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Han SW, Wang XJ, Cui BS, Sun H, Chen H, Ferreira D, Li S, Hamann MT. Hepatoprotective Glucosyloxybenzyl 2-Hydroxy-2-isobutylsuccinates from Pleione yunnanensis. J Nat Prod 2021; 84:738-749. [PMID: 33606538 DOI: 10.1021/acs.jnatprod.0c01117] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nine new glucosyloxybenzyl 2-hydroxy-2-isobutylsuccinates, pleionosides M-U (1-9), and 12 known compounds (10-21) were isolated from the pseudobulbs of Pleione yunnanensis. Their structures and absolute configurations were established through a combination of HRESIMS and NMR data and supported by physical and chemical methods. Compounds 5, 6, 10, and 15 showed significant in vitro hepatoprotective activity against d-galactosamine (d-GalN)-induced toxicity in HL-7702 cells with increasing cell viability by 27%, 22%, 19%, and 31% compared to the model group (cf. bicyclol, 14%) at 10 μM, respectively. Compounds 4, 9, and 11 exhibited moderate hepatoprotective activity against N-acetyl-p-aminophenol (APAP)-induced toxicity in HepG2 cells with increasing cell viability by 9%, 16%, and 12% compared to the model group (cf. bicyclol, 9%) at 10 μM, respectively.
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Affiliation(s)
- Shao-Wei Han
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Xiao-Juan Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, United States
| | - Bao-Song Cui
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Hua Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Hui Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Daneel Ferreira
- Department of BioMolecular Sciences, Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, Mississippi 38677-1848, United States
| | - Shuai Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Mark T Hamann
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, United States
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Szymborska-Sandhu I, Przybył JL, Kosakowska O, Bączek K, Węglarz Z. Chemical Diversity of Bastard Balm ( Melittis melisophyllum L.) as Affected by Plant Development. Molecules 2020; 25:E2421. [PMID: 32455929 PMCID: PMC7287771 DOI: 10.3390/molecules25102421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/16/2020] [Accepted: 05/21/2020] [Indexed: 11/16/2022] Open
Abstract
The phytochemical diversity of Melittis melissophyllum was investigated in terms of seasonal changes and age of plants including plant organs diversity. The content of phenolics, namely: coumarin; 3,4-dihydroxycoumarin; o-coumaric acid 2-O-glucoside; verbascoside; apiin; luteolin-7-O-glucoside; and o-coumaric; p-coumaric; chlorogenic; caffeic; ferulic; cichoric acids, was determined using HPLC-DAD. Among these, luteolin-7-O-glucoside, verbascoside, chlorogenic acid, and coumarin were the dominants. The highest content of flavonoids and phenolic acids was observed in 2-year-old plants, while coumarin in 4-year-old plants (272.06 mg 100 g-1 DW). When considering seasonal changes, the highest content of luteolin-7-O-glucoside was observed at the full flowering, whereas verbascoside and chlorogenic acid were observed at the seed-setting stage. Among plant organs, the content of coumarin and phenolic acids was the highest in leaves, whereas verbascoside and luteolin-7-O-glucoside were observed in flowers. The composition of essential oil was determined using GC-MS/GC-FID. In the essential oil from leaves, the dominant was 1-octen-3-ol, whilst from flowers, the dominant was α-pinene.
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Affiliation(s)
| | | | | | - Katarzyna Bączek
- Department of Vegetable and Medicinal Plants, Institute of Horticultural Sciences, Warsaw University of Life Sciences–SGGW, 166 Nowoursynowska Street, 02-787 Warsaw, Poland; (I.S.-S.); (J.L.P.); (O.K.); (Z.W.)
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Lee YS, Han JH, Kang BR, Kim YC. Dibutyl succinate, produced by an insect-pathogenic fungus, Isaria javanica pf185, is a metabolite that controls of aphids and a fungal disease, anthracnose. Pest Manag Sci 2019; 75:852-858. [PMID: 30175880 DOI: 10.1002/ps.5191] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/22/2018] [Accepted: 08/27/2018] [Indexed: 05/03/2023]
Abstract
BACKGROUND An entomopathogenic fungus, Isaria javanica pf185, causes mortality in nymphs of the green peach aphid and inhibits the growth of fungal plant pathogens. However, the metabolites of pf185 involved in these antifungal and aphicidal activities are unknown. This study was performed to identify the metabolites with these activities. RESULTS An antifungal metabolite was purified by repetitive column chromatography and preparative high-performance liquid chromatography. Based on data from mass spectrometry and nuclear magnetic resonance, the active metabolite was identified as dibutyl succinate. The minimum concentration of dibutyl succinate to inhibit germination of conidia of the cause of anthracnose, Colletotrichum acutatum, was 4 mg mL-1 . Dibutyl succinate at 2 µg mL-1 inhibited mycelial growth. It also had strong aphicidal activity against the nymphs of the green peach aphid, Myzus persicae, median lethal concentration (LC50) of 306 mg L-1 at 24 h exposure, and median lethal time (LT50) of 14.5 h at 388 mg L-1 exposure. CONCLUSION This is the first report indicating that a single metabolite, dibutyl succinate, from the beneficial fungus I. javanica, has potential for use in integrated pest management to inhibit both insect and fungal plant pathogens. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Yong-Seong Lee
- Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, South Korea
| | - Ji Hee Han
- Agricultural Microbiology Division, National Academy of Agricultural Science, RDA, Wanju, South Korea
| | - Beom Ryong Kang
- Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, South Korea
| | - Young Cheol Kim
- Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, South Korea
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Hasle Enerstvedt K, Lundberg A, Jordheim M. Characterization of Polyphenolic Content in the Aquatic Plants Ruppia cirrhosa and Ruppia maritima -A Source of Nutritional Natural Products. Molecules 2017; 23:E16. [PMID: 29271908 PMCID: PMC5943926 DOI: 10.3390/molecules23010016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 12/18/2017] [Accepted: 12/20/2017] [Indexed: 02/06/2023] Open
Abstract
Herein, the polyphenolic content in extracts of Ruppia cirrhosa (Petagna) Grande and Ruppia maritima L.was fully characterized for the first time. High amounts of the main compound chicoric acid (CA) (≤30.2 ± 4.3 mg/g) were found in both Ruppia species. In addition, eight flavonoids, namely the 3-O-glucopyranosides and 3-O-galactopyranosides, as well as malonylated 3-O-glycosides of quercetin and isorhamnetin, were isolated and identified. The antioxidant activity of Ruppia cirrhosa extracts and isolated compounds was investigated spectrophotometrically by a 1,1-diphenyl-2-picrylhydrazyl (DPPH·) radical scavenging assay. IC50 values were 31.8-175.7 μg/mL for Ruppia cirrhosa extracts and 12.1-88.4 μg/mL for isolated flavonoids. Both individual and total phenolic and flavonoid content were quantified in crude extracts using analytical HPLC. The relative high amount of total flavonoids ranged from 5.9 to 14.7 mg/g in both species, with concentrations of individual flavonoids ranging from 0.4 to 2.9 mg/g dry weight. The content of chicoric acid was twofold more in Ruppia maritima than in Ruppia cirrhosa. Seasonal variation of the quantitative content in Ruppia cirrhosa was examined. Total flavonoid content ranged from 8.4 mg/g in October to 14.7 mg/g in August, whereas the highest concentration of chicoric acid was observed in March (29.2 mg/g).
