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Kannan KP, As SG. Anticandidal effect of cinnamic acid characterized from Cinnamomum cassia bark against the fluconazole resistant strains of Candida. Braz J Microbiol 2024:10.1007/s42770-024-01469-w. [PMID: 39046694 DOI: 10.1007/s42770-024-01469-w] [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: 04/03/2024] [Accepted: 07/19/2024] [Indexed: 07/25/2024] Open
Abstract
Candida spp., causes invasive fungal infections, especially in immune-compromised patients and the propensity of antifungal resistance against azole-based drugs need to be addressed. This study is thus aimed to characterize the anticandidal effect of the cinnamic acid extracted from the barks of Cinnamomum cassia. Five species of Fluconazole-resistant Candida sp. were retrieved from the department repertoire. The extraction of CA was performed by three different methods followed by silica gel column chromatography. Eluant was subjected to FTIR and XRD analysis for confirmation. The anticandidal activity of the CA was checked by the agar disc diffusion method and the MIC and MFC were determined. The anti-biofilm effect of CA was assessed using the CLSM technique followed by the biocompatibility check using MTT assay in normal HGF cell lines. CA was best extracted with the hot maceration method using ethanol with a maximum yield of 6.73 mg. Purification by column chromatography was achieved using benzene, acetic acid, and water (6:7:3) mobile phase. CA was confirmed by FTIR with absorption peaks and by XDR based on strong intensity. CA was found to possess promising anticandidal activity at 8 µg/mL with MIC and MFC values determined as 0.8 µg/mL and 0.08 µg/mL respectively. Antibiofilm activity by CLSM analysis revealed biofilm inhibition and was biocompatible at 8.5 µg/ml concentrations in HGF cell lines until 24 h. The study findings conclude that CA is the best alternative to treat candidal infection warranting further experimental preclinical studies.
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Affiliation(s)
- Kannika Parameshwari Kannan
- Department of Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, P.H.Road, Chennai, Tamilnadu, 600077, India
| | - Smiline Girija As
- Department of Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, P.H.Road, Chennai, Tamilnadu, 600077, India.
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2
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Thant MT, Bhummaphan N, Wuttiin J, Puttipanyalears C, Chaichompoo W, Rojsitthisak P, Punpreuk Y, Böttcher C, Likhitwitayawuid K, Sritularak B. New Phenolic Glycosides from Coelogyne fuscescens Lindl. var. brunnea and Their Cytotoxicity against Human Breast Cancer Cells. ACS OMEGA 2024; 9:7679-7691. [PMID: 38405545 PMCID: PMC10883021 DOI: 10.1021/acsomega.3c07048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/27/2024]
Abstract
The phytochemical investigation of the whole plants of Coelogyne fuscescens Lindl. var. brunnea led to the discovery of three new phenolic glycosides, i.e., coelofusides A-C (1-3) and 12 known compounds (4-15). For the first time, we reported the nuclear magnetic resonance (NMR) data of 4-O-(6'-O-glucosyl-4″-hydroxybenzoyl)-4-hydroxybenzyl alcohol (4) in this study. The identification of the structures of newly discovered compounds was done through the analysis of their spectroscopic data [NMR, mass spectrometry, ultraviolet, Fourier transform infrared, optical rotation, and circular dichroism (CD)]. In comparison to anticancer drugs (i.e., etoposide and carboplatin), we evaluated anticancer potential of the isolated compounds on two different breast cancer cell lines, namely, T47D and MDA-MB-231. Human fibroblast HaCaT cells were used as the control cells. After a 48 h incubation, flavidin (8), coelonin (10), 3,4-dihydroxybenzaldehyde (11), and oxoflavidin (12) showed significant cytotoxic effects against breast cancer cells. Among them, oxoflavidin (12) exhibited the most potent cytotoxicity on MDA-MB-231 with an IC50 value of 26.26 ± 4.33 μM. In the nuclear staining assay, oxoflavidin induced apoptosis after 48 h in both T47D and MDA-MB-231 cells in a dose-dependent manner. Furthermore, oxoflavidin upregulated the expression of apoptotic genes, such as p53, Bax, poly(ADP-ribose) polymerase, caspase-3, and caspase-9 genes while significantly decreasing antiapoptotic protein (Bcl-2) expression levels.
