjtcm_64_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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28
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Ghosh R, Bryant DL, Farone AL. Panax quinquefolius (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions. Molecules 2020; 25:E5854. [PMID: 33322293 PMCID: PMC7763949 DOI: 10.3390/molecules25245854] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/09/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023] Open
Abstract
Panax quinquefolius (North American ginseng, NAG) is a popular medicinal plant used widely in traditional medicine. NAG products are currently available in various forms such as roots, extracts, nutraceuticals, dietary supplements, energy drinks, etc. NAG polysaccharides are recognized as one of the major bioactive ingredients. However, most NAG reviews are focused on ginsenosides with little information on polysaccharides. NAG polysaccharides have demonstrated a therapeutic activity in numerous studies, in which many of the bioactivities involve regulation of the immune response. The purpose of this review is to summarize the structural features and the immunomodulatory properties of crude, partially purified, and pure polysaccharides isolated from NAG. Receptors of the innate immune system that potentially bind to NAG polysaccharides and the respective signal transduction pathways initiated by these compounds are discussed. Major challenges, recent innovations, and future directions in NAG polysaccharide research are also summarized.
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Affiliation(s)
- Rajarshi Ghosh
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, USA;
| | - Daniel L. Bryant
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN 37132, USA;
- Tennessee Center for Botanical Medicine Research, Middle Tennessee State University, Murfreesboro, TN 37132, USA
| | - Anthony L. Farone
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN 37132, USA;
- Tennessee Center for Botanical Medicine Research, Middle Tennessee State University, Murfreesboro, TN 37132, USA
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29
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Teng C, Shi Z, Yao Y, Ren G. Structural Characterization of Quinoa Polysaccharide and Its Inhibitory Effects on 3T3-L1 Adipocyte Differentiation. Foods 2020; 9:E1511. [PMID: 33096874 PMCID: PMC7589720 DOI: 10.3390/foods9101511] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/13/2020] [Accepted: 10/20/2020] [Indexed: 12/11/2022] Open
Abstract
Quinoa is a kind of nutritious food crop with anti-obesity activity, however, the mechanism is not unclear. In this study, we separated and purified bioactive polysaccharide from quinoa (denoted SQWP-2). The chemical structural was characterized and its effect on 3T3-L1 pre-adipocyte differentiation was evaluated. The molecular weight of SQWP-2 was found to be 7.49 × 103 Da, and the polysaccharide consisted of fructose and glucose. The Glc-(1→, Fru-(2→, →4)-Glcp-(1→, and →4,6)-Glcp-(1→ glycosidic linkages were identified in SQWP-2 through gas chromatography-mass spectrometry. Nuclear magnetic resonance confirmed the monosaccharide composition and glycosidic linkage content, and a suggestion of the structural formula is provided. In Western Blotting and RT-PCR assays, treatment with SQWP-2 significantly inhibited 3T3-L1 differentiation by suppressing PPARγ, C/EBPα, C/EBPβ, C/EBPδ, SREBP1C and AP2 expression. Quinoa polysaccharide isolated here could represent an anti-obesity agent once the structures and differentiation inhibition are definitively characterized.
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Affiliation(s)
- Cong Teng
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.T.); (Z.S.); (G.R.)
| | - Zhenxing Shi
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.T.); (Z.S.); (G.R.)
- Laboratory of Biomass and Green Technologies, Gembloux Agro-Bio Tech, University of Liège, 5030 Gembloux, Belgium
| | - Yang Yao
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.T.); (Z.S.); (G.R.)
| | - Guixing Ren
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.T.); (Z.S.); (G.R.)
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30
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Deng Y, Chen C, Chen L, Han B, Li S, Zhao J. Fast saccharide mapping method for quality consistency evaluation of commercial xylooligosaccharides collected in China. J Pharm Anal 2020; 11:284-291. [PMID: 34277116 PMCID: PMC8264382 DOI: 10.1016/j.jpha.2020.08.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/30/2020] [Accepted: 08/31/2020] [Indexed: 11/24/2022] Open
Abstract
Due to the extensive use of xylooligosaccharides (XOS) as functional food ingredients, many inferior goods and even adulterants are generally found in the market, which may pose a health hazard to certain populations. Chromatography method such as high-performance liquid chromatography (HPLC) and high-performance thin-layer chromatography (HPTLC) is traditionally applied for the quality analysis of XOS. However, it is time consuming due to the prolonged separation and pre- or post- derivatization procedure. In this study, a fast saccharide mapping method based on matrix-assisted laser desorption/time-of-flight mass spectrometry (MALDI-TOF-MS) was developed for the quality consistency analysis of 22 batches of XOS collected from different manufacturers in China. The time needed for saccharides analysis using MALDI-MS was less than 30 min for one plate, at least 6 times faster than that by the traditional HPTLC chromatography method. In addition, MALDI-MS possessed higher resolution for XOS with DP4-DP7 based on the difference of m/z, which is hardly separated using HPTLC. The results showed that XOS were present only in samples XY01-XY11, samples XY12-XY14 only consisted of hex oligosaccharides, and samples XY15-XY22 were free of oligosaccharides. These indicate that the quality consistency of XOS products in the China market was poor, which should be carefully investigated. Fast saccharide mapping method was developed based on MADLI-TOF-MS. Quality consistency of commercial xylooligosaccharides collected in China was evaluated. Glycosidic linkage analysis was also used for identification of xylooligosaccharides. Fifty percent of commercial xylooligosaccharides are mislabeled.