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Affiliation(s)
| | - Anders Lundberg
- Department of Geography, University of Bergen, Fosswinckelsft. 6, N-5020 Bergen, Norway.
| | - Monica Jordheim
- Department of Chemistry, University of Bergen, Allégt. 41, N-5007 Bergen, Norway.
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Satyro S, Race M, Marotta R, Dezotti M, Guida M, Clarizia L. Photocatalytic processes assisted by artificial solar light for soil washing effluent treatment. Environ Sci Pollut Res Int 2017; 24:6353-6360. [PMID: 27044292 DOI: 10.1007/s11356-016-6431-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 03/07/2016] [Indexed: 06/05/2023]
Abstract
Contaminated soil has become a growing issue in recent years. The most common technique used to remove contaminants (such as metals) from the soil is the soil washing process. However, this process produces a final effluent containing chelating agents (i.e., ethylenediaminedisuccinic acid, also known as EDDS) and extracted metals (i.e., Cu, Fe, and Zn) at concentrations higher than discharge limits allowed by the Italian and Brazilian environmental law. Therefore, it is necessary to develop further treatments before its proper disposal or reuse. In the present study, soil washing tests were carried out through two sequential paths. Moreover, different artificial sunlight-driven photocatalytic treatments were used to remove Cu, Zn, Fe, and EDDS from soil washing effluents. Metal concentrations after the additional treatment were within the Brazilian and Italian regulatory limits for discharging in public sewers. The combined TiO2-photocatalytic processes applied were enough to decontaminate the effluents, allowing their reuse in soil washing treatment. Ecotoxicological assessment using different living organisms was carried out to assess the impact of the proposed two-step photocatalytic process on the effluent ecotoxicity. Graphical Abstract ᅟ.
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Affiliation(s)
- Suéllen Satyro
- Federal University of Rio de Janeiro, COPPE-Chemical Engineering Program, Centro de Tecnologia, Cidade Universitária, Bloco G, sala 115, Rio de Janeiro, Brazil.
| | - Marco Race
- Dipartimento di Ingegneria Civile, Edile ed Ambientale, Università di Napoli "Federico II", Via Claudio 21, 80125, Naples, Italy
| | - Raffaele Marotta
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli "Federico II", P.le V. Tecchio 80, 80125, Naples, Italy
- Centro Interdipartimentale di Ricerca Ambiente, Università di Napoli Federico II, via Mezzocannone 16, 80136, Naples, Italy
| | - Márcia Dezotti
- Federal University of Rio de Janeiro, COPPE-Chemical Engineering Program, Centro de Tecnologia, Cidade Universitária, Bloco G, sala 115, Rio de Janeiro, Brazil
| | - Marco Guida
- Dipartimento di Biologia, Università di Napoli "Federico II", via Cinthia ed. 7, 80126, Naples, Italy
| | - Laura Clarizia
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli "Federico II", P.le V. Tecchio 80, 80125, Naples, Italy
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Brieudes V, Angelis A, Vougogiannopoulou K, Pratsinis H, Kletsas D, Mitakou S, Halabalaki M, Skaltsounis LA. Phytochemical Analysis and Antioxidant Potential of the Phytonutrient-Rich Decoction of Cichorium spinosum and C. intybus. Planta Med 2016; 82:1070-8. [PMID: 27220071 DOI: 10.1055/s-0042-107472] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The Cretan diet, as the basis of the Mediterranean diet, has provided traditional remedies for the general well being of people through the long-established consumption of cooked wild greens and vegetables. The intake of the water decoctions of Cichorium spinosum and Cichorium intybus in the context of the daily dietary regime in Greece has been long associated with "liver detoxifying" properties. In the current study, we performed an in-depth investigation of the water decoctions traditionally prepared from C. spinosum and C. intybus through qualitative UHPLC-HRMS profiling and direct quantification of cichoric and caftaric acid as major antioxidant components of the decoction. In addition, we developed a one-step countercurrent chromatography method for the isolation of the two phenolic acids, along with a sulfoconjugate sesquiterpene lactone present only in the Cretan C. spinosum. All water decoctions were found not to be cytotoxic in human fibroblasts, whereas they all significantly reduced the intracellular reactive oxygen species, which is consistent with the major presence of strong antioxidant compounds such as cichoric acid. This work demonstrates that the intake of these decoctions in doses suggested by Greek traditional use is comparable to the ingestion of a phytomedical preparation of antioxidants. These results contribute to our current knowledge on the beneficial health effect of the Cretan diet.
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Affiliation(s)
- Vincent Brieudes
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
| | - Apostolis Angelis
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
| | - Konstantina Vougogiannopoulou
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
| | - Harris Pratsinis
- Laboratory of Cell Proliferation & Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research-Demokritos, Athens, Greece
| | - Dimitris Kletsas
- Laboratory of Cell Proliferation & Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research-Demokritos, Athens, Greece
| | - Sofia Mitakou
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
| | - Maria Halabalaki
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
| | - Leandros A Skaltsounis
- Department of Pharmacognosy and Natural Product Chemistry, Faculty of Pharmacy, University of Athens, Panepistimiopolis Zografou, Athens, Greece
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Fan GX, Zhi DJ, Ren H, Li ZY, Hu QL, Liu YH, Zhang ZX, Fei DQ. A New Succinate Derivative from Ajuga decumbens. Nat Prod Commun 2016; 11:497-498. [PMID: 27396203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023] Open
Abstract
A new succinate derivative, ethyl (5-formylfuran-2-yl)methyl succinate (1), along with three known compounds (2-4) have been isolated from the whole plants of Ajuga decumbens Thunb. Their structures were elucidated by extensive spectroscopic (1D and 2D NMR) and HR-ESI-MS data analysis, and literature values. Compound 1 was isolated as a new succinate derivative, and compounds 2 and 3 were for the first time separated from A. decumbens.
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Wang W, Xu P, Tang H. Sustainable production of valuable compound 3-succinoyl-pyridine by genetically engineering Pseudomonas putida using the tobacco waste. Sci Rep 2015; 5:16411. [PMID: 26574178 PMCID: PMC4647180 DOI: 10.1038/srep16411] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 10/14/2015] [Indexed: 11/08/2022] Open
Abstract
Treatment of solid and liquid tobacco wastes with high nicotine content remains a longstanding challenge. Here, we explored an environmentally friendly approach to replace tobacco waste disposal with resource recovery by genetically engineering Pseudomonas putida. The biosynthesis of 3-succinoyl-pyridine (SP), a precursor in the production of hypotensive agents, from the tobacco waste was developed using whole cells of the engineered Pseudomonas strain, S16dspm. Under optimal conditions in fed-batch biotransformation, the final concentrations of product SP reached 9.8 g/L and 8.9 g/L from aqueous nicotine solution and crude suspension of the tobacco waste, respectively. In addition, the crystal compound SP produced from aqueous nicotine of the tobacco waste in batch biotransformation was of high purity and its isolation yield on nicotine was 54.2%. This study shows a promising route for processing environmental wastes as raw materials in order to produce valuable compounds.
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Affiliation(s)
- Weiwei Wang
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
| | - Ping Xu
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
| | - Hongzhi Tang
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
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Saad EM, Madbouly A, Ayoub N, El Nashar RM. Preparation and application of molecularly imprinted polymer for isolation of chicoric acid from Chicorium intybus L. medicinal plant. Anal Chim Acta 2015; 877:80-9. [PMID: 26002213 DOI: 10.1016/j.aca.2015.03.047] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 02/25/2015] [Accepted: 03/26/2015] [Indexed: 11/26/2022]
Abstract
Molecularly imprinted polymer (MIP) was synthesized and applied for the extraction of chicoric acid from Chicory herb (Chicorium intybus L.). A computational study was developed to find a suitable template to functional monomer molar ratio for MIP preparations. The molar ratio was chosen based on the comparison of the binding energy of the complexes between the template and functional monomers. Based on the computational results, eight different polymers were prepared using chicoric acid as the template. The MIPs were synthesized in a non-covalent approach via thermal free-radical polymerization, using two different polymerization methods, bulk and suspension. Batch rebinding experiments were performed to evaluate the binding properties of the imprinted polymers. The best results were obtained with a MIP prepared using bulk polymerization with 4-vinylpyridine (4-VP) as the functional monomer and ethylene glycol dimethacrylate (EGDMA) as the crosslinker with a molar ratio of 1:4:20. The best MIP showed selective binding ability toward chicoric acid in the presence of the template's structural analogues, caffeic acid, caftaric acid and chlorogenic acid.
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Affiliation(s)
- Engy M Saad
- Pharmaceutical Chemistry Department, Faculty of Pharmacy and Biotechnology, The German University in Cairo, Cairo, Egypt
| | - Adel Madbouly
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Nahla Ayoub
- Pharmaceutical Chemistry Department, Faculty of Pharmacy and Biotechnology, The German University in Cairo, Cairo, Egypt; Department of Pharmacology, Faculty of Medicine, Umm Al Qurah University, Saudi Arabia
| | - Rasha Mohamed El Nashar
- Pharmaceutical Chemistry Department, Faculty of Pharmacy and Biotechnology, The German University in Cairo, Cairo, Egypt; Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt.
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Han C, Furukawa H, Tomura T, Fudou R, Kaida K, Choi BK, Imokawa G, Ojika M. Bioactive Maleic Anhydrides and Related Diacids from the Aquatic Hyphomycete Tricladium castaneicola. J Nat Prod 2015; 78:639-644. [PMID: 25875311 DOI: 10.1021/np500773s] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Four maleic anhydride derivatives, tricladolides A-D (1-4), and three alkylidene succinic acid derivatives, tricladic acids A-C (5-7), were isolated from the aquatic hyphomycete Tricladium castaneicola. The structures of these compounds were determined by spectroscopic analysis, and all were found to be novel. The compounds exhibited inhibitory activity against fungi, particularly Phytophthora sp., a plant pathogen of oomycetes. The inhibitory activity of these metabolites revealed the importance of the cyclic anhydride structure and the lipophilicity of the alkyl side chain. On the other hand, the cytotoxicity of the compounds against B16 melanoma cells indicated that the cyclic anhydride structure was not essential.
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Affiliation(s)
- Chunguang Han
- †Research Center for Materials Science, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan
| | - Hiroyuki Furukawa
- ‡Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan
| | - Tomohiko Tomura
- ‡Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan
| | | | - Kenichi Kaida
- ⊥Institute for Innovation, Ajinomoto Co., Inc., Kawasaki, Kanagawa 210-8681, Japan
| | - Bong-Keun Choi
- ∥Center for Nutraceutical and Pharmaceutical Materials, Myongji University, Cheoin-gu, Yongin, Gyeonggi-Do 449-728, Korea
| | - Genji Imokawa
- #Research Institute for Biological Functions, Chubu University, Kasugai 487-8501, Japan
| | - Makoto Ojika
- ‡Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan
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Yu H, Tang H, Xu P. Green strategy from waste to value-added-chemical production: efficient biosynthesis of 6-hydroxy-3-succinoyl-pyridine by an engineered biocatalyst. Sci Rep 2014; 4:5397. [PMID: 24953905 PMCID: PMC4066252 DOI: 10.1038/srep05397] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 06/03/2014] [Indexed: 12/04/2022] Open
Abstract
Value-added intermediates produced by microorganisms during the catabolism of N-heterocycles are potential building blocks for agrochemical synthesis and pharmaceutical production. 6-Hydroxy-3-succinoyl-pyridine (HSP), an intermediate in nicotine degradation, is an important precursor for the synthesis of drugs and compounds with biological activities. In the present study, we show that an engineered biocatalyst, Pseudomonas putida P-HSP, efficiently produced HSP from the renewable raw material of tobacco-waste that contains a high concentration of nicotine. The genetically constructed strain P-HSP realized a high accumulation of HSP, and HSP production was 3.7-fold higher than the non-engineered strain S16. Under optimal conditions, HSP was produced at high concentrations of 6.8 g l(-1) and 16.3 g l(-1) from tobacco-waste and nicotine, respectively. This work demonstrates a green strategy to block the catabolic pathway of N-heterocycles, which is a promising approach for the mutasynthesis of valuable compounds.
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Affiliation(s)
- Hao Yu
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Hongzhi Tang
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Ping Xu
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
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Zhang HL, Dai LH, Wu YH, Yu XP, Zhang YY, Guan RF, Liu T, Zhao J. Evaluation of hepatocyteprotective and anti-hepatitis B virus properties of Cichoric acid from Cichorium intybus leaves in cell culture. Biol Pharm Bull 2014; 37:1214-20. [PMID: 24759764 DOI: 10.1248/bpb.b14-00137] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hepatitis B is the most common serious liver infection in the world. To date, there is still no complete cure for chronic hepatitis B. Natural caffeic acid analogues possess prominent antiviral activity, especially anti-hepatitis B virus (HBV) and anti-human immunodeficiency virus effects. Cichoric acid is a caffeic acid derivative from Cichorium intybus. In the study, the anti-hepatitis B property of cichoric acid was evaluated by the D-galactosamine (D-GalN)-induced normal human HL-7702 hepatocyte injury model, the duck hepatitis B virus (DHBV)-infected duck fetal hepatocytes and the HBV-transfected cell line HepG2.2.15 cells, respectively. The results showed that cichoric acid attenuated significantly D-GalN-induced HL-7702 hepatocyte injury at 10-100 µg/mL and produced a maximum protection rate of 56.26%. Moreover, cichoric acid at 1-100 µg/mL inhibited markedly DHBV DNA replication in infected duck fetal hepatocytes. Also, cichoric acid at 10-100 µg/mL reduced significantly the hepatitis B surface and envelope antigen levels in HepG2.2.15 cells and produced the maximum inhibition rates of 79.94% and 76.41%, respectively. Meanwhile, test compound at 50-100 µg/mL inhibited markedly HBV DNA replication. In conclusion, this study verifies the anti-hepatitis B effect of cichoric acid from Cichorium intybus leaves. In addition, cichoric acid could be used to design the antiviral agents.
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Affiliation(s)
- Hong-Li Zhang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, Department of Pharmacy, College of Life Sciences, China Jiliang University
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Antia BS, Aree T, Kasettrathat C, Wiyakrutta S, Ekpa OD, Ekpe UJ, Mahidol C, Ruchirawat S, Kittakoop P. Itaconic acid derivatives and diketopiperazine from the marine-derived fungus Aspergillus aculeatus CRI322-03. Phytochemistry 2011; 72:816-820. [PMID: 21397285 DOI: 10.1016/j.phytochem.2011.02.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Revised: 12/27/2010] [Accepted: 02/14/2011] [Indexed: 05/30/2023]
Abstract
Three metabolites, pre-aurantiamine (1), (-)-9-hydroxyhexylitaconic acid (4) and (-)-9-hydroxyhexylitaconic acid-4-methyl ester (5), together with two known compounds, paraherquamide E (6) and secalonic acid D (7), were isolated from the marine-derived fungus, Aspergillus aculeatus.