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Affiliation(s)
- Yong Deng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Cunwu Chen
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, West Anhui University, Lu'an, Anhui, China
| | - Lingxiao Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Bangxing Han
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, West Anhui University, Lu'an, Anhui, China
| | - Shaoping Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
- Corresponding author.
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
- Corresponding author.
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31
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Li F, Wei Y, Liang L, Huang L, Yu G, Li Q. A novel low-molecular-mass pumpkin polysaccharide: Structural characterization, antioxidant activity, and hypoglycemic potential. Carbohydr Polym 2020; 251:117090. [PMID: 33142631 DOI: 10.1016/j.carbpol.2020.117090] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 08/20/2020] [Accepted: 09/08/2020] [Indexed: 12/12/2022]
Abstract
The novel natural low-molecular-mass polysaccharide (SLWPP-3) from pumpkin (Cucurbia moschata) was separated from the waste supernatant after macromolecular polysaccharide production and purified using a DEAE cellulose-52 column and gel-filtration chromatography. Chemical and instrumental studies revealed that SLWPP-3 with a molecular mass of 3.5 kDa was composed of rhamnose, glucose, arabinose, galactose and uronic acid with a weight ratio of 1: 1: 4: 6: 15, and primarily contained →3,6)-β-d-Galp-(1→, →4)-α-GalpA-(1→(OMe), →4)-α-GalpA-(1→, →2,4)-α-d-Rhap-(1→, →3)-β-d-Galp-(1→, →4)-α-d-Glcp, and →4)-β-d-Galp residues in the backbone. The branch chain passes were connected to the main chain through the O-4 atom of glucose and O-3 atom of arabinose. Physiologically, the ability of SLWPP-3 to inhibit carbohydrate-digesting enzymes and DPPH and ABTS radicals, as well as protect pancreatic β cells from oxidative damage by decreasing MDA levels and increasing SOD activities, was confirmed. The findings elucidated the structural types of pumpkin polysaccharides and revealed a potential adjuvant natural product with hypoglycemic effects.
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Affiliation(s)
- Fei Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
| | - Yunlu Wei
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
| | - Li Liang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
| | - Linlin Huang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
| | - Guoyong Yu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
| | - Quanhong Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, PR China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing, 100083, PR China.
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32
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Lin TL, Lu CC, Lai WF, Wu TS, Lu JJ, Chen YM, Tzeng CM, Liu HT, Wei H, Lai HC. Role of gut microbiota in identification of novel TCM-derived active metabolites. Protein Cell 2020; 12:394-410. [PMID: 32929698 PMCID: PMC8106560 DOI: 10.1007/s13238-020-00784-w] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 05/29/2020] [Indexed: 02/08/2023] Open
Abstract
Traditional Chinese Medicine (TCM) has been extensively used to ameliorate diseases in Asia for over thousands of years. However, owing to a lack of formal scientific validation, the absence of information regarding the mechanisms underlying TCMs restricts their application. After oral administration, TCM herbal ingredients frequently are not directly absorbed by the host, but rather enter the intestine to be transformed by gut microbiota. The gut microbiota is a microbial community living in animal intestines, and functions to maintain host homeostasis and health. Increasing evidences indicate that TCM herbs closely affect gut microbiota composition, which is associated with the conversion of herbal components into active metabolites. These may significantly affect the therapeutic activity of TCMs. Microbiota analyses, in conjunction with modern multiomics platforms, can together identify novel functional metabolites and form the basis of future TCM research.