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Kour K, Bani S. Chicoric acid regulates behavioral and biochemical alterations induced by chronic stress in experimental Swiss albino mice. Pharmacol Biochem Behav 2011; 99:342-8. [PMID: 21620882 DOI: 10.1016/j.pbb.2011.05.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Revised: 05/08/2011] [Accepted: 05/10/2011] [Indexed: 11/18/2022]
Abstract
The present study was taken up to see the effect of chicoric acid (CA) on behavioral and biochemical alterations induced by chronic restraint stress in experimental Swiss albino mice. CA at 1mg/kg dose level exhibited considerable antidepressant activity as shown by significant decrease in immobility period in the Porsolt's swim stress-induced behavioral despair test and escape failures in Learned "helplessness test". The antidepressant activity shown by CA can be attributed to its modulating effect on nor-adrenaline (NA), dopamine (DA) and 5- hydroxy tryptamine (5-HT) as shown by their quantification in CA treated chronically stressed mice. Further, a significant antioxidant effect was exhibited by CA as shown by estimation of lipid peroxidation, glutathione (GSH) and glycogen in liver of chronically stressed mice. It also normalized altered values of serum glucose, triglycerides, aspartate aminotransferase (AST) alanine aminotransferase (ALT) and alkaline phosphatase (ALP) in a dose dependent manner. The stress busting potential of CA was further confirmed by its regulating effect on raised plasma corticosterone levels and significant attenuation of the depleted ascorbic acid, cholesterol and corticosterone levels in adrenal glands. Thus, our results suggest that CA possesses considerable stress busting potential, and that anti-oxidation may be one of the mechanisms underlying its antistress action.
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Affiliation(s)
- Kiranjeet Kour
- Department of Pharmacology, Indian Institute of Integrative Medicine, Jammu Tawi 180001, India.
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15
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Park CM, Park JY, Noh KH, Shin JH, Song YS. Taraxacum officinale Weber extracts inhibit LPS-induced oxidative stress and nitric oxide production via the NF-κB modulation in RAW 264.7 cells. J Ethnopharmacol 2011; 133:834-842. [PMID: 21075189 DOI: 10.1016/j.jep.2010.11.015] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 10/31/2010] [Accepted: 11/03/2010] [Indexed: 05/30/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The common dandelion (Taraxacum officinale G.H. Weber ex Wiggers, Asteraceae) has been widely used in folklore medicine to treat dyspepsia, heartburn, and spleen and liver disorders. AIM OF THE STUDY To compare the antioxidative and anti-inflammatory activities of Taraxacum officinale methanol extract (TOME) and water extract (TOWE) in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells and assess their constitutional differences, including luteolin, chicoric acid, and total phenol content. MATERIALS AND METHODS Antioxidative enzyme activities, nitric oxide (NO) production, and inducible NO synthase (iNOS) and nuclear factor (NF)-κB expression were estimated by biochemical analysis, the Griess reaction, reverse transcription-polymerase chain reaction, western hybridization, and electrophoretic mobility shift assay. High-performance liquid chromatography and the Folin-Ciocalteau method were used to analyze functional phytochemicals and total phenol content. RESULTS TOME and TOWE significantly reduced NO production with an IC(50) of 79.9 and 157.5 μg/mL, respectively, without cytotoxicity. Depleted glutathione (GSH) and antioxidative enzyme activities, including superoxide dismutase, catalase, GSH-peroxidase, and GSH-reductase, were restored by dandelion extracts. Both extracts inhibited LPS-stimulated iNOS gene expression and that of its transcription factor, NF-κB, in parallel with nitrite reduction. TOME showed more potent antioxidative and anti-inflammatory capacities than TOWE, which was attributable to its high total phenol, luteolin, and chicoric acid content. CONCLUSIONS These results indicate that TOME and TOWE inhibit oxidative stress and inflammatory responses through elevated de novo synthesis of antioxidative enzymes and suppression of iNOS expression by NF-κB inactivation.
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Affiliation(s)
- Chung Mu Park
- Department of Smart Foods and Drugs, Inje University, Obang-dong 607, Gimhae, Gyeongnam 621-749, Republic of Korea
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Iwanaga A, Kusano G, Warashina T, Miyase T. Hyaluronidase inhibitors from "Cimicifugae Rhizoma" (a mixture of the rhizomes of Cimicifuga dahurica and C. heracleifolia). J Nat Prod 2010; 73:573-8. [PMID: 20192237 DOI: 10.1021/np900675n] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
From the 80% acetone extract of "Cimicifugae Rhizoma" (a mixture of Cimicifuga dahurica and C. heracleifolia used medicinally), seven new fukiic acid derivatives (1-7) and a new phenylethanoid derivative (8) were isolated along with eight known compounds (9-16). Fukinolic acid (9) and cimicifugic acids A-J (10-16, 5-7) showed stronger hyaluronidase inhibitory activities than the positive control, rosmarinic acid.
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Affiliation(s)
- Atsufumi Iwanaga
- School of Pharmaceutical Sciences, University of Shizuoka, Yada 52-1, Suruga-ku, Shizuoka 422-8526, Japan
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Wang YN, Tian L, Hua HM, Lu X, Sun S, Wu HH, Pei YH. Two new compounds from the broth of the marine fungus Penicillium griseofulvum Y19-07. J Asian Nat Prod Res 2009; 11:912-917. [PMID: 20183253 DOI: 10.1080/10286020903219923] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Two new compounds, 4-hydroxyphenethyl methyl succinate (1) and 4-hydroxyphenethyl 2-(4-hydroxyphenyl)acetate (2), were isolated from the EtOAc extract of the broth of the marine fungus Penicillium griseofulvum Y19-07. Five known compounds were also obtained in this study. The structures of the new compounds were elucidated by 1D and 2D NMR spectroscopy and mass spectrometry. All of the isolates were evaluated for their scavenging properties toward the 2,2-diphenyl-1-picrylhydrazyl free radical by spectroscopic assays. Also, in the cytotoxicity assay of the two new compounds against HL-60 and PC-3 prostate cancer cell lines, compound 2 showed potential activity with an IC(50) value of 64.5 microM against human HL-60 cancer cells.
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Affiliation(s)
- Ya-Nan Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
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Li M, Wang YF, Ma B, Liu GT, Zhang JJ. [Effect and mechanism of Coeloglossum viride var. bracteatum extract on scopolamine-induced deficits of learning and memory behavior of rodents]. Yao Xue Xue Bao 2009; 44:468-472. [PMID: 19618720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The aim of the present study is to investigate the effect and mechanism of Coeloglossum viride var. bracteatum extract (CE) on scopolamine-induced learning and memory deficits. Learning and memory deficits of mice were evaluated by step-down passive avoidance test. Long-term potentiation of rats was detected in the dentate gyrus of hippocampus. Brain acetylcholinesterase (AChE) and choline acetyltransferase (ChAT) activities were also determined. The results showed that scopolamine impaired learning and memory performance and LTP induction in hippocampus. Oral administration of CE (5, 10, and 20 mg x kg(-1)) significantly alleviated scopolamine-induced memory deficits measured by step-down test (P < 0.05). CE (5 mg x kg(-1), ip) significantly reversed the inhibitory effect of scopolamine on LTP in rats. In addition, CE was found to increase the activity of ChAT in rat brain. These results suggested that CE could alleviate scopolamine-induced learning and memory deficits, which might be due to the LTP-improvement and ChAT activity enhancement.
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Affiliation(s)
- Min Li
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Key Laboratory Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Beijing 100050, China
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Abstract
Two new compounds, 1,3-bis(m-carboxylphenyl)-propan-2-one (1) and 2-(m-carboxylphenyl)-3-(m-carboxylbenzyl) succinic acid (2), were isolated from the barks of Cerbera manghas, and their structures were established on the basis of spectroscopic methods.
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Affiliation(s)
- Xiao-Po Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
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Nakamura Y, Matsumoto T, Nomoto F, Ueda M, Fukuda H, Kondo A. Enhancement of Activity of Lipase-Displaying Yeast Cells and Their Application to Optical Resolution of (R,S)-1-Benzyloxy-3-Chloro-2-Propyl Monosuccinate. Biotechnol Prog 2006; 22:998-1002. [PMID: 16889376 DOI: 10.1021/bp060136m] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Rhizopus oryzae lipase (ROL) was displayed on the cell surface of Saccharomyces cerevisiae via the Flo1 N-terminal region (1100 amino acids), which corresponds to a flocculation functional domain. The activity of lipase-displaying yeast whole-cell biocatalysts was enhanced 7.3-fold by incubation of the yeast cells at 20 degrees C in distilled water for 8 days after 8 day cultivation. The amount of lipase molecules present in cell wall and intracellular fractions was found to be increased 4.5- and 1.8-fold, respectively, by incubation, which proves that ROL molecules are expressed during incubation. The ROL-displaying yeast whole-cell biocatalyst with enhanced activity was successfully catalyzed by optical resolution of the pharmaceutical precursor (R,S)-1-benzyloxy-3-chloro-2-propyl monosuccinate. Moreover, it showed stable activity through at least eight reaction cycles. These results demonstrate that ROL-displaying yeast cells with enhanced activity by incubation in distilled water are very effective in industrial bioconversion processes.
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Affiliation(s)
- Yurie Nakamura
- Department of Chemical Science and Engineering, Faculty of Engineering, Kobe University, Nada-ku, Japan
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Chen P. Development and validation of a high-throughput based on liquid chromatography with ultraviolet absorption and mass spectrometry detection method for quantitation of cichoric acid in Echinacea purpurea aerial-based dietary supplements. J AOAC Int 2006; 89:612-8. [PMID: 16792059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A new, rapid, and reproducible reversed-phased liquid chromatography (LC) method with ultraviolet (UV) absorption and/or mass spectrometry (MS) detection has been developed and validated for quantitation of cichoric acid, a major constituent of Echinacea spp. The method involves the use of a short Phenomenex Hydro-RP C18 column (4 microm, 50 mm x 3.0 mm id) and a simple isocratic mobile phase profile. Both UV (diode array detector) and selective-ion monitoring (SIM) at m/z 472.8 were used for quantitation of cichoric acid. The limit of detection was 0.75 ng for UV and 0.15 ng for MS-SIM, and the limit of quantitation was is 2.5 ng for UV and 0.5 ng for MS-SIM. Water-methanol (1 + 1) soluble extracts of 6 commercially available Echinacea purpurea aerial parts-based dietary supplements (EPADS). EPADS were first profiled using a traditional HPLC-UV method. Their UV chromatograms were compared, and cichoric acid was identified to be a key biomarker for EPADS. Then the samples were analyzed by the fast LC-UV/MS method. The turnaround time for a single analysis was 3 min, compared to 15 to 60 min needed for traditional reported LC methods. The high-throughput method was able to separate the cichoric acid peak from peaks of other components in extracts of complex matrixes of EPADS.
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Affiliation(s)
- Pei Chen
- U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Food Composition Laboratory, Bldg 161, BARC-East, Beltsville, MD 20705, USA.
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Wang X, Geng Y, Li F, Gao Q, Shi X. Preparative separation of cichoric acid from Echinacea Purpurea by pH-zone-refining counter-current chromatography. J Chromatogr A 2006; 1103:166-9. [PMID: 16364342 DOI: 10.1016/j.chroma.2005.11.092] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2005] [Revised: 11/11/2005] [Accepted: 11/14/2005] [Indexed: 11/23/2022]
Abstract
pH-zone-refining counter-current chromatography was successfully applied to the separation of cichoric acid from Echinacea Purpurea (L.) Moench. A 3.0 g quantity of sample was separated using the following two-phase solvent system: MtBE-CH3CN-water (4:1:5, v/v), 10 mM trifluoroacetic acid in organic stationary phase and 10 mM ammonia in aqueous mobile phase. The obtained fractions were analyzed by high-performance liquid chromatography and negative ion electrospray ionization mass spectrometry. Double separations were performed with the same solvent system yielding 563 mg cichoric acid at 95.6% purity.
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Affiliation(s)
- Xiao Wang
- Shandong Analysis and Test Center, Shandong Academy of Sciences, 19 Keyuan Street, Jinan, Shandong 250014, China.
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Paunovic I, Schulin R, Nowack B. Evaluation of immobilized metal-ion affinity chromatography for the fractionation of natural Cu complexing ligands. J Chromatogr A 2005; 1100:176-84. [PMID: 16223503 DOI: 10.1016/j.chroma.2005.09.055] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2005] [Revised: 09/19/2005] [Accepted: 09/23/2005] [Indexed: 11/15/2022]
Abstract
An immobilized metal-ion affinity chromatography (IMAC) method has been developed and validated for the separation of copper complexing ligands from soil solution. We first investigated the retention behavior of simple model ligands on the IMAC column and found that the ability to form ternary complexes of the structure Cu-IDA-ligand was the dominant factor influencing ligand retention on the IMAC column. The logK value of the Cu-complex was found to have only a minor influence on the retention. Legends containing only carboxylic acid functional groups were not retained on the column. To optimize reproducibility and quantitative recovery of copper ligands from soil solution, different composition and pH values of eluting buffer were tested. Soil solution chromatograms exhibited one non-retained fraction and two retained fractions. The elution times of the retained fractions were characteristic of peptides and proteins (first peak) and for compounds containing aromatic amines (second peak). The results show that IMAC is an effective tool for the fractionation of copper complexing ligands that are capable of forming ternary complexes.
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Affiliation(s)
- Irena Paunovic
- Institute of Terrestrial Ecology, Swiss Federal Institute of Technology (ETH), Zürich, Switzerland
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Wang M, Wu H, Xu F, Zhang Y. [Study on optimizing the extraction process of total free organic acids in Pinellia ternate Breit]. Zhong Yao Cai 2004; 27:524-5. [PMID: 15551970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
OBJECTIVE To optimize the extraction process of total free organic acids in Pinellia ternate Breit. METHOD The optimum extraction was investigated by total free organic acids determined by direct potential titration. The concentration of ethanol, amount of ethanol, extraction time and extraction times were the four factors in the experiment. RESULTS The optimum extraction process was adding 10 times amount of 75% ethanol, refluxing for 2 times, 1 h each time. CONCLUSION This extraction process shows higher yield of total free organic acids in Pinellia ternate Breit and is available for industrial production.