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Affiliation(s)
- Tzu-Lung Lin
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Gueishan, Taoyuan, 33302, Taiwan, China
| | - Chia-Chen Lu
- Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City, 24205, Taiwan, China.,Department of Chest Medicine, Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, 24205, Taiwan, China
| | - Wei-Fan Lai
- Department of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan, China
| | - Ting-Shu Wu
- Department of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan, China.,Department of Laboratory Medicine and Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, 33305, Taiwan, China.,Central Research Laboratory, Xiamen Chang Gung Hospital, Xiamen, 361026, China
| | - Jang-Jih Lu
- Department of Laboratory Medicine and Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, 33305, Taiwan, China.,Central Research Laboratory, Xiamen Chang Gung Hospital, Xiamen, 361026, China
| | - Young-Mao Chen
- Bachelor Degree Program in Marine Biotechnology, College of Life Sciences, National Taiwan Ocean University, Keelung, 20224, Taiwan, China
| | - Chi-Meng Tzeng
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, China
| | - Hong-Tao Liu
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, 430065, China
| | - Hong Wei
- Central Laboratory, Clinical Medicine Scientific and Technical Innovation Park, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200435, China
| | - Hsin-Chih Lai
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Gueishan, Taoyuan, 33302, Taiwan, China. .,Department of Laboratory Medicine and Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, 33305, Taiwan, China. .,Central Research Laboratory, Xiamen Chang Gung Hospital, Xiamen, 361026, China. .,Microbiota Research Center and Emerging Viral Infections Research Center, Chang Gung University, Taoyuan, 33302, Taiwan, China. .,Research Center for Chinese Herbal Medicine and Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Gueishan, Taoyuan, 33303, Taiwan, China.
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33
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An oligosaccharide-marker approach to quantify specific polysaccharides in herbal formula by LC-qTOF-MS: Danggui Buxue Tang, a case study. J Pharm Biomed Anal 2020; 185:113235. [DOI: 10.1016/j.jpba.2020.113235] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/04/2020] [Accepted: 03/04/2020] [Indexed: 12/25/2022]
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34
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Zhang WJ, Wang S, Kang CZ, Lv CG, Zhou L, Huang LQ, Guo LP. Pharmacodynamic material basis of traditional Chinese medicine based on biomacromolecules: a review. PLANT METHODS 2020; 16:26. [PMID: 32140174 PMCID: PMC7049221 DOI: 10.1186/s13007-020-00571-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 02/19/2020] [Indexed: 05/06/2023]
Abstract
Biomacromolecules, the first components of bioactive substances in traditional Chinese medicines (TCM) have wide bioactivity-related efficacy but have not yet been fully appreciated compared to small molecule components. The present review brings a novel and systemic point of view to deepen the understanding of the pharmacodynamic material basis of TCM based on biomacromolecules (polysaccharides, proteins and nucleic acids). Biomacromolecules have been, are and will have considerable roles in the efficacy of Chinese medicine, as evidenced by the number of biological activities related to traditional clinical efficacy. The direct and indirect mechanisms of biomacromolecules are further accounted for in a variety of neurotransmitters, hormones, and immune substances to maintain immune function in both sensitive and stable equilibrium. The biological functions of biomacromolecules have been elaborated on in regard to their roles in the process of plant growth and development to the relationship between primary metabolism and secondary metabolism and to the indispensable role of polysaccharides, proteins, and nucleic acids in the quality formation of TCM. Understanding the functional properties and mechanisms of biological macromolecules will help to demystify the drug properties and health benefits of TCM.
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Affiliation(s)
- Wen-Jin Zhang
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004 China
| | - Sheng Wang
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Chuan-zhi Kang
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Chao-geng Lv
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Li Zhou
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Lu-Qi Huang
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Lan-Ping Guo
- State Key Laboratory of Dao-di Herbs Breeding Base, Joint Laboratory of Infinitus (China) Herbs Quality Research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
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35
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Coelho MN, Soares PAG, Frattani FS, Camargo LMM, Tovar AMF, de Aguiar PF, Zingali RB, Mourão PAS, Costa SS. Polysaccharide composition of an anticoagulant fraction from the aqueous extract of Marsypianthes chamaedrys (Lamiaceae). Int J Biol Macromol 2020; 145:668-681. [PMID: 31883887 DOI: 10.1016/j.ijbiomac.2019.12.176] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/16/2019] [Accepted: 12/19/2019] [Indexed: 10/25/2022]
Abstract
Marsypianthes chamaedrys (Lamiaceae) is a medicinal plant popularly used against envenomation by snakebite. Pharmacological studies have shown that extracts of M. chamaedrys have antiophidic, anti-inflammatory and anticoagulant properties, supporting the ethnopharmacological use. In this study, an aqueous extract of aerial parts of M. chamaedrys showed anticoagulant activity in the activated partial thromboplastin time assay (0.54 IU/mg). The bioassay-guided fractionation using ethanol precipitation and gel filtration chromatography on Sephadex G-50 and Sephadex G-25 resulted in a water-soluble fraction with increased anticoagulant activity (Fraction F2-A; 2.94 IU/mg). A positive correlation was found between the amount of uronic acids and the anticoagulant potential of the active samples. Chemical and spectroscopic analyses indicated that F2-A contained homogalacturonan, type I rhamnogalacturonan, type II arabinogalactan and α-glucan. UV and FT-IR spectra indicated the possible presence of ferulic acid. Pectic polysaccharides and type II arabinogalactans may be contributing to the anticoagulant activity of the aqueous extract of M. chamaedrys in the APTT assay.