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Affiliation(s)
- Mei Wang
- Research Center for Marine Drugs, Nanjing University of Traditional Chinese Medicine, Nanjing 210029
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25
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Morasch B, Schink B, Tebbe CC, Meckenstock RU. Degradation of o-xylene and m-xylene by a novel sulfate-reducer belonging to the genus Desulfotomaculum. Arch Microbiol 2004; 181:407-17. [PMID: 15127183 DOI: 10.1007/s00203-004-0672-6] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2003] [Revised: 03/25/2004] [Accepted: 03/26/2004] [Indexed: 10/26/2022]
Abstract
A strictly anaerobic bacterium, strain OX39, was isolated with o-xylene as organic substrate and sulfate as electron acceptor from an aquifer at a former gasworks plant contaminated with aromatic hydrocarbons. Apart from o-xylene, strain OX39 grew on m-xylene and toluene and all three substrates were oxidized completely to CO(2). Induction experiments indicated that o-xylene, m-xylene, and toluene degradation were initiated by different specific enzymes. Methylbenzylsuccinate was identified in supernatants of cultures grown on o-xylene and m-xylene, and benzylsuccinate was detected in supernatants of toluene-grown cells, thus indicating that degradation was initiated in all three cases by fumarate addition to the methyl group. Strain OX39 was sensitive towards sulfide and depended on Fe(II) in the medium as a scavenger of the produced sulfide. Analysis of the PCR-amplified 16S rRNA gene revealed that strain OX39 affiliates with the gram-positive endospore-forming sulfate reducers of the genus Desulfotomaculum and is the first hydrocarbon-oxidizing bacterium in this genus.
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Affiliation(s)
- Barbara Morasch
- Fakultät für Biologie, Universität Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany
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Amirta R, Fujimori K, Shirai N, Honda Y, Watanabe T. Ceriporic acid C, a hexadecenylitaconate produced by a lignin-degrading fungus, Ceriporiopsis subvermispora. Chem Phys Lipids 2003; 126:121-31. [PMID: 14623447 DOI: 10.1016/s0009-3084(03)00098-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A lignin-degrading basidiomycete, Ceriporiopsis subvermispora produces a series of alkyl- and alkenylitaconates (ceriporic acids). Previously, two alkylitaconic acids with tetradecyl and hexadecyl side chains were isolated and identified as 1-heptadecene-2,3-dicarboxylic acid (ceriporic acid A) and 1-nonadecene-2,3-dicarboxylic acid (ceriporic acid B). In the present study, one hexadecenylitaconate (ceriporic acid C) was isolated and its chemical structure was analyzed by glycolation and subsequent (1) trimethylsilation, or (2) acetalation with acetone and acetone-d6. Analyses of the isolated metabolite demonstrated that the hexadecenylitaconic acid was (Z)-1,10-nonadecadiene-2,3-dicarboxylic acid. The structure of the side chain in ceriporic acid C was the same as that of hexadecenylcitraconate, chaetomellic acid B. Thus, it was found that ceriporic acids share close structural similarity with alk(en)yl citraconate derivatives, chaetomellic acids and other lichen lactones, protolichesterinic, lichesterinic, and murolic acids.
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Affiliation(s)
- Rudianto Amirta
- Laboratory of Biomass Conversion, Wood Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Enoki M, Honda Y, Kuwahara M, Watanabe T. Chemical synthesis, iron redox interactions and charge transfer complex formation of alkylitaconic acids from Ceriporiopsis subvermispora. Chem Phys Lipids 2002; 120:9-20. [PMID: 12426072 DOI: 10.1016/s0009-3084(02)00072-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
In 1999, we first reported that a white rot fungus, Ceriporiopsis subvermispora produced a series of novel alkylitaconic acids (ceriporic acids). In the present paper we synthesized the metabolite, 1-nonadecene-2,3-dicarboxylic acid (ceriporic acid B) by Grignard reaction to analyze chemical properties of the alkylitaconates. Mass spectrometer (MS) and nuclear magnetic resonance (NMR) spectra of the synthetic compound was identical to those of the fungal metabolite isolated. The dicarboxylic acid inhibited autoxidation of Fe(2+) to Fe(3+) as well as reduction of Fe(3+) to Fe(2+) by the strong natural reductants, cysteine, glutathione, and ascorbic acid. The formation of charge transfer complexes (CTCs) between 1-heptadecene-2,3-dicarboxylic acid and oxidized intermediates from phenolic substrates were also observed. Thus, we herein report that the new class of lipid-related metabolites produced by C. subvermispora are potential metabolites participating in the control of iron redox reactions and CTCs formation from oxidized lignin fragments.
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Affiliation(s)
- Makiko Enoki
- Laboratory of Biomass Conversion, Wood Research Institute, Kyoto University, Gokasho, Uji, 611-0011, Kyoto, Japan
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Erazo S, Zaldívar M, Delporte C, Backhouse N, Tapia P, Belmonte E, Delle Monarche F, Negrete R. Antibacterial diterpenoids from Fabiana densa var. ramulosa. Planta Med 2002; 68:361-363. [PMID: 11988864 DOI: 10.1055/s-2002-26746] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A biologically monitored fractionation of the resinous exudate of Fabiana densa Remy var. ramulosa Wedd. led to the isolation of the two new diterpenes: ent-beyer-15-en-18-O-succinate and ent-beyer-15-en-18-O-oxalate as the unique compounds responsible for the observed antibacterial activity of this extract. Their structures were determined by 1D and 2D NMR spectroscopy.
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Huang SY, Shi JG, Yang YC, Hu SL. [Studies on the chemical constituents of Coeloglossum viride (L.) Hartm. var. bracteatum (Willd.) Richter]. Yao Xue Xue Bao 2002; 37:199-203. [PMID: 12579762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
AIM To study the chemical constituents of the rhizomes of Coeloglossum viride (L.) Hartm. var. bracteatum (Willd.) Richter. METHODS The compounds were mainly isolated with normal phase and reverse phase column chromatographic methods and HPLC. Their structures were elucidated on the basis of physical constants and spectral analysis (UV, IR, EI-MS, positive and negative FAB-MS, APCI-MS, 1HNMR, 13CNMR, DEPT, 1H-1H COSY, HMQC and HMBC). RESULTS Eight compounds were obtained from the ethanolic extract of the rhizomes of this plant, dactylorhin B (I), loroglossin (II), dactylorhin A (III), militarine (IV), coelovirin A (V), gastrodin (VI), thymidine (VII) and quercetin-3,7-di-O-beta-D-glucopyranoside (VIII). CONCLUSION All the compounds were obtained from this plant and genus Coeloglossum for the first time. V named coelovirin A, is a new compound.
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Affiliation(s)
- Sheng-yang Huang
- Institute of Chinese Materia Medica, Chinese Academy of Traditional Chinese Medicine, Beijing 100700, China
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Song Q, Sanghvi YS. Unexpected results and recourse in process optimization of nucleoside 3'-O-succinates. Nucleosides Nucleotides Nucleic Acids 2001; 20:1267-70. [PMID: 11563000 DOI: 10.1081/ncn-100002533] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
An improved and scalable protocol for the synthesis of 3'-O-succinates of nucleosides has been developed using succinic anhydride. As a result, formation of unwanted dimer has been completely eliminated and use of toxic and smelly reagents have been avoided during synthesis of nucleoside succinates. All succinates were isolated in pure state without silica gel column chromatography.