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Affiliation(s)
- Mariana N Coelho
- Laboratório de Química de Produtos Naturais Bioativos (LPN-Bio), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil.
| | - Paulo A G Soares
- Laboratório de Tecido Conjuntivo, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rua Rodolpho Paulo Rocco, 255, Cidade Universitária, Rio de Janeiro, RJ 21941-913, Brazil.
| | - Flávia S Frattani
- Laboratório de Hemostasia e Trombose (LHT), Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil.
| | - Luiza M M Camargo
- Laboratório de Química de Produtos Naturais Bioativos (LPN-Bio), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil.
| | - Ana M F Tovar
- Laboratório de Tecido Conjuntivo, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rua Rodolpho Paulo Rocco, 255, Cidade Universitária, Rio de Janeiro, RJ 21941-913, Brazil.
| | - Paula F de Aguiar
- Laboratório de Quimiometria (LABQUIM), Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 149, Centro de Tecnologia, Cidade Universitária, Rio de Janeiro, RJ, 21941-909, Brazil.
| | - Russolina B Zingali
- Laboratório de Hemostase e Venenos, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil.
| | - Paulo A S Mourão
- Laboratório de Tecido Conjuntivo, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rua Rodolpho Paulo Rocco, 255, Cidade Universitária, Rio de Janeiro, RJ 21941-913, Brazil.
| | - Sônia S Costa
- Laboratório de Química de Produtos Naturais Bioativos (LPN-Bio), Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Centro de Ciências da Saúde, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil.
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36
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Difficulties in research of Chinese medicine polysaccharides. Chin J Nat Med 2019; 17:883-886. [DOI: 10.1016/s1875-5364(19)30107-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Indexed: 11/17/2022]
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37
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Wong TL, Li LF, Zhang JX, Bai SP, Zhou LS, Fung HY, Zhang QW, Ma DL, Leung CH, Zhao ZZ, Han QB. Oligosaccharide-marker approach for qualitative and quantitative analysis of specific polysaccharide in herb formula by ultra-high-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry: Dendrobium officinale, a case study. J Chromatogr A 2019; 1607:460388. [DOI: 10.1016/j.chroma.2019.460388] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 12/30/2022]
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38
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Li J, Gu F, Cai C, Hu M, Fan L, Hao J, Yu G. Purification, structural characterization, and immunomodulatory activity of the polysaccharides from Ganoderma lucidum. Int J Biol Macromol 2019; 143:806-813. [PMID: 31715242 DOI: 10.1016/j.ijbiomac.2019.09.141] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 09/12/2019] [Accepted: 09/22/2019] [Indexed: 10/25/2022]
Abstract
A preliminary relationship was illustrated between the structural characteristics and corresponding immunomodulatory activities of G. lucidum polysaccharides. Two polysaccharides (GLP-1 and GLP-2) were purified from Ganoderma lucidum extracts by gradient ethanol precipitation and a Q-Sepharose Fast Flow (QFF) strong anion-exchange column. The monosaccharide composition, high-performance gel permeation chromatography-multi-angle laser light scattering-refractive index (HPGPC-MALLS-RI), Fourier-transform infrared spectroscopy (FT-IR), atomic force microscopy (AFM), methylation analysis, and nuclear magnetic resonance (NMR) were used to characterize these polysaccharides. The GLP-1 polysaccharide was elucidated as d-galactoglucan with a flexible random linear conformation that mainly composed of →6)-β-d-Glcp-(1→, →6)-α-d-Galp-(1→, and →3)-β-d-Glcp-(1→ residues. GLP-2 was found to be a relatively homogeneous β-d-glucan that possessing →6)-β-d-Glcp-(1→ and →3)-β-d-Glcp-(1→ residues packaged into a spherical conformation. Immunomodulatory activities in vivo demonstrated that GLP-1 produced better protection of the spleen and thymus and was more effective for promoting hematopoiesis and improving IgA levels in serum. Our results suggest that the immunomodulatory activities of G. lucidum polysaccharides are highly corresponded to their structural characteristics such as carbohydrate composition, molecular weight and advanced conformation. This study provides a preliminary basis for studying the relationship between polysaccharide structure characterization and pharmacological activities.