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Affiliation(s)
- Q Song
- Isis Pharmaceuticals, Inc., 2292 Faraday Avenue, Carlsbad, California 92008, USA
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Chkhikvishvili ID, Kharebava GI. [Chicoric and chlorogenic acids in various plants growing in Georgia]. Prikl Biokhim Mikrobiol 2001; 37:214-7. [PMID: 11357428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
Chicoric acid was isolated from dandelion (Taraxacum officinale Wigg.) leaves by column chromatography. Conditions for HPLC analysis of chicoric and chlorogenic acids were optimized. These acids were assayed in some plants growing in Georgia. The optimum conservation temperature for the preservation of chicoric and chlorogenic acids in leaves of dandelion and bilberry (Vaccinium arctostaphylos L.) was determined.
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Affiliation(s)
- I D Chkhikvishvili
- Institute of Plant Biochemistry, Georgian Academy of Sciences, Tbilisi, 380059 Georgia, USA
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Abstract
BACKGROUND The toxic effects of guanidino compounds on enzymatic activity in uremic patients are known. Thus, we determined the hemodialysis (HD) impact on this toxicity. METHODS The erythrocyte transketolase activity (ETKA), total guanidino compounds (TGCs), and guanidinosuccinic acid (GSA) levels in plasma were compared before, after 5 hours of HD, and at 12 and 24 hours from the end of HD. Thirty-seven HD patients (28 to 49 years old) with primary glomerulopathies participated in this study. Thirty healthy volunteers (HVs) served as controls. RESULTS At the beginning of this study, ETKA was lower in uremics (1.94 +/- 0.45) than in HVs (2.59 +/- 0.26). The TGC and GSA plasma levels were higher (26.07 +/- 5.34 and 4.5 +/- 1.22) than in HVs (10.41 +/- 1.42 and 0.76 +/- 0.09, P < 0.001), respectively. After five hours of HD, the ETKA increased to 2.49 +/- 0.62 (P < 0.001). The plasma levels TGC decreased to 12.56 +/- 2.02 (P < 0.001) and the GSA to 2.12 +/- 0.68 (P < 0.001). After 12 and 24 hours from the end of HD, the ETKA decreased to 2.25 +/- 0.56 and 2.09 +/- 0.49 (P < 0.001), respectively. The plasma levels for TGC and GSA both increased: TGC to 19.39 +/- 3.67 and 25.68 +/- 4.61 (P < 0.001), respectively; GSA to 3.49 +/- 1.11 and 4.53 +/- 1.12 (P < 0.001), respectively. CONCLUSION There was no significant correlation between ETKA and the plasma levels of the examined toxins. By removing the guanidino compounds, HD temporarily decreases the inhibition of ETKA, diminishing other metabolic disturbances connected with pentose phosphate cycle.
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Affiliation(s)
- I Pietrzak
- Department of Nephrology, University of Medical Sciences, Poznañ, Poland
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33
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Mondal G, Dureja P, Sen B. Fungal metabolites from Aspergillus niger AN27 related to plant growth promotion. Indian J Exp Biol 2000; 38:84-7. [PMID: 11233092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Two metabolites have been isolated from Aspergillus niger AN27, a biocontrol agent, and identified as 2-carboxymethyl 3-n-hexyl maleic acid (compound 1) and 2-methylene-3-hexylbutanedioic acid (compound 2). Their biological activities related to crop growth promotion have been assayed. Both the compounds increased germination and improved crop vigour. Compound 1 was more effective for increase in germination and shoot length, whereas compound 2 had relatively greater role in increasing the root length and biomass of cauliflower seedlings.
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Affiliation(s)
- G Mondal
- Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi 110 012, India
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34
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Kruse SO, Löhning A, Pauli GF, Winterhoff H, Nahrstedt A. Fukiic and piscidic acid esters from the rhizome of Cimicifuga racemosa and the in vitro estrogenic activity of fukinolic acid. Planta Med 1999; 65:763-764. [PMID: 10630125 DOI: 10.1055/s-2006-960862] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Hydroxycinnamic acid esters of fukiic acid and piscidic acid were isolated from a 50% ethanolic extract obtained from the rhizomes of Cimicifuga racemosa (Ranunculaceae). Besides 2-E-caffeoylfukiic acid (fukinolic acid), 2-E-feruloylfukiic acid (cimicifugic acid A), 2-E-isoferuloylfukiic acid (cimicifugic acid B), 2-E-feruloylpiscidic acid (cimicifugic acid E) and 2-E-isoferuloylpiscidic acid (cimicifugic acid F), free caffeic, ferulic and isoferulic acids were isolated. The estrogenic activity of fukinolic acid was shown by increased proliferation (126% at 5 x 10(-8) M) of an estrogen dependent MCF-7 cell system with reference to estradiol (120% at 10(-10) M).
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35
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Abstract
The structure of sphaeric acid (1), a novel succinic acid derivative isolated from the fermentation broth of a Sphaeropsis sp., was determined by spectral data and synthetic transformation to the diol of sphaeric acid and subsequently to a pair of gamma-lactones (2 and 3).
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Affiliation(s)
- R A Wilkinson
- Montana State University, Bozeman, Montana 59717, USA
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36
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Isshiki K, Nishio M, Sakurai N, Uchida T, Okuda T, Komatsubara S. TMC-52A to D, novel cysteine proteinase inhibitors, produced by Gliocladium sp. J Antibiot (Tokyo) 1998; 51:629-34. [PMID: 9727388 DOI: 10.7164/antibiotics.51.629] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New cysteine proteinase inhibitors, TMC-52A, B, C, and D, were isolated from the fungal fermentation broth. On the basis of a taxonomical study, the producing strain, F-2665, was characterized as Gliocladium sp. Spectroscopic analyses and chemical degradation have shown TMC-52A to D to be epoxysuccinyl peptides. TMC-52A to D strongly inhibited cysteine proteinases, in particular, cathepsin L with IC50 values of 13 nM, 10nM, 10nM, and 6nM, respectively.
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Affiliation(s)
- K Isshiki
- Lead Generation Research Laboratory at Toda, Tanabe Seiyaku Co., Ltd., Saitama, Japan
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37
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Cui D, Yan M, Wong S, Zhang X, Xu D. [Chemical constituents of stems and leaves of Fritillaria ussuriensis Maxim]. Zhongguo Zhong Yao Za Zhi 1995; 20:298, 320. [PMID: 7492363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Three compounds were isolated from stems and leaves of Fritillaria ussuriensis. They were identified as adenosine, galacitiol and succinic acid.
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Affiliation(s)
- D Cui
- Academy of Traditional Chinese Medicine and Materia Medica of Jilin Province, Changchun
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38
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Cui C, Yang M, Yao Z, Cao B, Luo Z, Xu Y, Chen Y. [Antidepressant active constituents in the roots of Morinda officinalis How]. Zhongguo Zhong Yao Za Zhi 1995; 20:36-9, 62-3. [PMID: 7626209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Five compounds having antidepressant activities have been isolated from the roots of Morinda officinalis, a Chinese traditional Yang-tonic drug. These compounds were identified as succinic acid (1), nystose (2), 1F-fructofuranosylnystose (3), inulin-type hexasaccharide (4) and heptasaccharide (5) by chemical and spectroscopic methods. All of the compounds are isolated from the species of genus Morinda for the first time.