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Affiliation(s)
- Jia Li
- Key Laboratory of Marine Drugs, Ministry of Education & Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Feifei Gu
- Key Laboratory of Marine Drugs, Ministry of Education & Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Chao Cai
- Key Laboratory of Marine Drugs, Ministry of Education & Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China.
| | - Minghua Hu
- Infinitus (China) Company Ltd., Guangzhou 510600, China
| | - Luodi Fan
- Infinitus (China) Company Ltd., Guangzhou 510600, China
| | - Jiejie Hao
- Key Laboratory of Marine Drugs, Ministry of Education & Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China.
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education & Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China.
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39
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Saha S, Walia S, Sharma K, Banerjee K. Suitability of stationary phase for LC analysis of biomolecules. Crit Rev Food Sci Nutr 2019; 60:2856-2873. [PMID: 31621391 DOI: 10.1080/10408398.2019.1665494] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Biologically active compounds such as carotenoids/isoprenoids, vitamins, steroids, saponins, sugars, long chain fatty acids, and amino acids play a very important role in coordinating functions in living organisms. Determination of those substances is indispensable in advanced biological sciences. Engineered stationary phase in LC for the analysis of biomolecules has become easier with the development of chromatographic science. In general, C18 column is being used for routine analysis but specific columns are being used for specific molecule. Monolithic columns are found to have higher efficiency than normal column. Among recent introduction, triacontyl stationary phases, designed for the separation of carotenoid isomers, are widely used for the estimation of carotenoids. In comparison to conventional C18 phases, C30 phases exhibited superior shape selectivity for the separation of isomers of carotenoids. It is also found useful for better elution and analysis of tocopherols, vitamin K, sterols, and fatty acids. Vitamin K, E, and their isomers are also successfully resoluted and analyzed by using C30 column. Amino bonded phase column is specifically used for better elution of sugars, whereas phenyl columns are suitable for the separation and analysis of curcuminoids and taxol. Like triacontyl stationary phase, pentafluorophenyl columns are also used for the separation and analysis of carotenoids. Similarly, HILIC column are best suited for sugar analysis. All the stationary phases are made possible to resolute and analyze the target biomolecules better, which are the future of liquid chromatography. The present article focuses on the differential interaction between stationary phase and target biomolecules. The applicability of these stationary phases are reported in different matrices.
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Affiliation(s)
- Supradip Saha
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Suresh Walia
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Khushbu Sharma
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
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Structural characterization and immunoregulatory activity of two polysaccharides from the rhizomes of Atractylodes lancea (Thunb.) DC. Int J Biol Macromol 2019; 136:341-351. [DOI: 10.1016/j.ijbiomac.2019.06.088] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/29/2019] [Accepted: 06/12/2019] [Indexed: 02/06/2023]
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41
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Wang Y, Mei X, Liu Z, Li J, Zhang X, Wang S, Geng Z, Dai L, Zhang J. Chemical Constituent Profiling of Paecilomyces cicadae Liquid Fermentation for Astragli Radix. Molecules 2019; 24:molecules24162948. [PMID: 31416254 PMCID: PMC6721272 DOI: 10.3390/molecules24162948] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/11/2019] [Accepted: 08/12/2019] [Indexed: 02/07/2023] Open
Abstract
Astragli Radix (AR) is one of the most popular traditional Chinese medicines with chemical constituents including flavonoids and saponins. As recently evidenced, some fungi or their fermentation liquid may have the potential to affect the bioactive constituents and different pharmacological effects of AR. Thus, the composition of fermented AR (FAR) produced by Paecilomyces cicadae (Miquel) Samson in liquid-state fermentation was investigated using a UHPLC-LTQ-Orbitrap mass spectrometer in both positive and negative ion modes. Firstly, the MSn data sets were obtained based on a data-dependent acquisition method and a full scan–parent ions list–dynamic exclusion (FS-PIL-DE) strategy. Then, diagnostic product ions (DPIs) and neutral loss fragments (NLFs) were proposed for better constituent detection and structural characterization. Consequently, 107 constituents in total, particularly microconstituents in FAR and AR, were characterized and compared in parallel on the same LTQ–Orbitrap instrument. Our results indicated that AR fermentation with Paecilomyces significantly influenced the production of saponins and flavonoids, especially increasing the content of astragaloside IV. In conclusion, this research was not only the first to show changes in the chemical components of unfermented AR and FAR, but it also provides a foundation for further studies on the chemical interaction between microbiota and AR.