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Affiliation(s)
- C Cui
- Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing
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39
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Yuan HQ, Zuo CX. [Chemical constituents of Cynanchum thesioides K. Schum]. Zhongguo Zhong Yao Za Zhi 1992; 17:739-41, 763. [PMID: 1304755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- H Q Yuan
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Jinan
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40
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Yang, Liu J, Wang F, Cui S, Yue C. [Chemical constituents of Hedysarum polybotrys Hand.-Mazz]. Zhongguo Zhong Yao Za Zhi 1992; 17:615-6, 640. [PMID: 1294180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Butanedioic acid was isolated from the ethyl alcohol extract of Hedysarum polybotrys. The methylated carboxylic acid was identified by GC-MS method.
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Affiliation(s)
- Yang
- Institute of Chinese Materia Medica, China Academy of Traditional Chinese Medicine, Beijing
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41
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Drasar P, Pouzar V, Cerný I, Procházka M. Reversed phase high performance liquid chromatographic separation of hydroxy steroidal unsaturated esters and their hemisuccinates. Biomed Chromatogr 1992; 6:30-4. [PMID: 1600372 DOI: 10.1002/bmc.1130060109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The high performance liquid chromatographic (HPLC) separation and identification of 12 isomeric and/or highly chemically related steroids with an unsaturated ester moiety at position 17 beta has been achieved. The main stereochemical features of the steroid skeleton cover 3 alpha/beta, 5 alpha/beta or delta, and 20 E/Z, bearing the alcohol or hemisuccinate group at the 3 position. The isocratic reversed phase C18 HPLC separation employed ethanol, methanol and its mixtures with water or 0.01 M phosphoric acid as the mobile phase. The best separation of the respective alcohols from their hemisuccinates has been achieved with 20% of aqueous phase content. The best separation among isomeric or related steroids has been achieved with methanol:water 8:2 and 85:15 and similar systems containing phosphoric acid.
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Affiliation(s)
- P Drasar
- Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, Praha
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42
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Shi Y, Wang H. [Chemical constituents of Actinidia arguta (Sieb. et Zucc.) Planch. ex Miquel]. Zhongguo Zhong Yao Za Zhi 1992; 17:36-8, 64. [PMID: 1524665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Y Shi
- Zhangjiakou Medical College
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43
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Liu F, Jing Y, Peng Y, Huang Y. [Chemical constituents of Ipomola batatas Lam]. Zhongguo Zhong Yao Za Zhi 1991; 16:551-2, 575. [PMID: 1804202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Three chemical compounds isolated from the leaves and stems of Ipomoea batatas were identified as fumaric acid, succinic acid and 7,3',4'-trimethylquercetin by chemical and spectroscopic analysis. In this paper, an analysis of the amino-acids of Ipomoea batatas is also reported.
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Affiliation(s)
- F Liu
- Hunan Academy of Traditional Chinese Medicine, Changsha
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44
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Chang RS, Ding L, Chen GQ, Pan QC, Zhao ZL, Smith KM. Dehydroandrographolide succinic acid monoester as an inhibitor against the human immunodeficiency virus. Proc Soc Exp Biol Med 1991; 197:59-66. [PMID: 1708503 DOI: 10.3181/00379727-197-43225] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Dehydroandrographolide succinic acid monoester (DASM) is the dehydroandrographolyl ester of succinic acid; and andrographolide, from which DASM is made, is the major diterpenoid lactone found in the Chinese medicinal herb, Andrographis paniculata. DASM has been found to be an inhibitor against the human immunodeficiency virus (HIV) in vitro. It was nontoxic to the H9 cell at the concentrations of 50-200 (average, 108) micrograms/ml and was inhibitory to the HIV-1 (IIIB) at the minimal concentration of 1.6-3.1 (average 2.0) micrograms/ml. It was also inhibitory to two other strains of HIV-1 and a strain of HIV-2. This inhibitory effect could also be demonstrated in cultures of activated human blood mononuclear cells; the 50% toxic dose and the 50% HIV inhibitory dose were about 200-greater than or equal to 400 and 0.8-2 micrograms/ml, respectively. At the subtoxic concentration, DASM partially interfered with HIV-induced cell fusion and with the binding of HIV to the H9 cell. Presumably, it also interfered with HIV replication at another unidentified step(s).
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Affiliation(s)
- R S Chang
- Department of Medical Microbiology, University of California, Davis 95616
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45
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Zeng X, Fang Z, Ma J. [Chemical constituents of Osbeckia chinensis L]. Zhongguo Zhong Yao Za Zhi 1991; 16:99-101, 127. [PMID: 1872973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Five constituents, 2-furoic acid, succinic acid, ursolic acid, quercetin and daucosterol were isolated and identified from Osbeckia chinensis. All of them are reported to have been found from this plant for the first time.
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Affiliation(s)
- X Zeng
- Jiangxi Institute of Materia Medica, Nanchang
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46
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Wang X, Zhang Q. [Studies of the chemical constituents of Ardisia pusilla A. DC]. Zhongguo Zhong Yao Za Zhi 1990; 15:166-7, 191. [PMID: 2085404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Six chemical compounds isolated from the leaves and stems of Ardisia pusilla were identified as gallic acid (I), succinic acid (II), naringenin-6-C-glucoside (III), kaempferol-3-O-beta-D-galactoside (IV) by chemical and spectroscopic analysis. They were isolated from Ardisia plant for the first time.
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Affiliation(s)
- X Wang
- West China University of Medical Sciences, Chengdu
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47
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Zang YW. [Studies on the chemical constituents of Schizonepeta mulifida (L.) Briq]. Zhongguo Zhong Yao Za Zhi 1989; 14:544-5, 574-5. [PMID: 2511873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Four acidic constituents have been isolated from the spikes of Schizonepeta mulifida. They were identified as docosanoic acid, tetracosanic acid, succinic acid and deoxyoleanolic acid by physico-chemical constants and spectroscopic analysis. They were isolated for the first time from Schizonepeta.
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48
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Song ZZ, Jia ZJ. [Studies on the chemical constituents of Arisaema fargesii Buchett]. Zhongguo Zhong Yao Za Zhi 1989; 14:480-2, 511. [PMID: 2508671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Heptatriacontane, benzoic acid, succinic acid, palmitic acid, stearic acid, beta-sitosterol, stigmasterol, daucosterol, D-mannitol, D-glucose, sucrose and choline chloride were isolated from the roots of Arisaema fargesii collected from Gansu Province. Their structures were elucidated by spectroscopic methods and a few chemical transformations. The twelve compounds have not been reported before as constituents of Arisaema fargesii.
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49
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Yuan AX. [Chemical constituents of Drymaria cordata]. Zhong Yao Tong Bao 1987; 12:36-7. [PMID: 2954703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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50
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Nishikiori T, Okuyama A, Naganawa H, Takita T, Hamada M, Takeuchi T, Aoyagi T, Umezawa H. Production by actinomycetes of (S,S)-N,N'-ethylenediamine-disuccinic acid, an inhibitor of phospholipase C. J Antibiot (Tokyo) 1984; 37:426-7. [PMID: 6327594 DOI: 10.7164/antibiotics.37.426] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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