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Affiliation(s)
- Yuqi Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xiaodan Mei
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Zihan Liu
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jie Li
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xiaoxin Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Shaoping Wang
- School of Pharmacy, BIN ZHOU Medical University, Yantai 260040, China
| | - Zikai Geng
- School of Pharmacy, BIN ZHOU Medical University, Yantai 260040, China
| | - Long Dai
- School of Pharmacy, BIN ZHOU Medical University, Yantai 260040, China.
| | - Jiayu Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China.
- School of Pharmacy, BIN ZHOU Medical University, Yantai 260040, China.
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Panax quinquefolius (North American ginseng) cell suspension culture as a source of bioactive polysaccharides: Immunostimulatory activity and characterization of a neutral polysaccharide AGC1. Int J Biol Macromol 2019; 139:221-232. [PMID: 31376448 DOI: 10.1016/j.ijbiomac.2019.07.215] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 01/31/2023]
Abstract
In this study, we propose the use of a plant tissue culture-based system for the production of polysaccharides with consistent chemical characteristics and reduced endotoxin content. Polysaccharides were isolated from suspension cultures of Panax quinquefolius (American ginseng), a widely used medicinal herb. A neutral fraction, AGC1, purified by anion exchange and size exclusion chromatography, displayed immunostimulatory activity in vitro and ex vivo. AGC1 (average molecular weight: 5.2kDa) was predominantly composed of galactose (>60%) along with the presence of several other neutral sugars such as arabinose, xylose, glucose, mannose and rhamnose in minor amounts. The major glycosidic linkages were found to be 3-Galp (48.5%), 3,6-Galp (10.2%), t-Galp (5.2%), 6-Galp (4.4%), 4-Glcp (5.7%), 4-Arap/5-Araf (4.0%) and t-Araf (4.5%). AGC1 significantly (p<0.05) stimulated the expression of a range of proinflammatory mediators in RAW 264.7 murine macrophages such as IL-6, TNF-α, MCP-1 and GM-CSF. Additionally, AGC1 treatment of RAW 264.7 cells stimulated NOS2 gene expression, leading to increased levels of iNOS and downstream NO. Consistent with this, AGC1 was able to act as an immunostimulant in primary murine splenocytes, enhancing cell proliferation, as well as NO and TNF-α production. Our results also indicate the partial role of NF-κB pathway in the immunostimulatory response.
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Yip KM, Xu J, Zhou SS, Lau YM, Chen QL, Tang YC, Yang ZJ, Yao ZP, Ding P, Chen HB, Zhao ZZ. Characterization of Chemical Component Variations in Different Growth Years and Tissues of Morindae Officinalis Radix by Integrating Metabolomics and Glycomics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:7304-7314. [PMID: 31180668 DOI: 10.1021/acs.jafc.9b01910] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Morindae Officinalis Radix (MOR), the dried root of Morinda officinalis F.C. How (Rubiaceae), is a popular food supplement in southeastern China for bone protection, andrological, and gynecological healthcare. In clinical use, 3-4 year old MOR is commonly used and the xylem is sometimes removed. However, there is no scientific rationale for these practices so far. In this study, metabolomics and glycomics were integrated using multiple chromatographic and mass spectrometric techniques coupled with multivariate statistical analysis to investigate the qualitative and quantitative variations of secondary metabolome and glycome in different growth years (1-7 years) and tissues (xylem and cortex) of MOR. The results showed that various types of bioactive components reached a maximum between 3 and 4 years of growth and that the xylem contained more potentially toxic constituents but less bioactive components than the cortex. This study provides the chemical basis for the common practice of using 3-4 year old MOR with the xylem removed.
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Affiliation(s)
- Ka-Man Yip
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Jun Xu
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Shan-Shan Zhou
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Yuk-Man Lau
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Qi-Lei Chen
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Yan-Cheng Tang
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Zhi-Jun Yang
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Zhong-Ping Yao
- Department of Applied Biology & Chemical Technology , The Hong Kong Polytechnic University , Hong Kong 999077 , China
| | - Ping Ding
- School of Pharmaceutical Science , Guangzhou University of Chinese Medicine , Guangdong 510006 , China
| | - Hu-Biao Chen
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
| | - Zhong-Zhen Zhao
- School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong, Hong Kong 999077 , China
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Zhao P, Zhou H, Zhao C, Li X, Wang Y, Wang Y, Huang L, Gao W. Purification, characterization and immunomodulatory activity of fructans from Polygonatum odoratum and P. cyrtonema. Carbohydr Polym 2019; 214:44-52. [DOI: 10.1016/j.carbpol.2019.03.014] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/01/2019] [Accepted: 03/04/2019] [Indexed: 12/20/2022]
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Rong Y, Yang R, Yang Y, Wen Y, Liu S, Li C, Hu Z, Cheng X, Li W. Structural characterization of an active polysaccharide of longan and evaluation of immunological activity. Carbohydr Polym 2019; 213:247-256. [DOI: 10.1016/j.carbpol.2019.03.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/01/2019] [Accepted: 03/03/2019] [Indexed: 01/08/2023]
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Hu DJ, Shakerian F, Zhao J, Li SP. Chemistry, pharmacology and analysis of Pseudostellaria heterophylla: a mini-review. Chin Med 2019; 14:21. [PMID: 31139247 PMCID: PMC6533724 DOI: 10.1186/s13020-019-0243-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 05/15/2019] [Indexed: 12/21/2022] Open
Abstract
Pseudostellaria heterophylla is one of the well-known traditional Chinese medicines and has been used in clinics for 100 years in China. The chemistry and pharmacology of P. heterophylla were reviewed to understand its active compounds. Then analysis of these compounds related to quality control of this herb was discussed. For the analysis of chemicals, three aspects have been discussed in this review. The first two aspects focused on the methodologies for analysis of cyclic peptides and carbohydrates in P. heterophylla, respectively. The last one dealt with the other methods used for identification of P. heterophylla. Some rich chemicals such as oligosaccharides in this plant were rarely evaluated. Many analyses were performed on this plant, however, few of them were accepted as quality control method.
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Affiliation(s)
- De-Jun Hu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Farid Shakerian
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.,2College of Pharmacy, Chengdu University of Chinese Medicine, Chengdu, China
| | - Shao-Ping Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
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Ghosh R, Kline P. HPLC with charged aerosol detector (CAD) as a quality control platform for analysis of carbohydrate polymers. BMC Res Notes 2019; 12:268. [PMID: 31088532 PMCID: PMC6518655 DOI: 10.1186/s13104-019-4296-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 05/03/2019] [Indexed: 11/30/2022] Open
Abstract
Objective QC analysis of carbohydrates has been historically cumbersome due to lengthy and laborious derivatization techniques and the requirement of complimentary instrumentation. HILIC-CAD has emerged as an effective platform for direct monosaccharide composition analysis of complex carbohydrates without derivatization. Although, several neutral sugars have been separated and detected using HILIC-CAD, there has not been any report on acidic and amino sugar analysis using this method. In this study, we developed a gradient method for simultaneous analysis of acidic, amino and select neutral monosaccharides. As an application of the HILIC-CAD method, we performed composition analysis of commercially purchased hyaluronic acid products. Additionally, since CAD is suitable for SEC experiments, we tested the homogeneity of hyaluronic acids using a SEC-CAD method. Results We separated common uronic acids (GlcA, GalA, LIdoA and Neu5Ac), amino sugars (GlcN, GalN and GlcNAc) and select neutral sugars (LRha, LFuc, Man and Gal) using a gradient HILIC-CAD method. The optimized gradient method demonstrated good linearity (R2 > 0.99), precision (RSD < 8%), LOD (< 85 ng/mL) and LOQ (< 280 ng/mL). HILIC-CAD analysis of commercially purchased hyaluronic acid products indicated that samples were composed of GlcNAc and GlcA. Additionally, SEC-CAD chromatograms indicated the heterogeneous nature of the samples. Electronic supplementary material The online version of this article (10.1186/s13104-019-4296-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rajarshi Ghosh
- Department of Chemistry, Middle Tennessee State University, 1301 E Main Street, MTSU Box 68, Murfreesboro, TN, 37132, USA
| | - Paul Kline
- Department of Chemistry, Middle Tennessee State University, 1301 E Main Street, MTSU Box 68, Murfreesboro, TN, 37132, USA.
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Isolation, structure elucidation, and immunostimulatory activity of polysaccharide fractions from Boswellia carterii frankincense resin. Int J Biol Macromol 2019; 133:76-85. [PMID: 30981779 DOI: 10.1016/j.ijbiomac.2019.04.059] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 04/09/2019] [Accepted: 04/10/2019] [Indexed: 11/21/2022]
Abstract
Frankincense has a long history in religious, cultural, and medicinal use. In this study polysaccharides were extracted from frankincense from Boswellia carterii. The polysaccharides were purified by anion exchange chromatography on a DEAE-Sepharose Fast Flow 16/10 FPLC column. Six fractions were obtained and the three most active immunomodulatory fractions were further purified by size exclusion chromatography on a Superdex-200 column. The composition showed the monosaccharides present were predominantly galactose, arabinose, and glucuronic acid along with small amounts of rhamnose and glucose. The monosaccharide composition and glycosyl linkage analysis revealed the polysaccharides belong to the type II arabinogalactans. Fourier-transform infrared spectroscopy and bicinchoninic acid assay showed that the amount of protein in the samples was <1 wt%. One-dimensional 1H NMR were consistent with high molecular weight compounds. The monosaccharides were primarily in the β conformation. The three fractions exhibited an immunostimulatory effect on RAW 264.7 murine macrophage cells. The most active immunostimulatory fraction FA2, stimulated a range of pro-inflammatory mediators including iNOS, NO, TNF-α, and IL-6 in RAW 264.7 cells. The fractions were effective in proliferating primary murine splenocytes. The results indicate that the polysaccharides isolated from frankincense have the potential to be used as an immunological stimulant or nutraceutical.
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Zhao X, Ma G, Wu D, Cai P, Pan Y. A novel strategy to utilize ethylene glycol-ionic liquids for the selective precipitation of polysaccharides. J Sep Sci 2019; 42:1757-1767. [PMID: 30811846 DOI: 10.1002/jssc.201801297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/15/2019] [Accepted: 02/15/2019] [Indexed: 12/16/2022]
Abstract
In the present work, three hydrophilic ionic liquids based on the combination between imidazolium cations attached with ethylene glycol polymers of various lengths and hexafluorophosphate anion were designed and synthesized for the separation of polysaccharides. By employing dextran 100 kDa as model compound, the effects of ionic liquid content, solvent/anti-solvent volume, and temperature on its recovery efficiency were investigated systematically. The ability of these ionic liquids to precipitate dextran 100 kDa, increases with the elongation of ethylene glycol polymer chain. The established ionic liquid-based precipitation system was successfully applied to selectively precipitate polysaccharides from water extracts of three traditional Chinese medicines and the precipitation could be achieved in about 15 min. In addition, the different precipitation responses of acidic, neutral, and basic polysaccharides in the ionic liquid-based precipitation system and theoretical calculations both suggested that the selective precipitation of polysaccharides was probably mediated by interaction between ionic liquids and polysaccharides. The proposed strategy facilitated the isolation and purification of polysaccharides and may trigger a novel application of ionic liquids in carbohydrate research.
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Affiliation(s)
- Xiaoyong Zhao
- Department of Chemistry, Zhejiang University, Hangzhou, P. R. China
| | - Ge Ma
- Department of Chemistry, Zhejiang University, Hangzhou, P. R. China
| | - Datong Wu
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, P. R. China
| | - Pengfei Cai
- Department of Chemistry, Zhejiang University, Hangzhou, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, P. R. China
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Xia YG, Wang TL, Yu SM, Liang J, Kuang HX. Structural characteristics and hepatoprotective potential of Aralia elata root bark polysaccharides and their effects on SCFAs produced by intestinal flora metabolism. Carbohydr Polym 2018; 207:256-265. [PMID: 30600007 DOI: 10.1016/j.carbpol.2018.11.097] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 11/13/2018] [Accepted: 11/29/2018] [Indexed: 12/29/2022]
Abstract
The structural characteristics of the polysaccharides from Aralia elata root barks (AERP) were systematically investigated by FT-IR, HPSEC-ELSD and colorimetric methods as well as by GCMS based monosaccharide compositions, Smith degradations, and methylation analysis. The result showed average molecular weights of AERP were between 42.7 kDa and 93.9 kDa. AERP was composed of Ara, Rha, GlcA, Man, Glc, and Gal in a molar ratio of 22.2: 10.3: 8.1: 32.7: 5.7: 21.2 along with a small number of sulfate (3.38%) and acetyl (4.87%) groups. The abundant glycosidic linkages of Man, Ara, Gal, and Rha were observed as more than 90% of all the monosaccharides detected. Studies to evaluate hepatoprotective potentials of AERP showed that they had potent hepatoprotective effects in vivo in carbon tetrachloride-induced acute liver injury (CIALI) in mice by histopathological evaluation, biochemical examinations and ELISA assays. GCMS was further used to determine the effects of AERP on the chemical profiles of nine common short-chain fatty acids (SCFAs) produced by intestinal flora metabolism in CIALI mice. These findings not only provide novel insights into the pharmacological actions of AERP on the protection from CIALI in mice, but they also demonstrate that determining SCFA profiles by targeted GC-MS metabolomics is an effective technique to investigate the molecular mechanisms of the effects of plant polysaccharides on intestinal flora metabolism.
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Affiliation(s)
- Yong-Gang Xia
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China.
| | - Tian-Long Wang
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Si-Miao Yu
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Jun Liang
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China
| | - Hai-Xue Kuang
- Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin 150040, PR China.
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