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Affiliation(s)
- May Thazin Thant
- Department
of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Narumol Bhummaphan
- College
of Public Health Sciences, Chulalongkorn
University, Bangkok 10330, Thailand
| | - Jittima Wuttiin
- Department
of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | | | - Waraluck Chaichompoo
- Department
of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
- Natural
Products for Ageing and Chronic Diseases Research Unit, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pornchai Rojsitthisak
- Department
of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
- Natural
Products for Ageing and Chronic Diseases Research Unit, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Yanyong Punpreuk
- Department
of Agriculture, Ministry of Agriculture
and Cooperatives, Bangkok 10900, Thailand
| | - Chotima Böttcher
- Experimental
and Clinical Research Center, a Cooperation Between the Max Delbrück
Center for Molecular Medicine in the Helmholtz Association, Charité—Universitätsmedizin Berlin, Berlin 13125, Germany
| | - Kittisak Likhitwitayawuid
- Department
of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Boonchoo Sritularak
- Department
of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok 10330, Thailand
- Natural
Products for Ageing and Chronic Diseases Research Unit, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
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3
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Research on the Electron Structure and Antimicrobial Properties of Mandelic Acid and Its Alkali Metal Salts. Int J Mol Sci 2023; 24:ijms24043078. [PMID: 36834487 PMCID: PMC9962254 DOI: 10.3390/ijms24043078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
This article investigated the structure, and the spectroscopic and antimicrobial properties of mandelic acid and its alkali metal salts. The electron charge distribution and aromaticity in the analyzed molecules were investigated using molecular spectroscopy methods (FT-IR, FT-Raman, 1H NMR, and 13C NMR) and theoretical calculations (structure, NBO, HOMO, LUMO, energy descriptors, and theoretical IR and NMR spectra). The B3LYP/6-311++G(d,p) method was used in the calculations. The antimicrobial activities of mandelic acid and its salt were tested against six bacteria: Gram-positive Listeria monocytogenes ATCC 13932, Staphylococcus aureus ATCC 25923, Bacillus subtilis ATCC 6633, and Loigolactobacillus backii KKP 3566; Gram-negative Escherichia coli ATCC 25922 and Salmonella Typhimurium ATCC 14028, as well as two yeast species, Rhodotorulla mucilaginosa KKP 3560 and Candida albicans ATCC 10231.
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Fedenko VS, Landi M, Shemet SA. Metallophenolomics: A Novel Integrated Approach to Study Complexation of Plant Phenolics with Metal/Metalloid Ions. Int J Mol Sci 2022; 23:ijms231911370. [PMID: 36232672 PMCID: PMC9570091 DOI: 10.3390/ijms231911370] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 01/10/2023] Open
Abstract
Plant adaptive strategies have been shaped during evolutionary development in the constant interaction with a plethora of environmental factors, including the presence of metals/metalloids in the environment. Among adaptive reactions against either the excess of trace elements or toxic doses of non-essential elements, their complexation with molecular endogenous ligands, including phenolics, has received increasing attention. Currently, the complexation of phenolics with metal(loid)s is a topic of intensive studies in different scientific fields. In spite of the numerous studies on their chelating capacity, the systemic analysis of phenolics as plant ligands has not been performed yet. Such a systematizing can be performed based on the modern approach of metallomics as an integral biometal science, which in turn has been differentiated into subgroups according to the nature of the bioligands. In this regard, the present review summarizes phenolics–metal(loid)s’ interactions using the metallomic approach. Experimental results on the chelating activity of representative compounds from different phenolic subgroups in vitro and in vivo are systematized. General properties of phenolic ligands and specific properties of anthocyanins are revealed. The novel concept of metallophenolomics is proposed, as a ligand-oriented subgroup of metallomics, which is an integrated approach to study phenolics–metal(loid)s’ complexations. The research subjects of metallophenolomics are outlined according to the methodology of metallomic studies, including mission-oriented biometal sciences (environmental sciences, food sciences and nutrition, medicine, cosmetology, coloration technologies, chemical sciences, material sciences, solar cell sciences). Metallophenolomics opens new prospects to unite multidisciplinary investigations of phenolic–metal(loid) interactions.
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Affiliation(s)
- Volodymyr S. Fedenko
- Research Institute of Biology, Oles Honchar Dnipro National University, 72 Gagarin Avenue, 49010 Dnipro, Ukraine
| | - Marco Landi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto, 80I-56124 Pisa, Italy
- Correspondence: ; Tel.: +39-050-2216620
| | - Sergiy A. Shemet
- Ukrainian Association for Haemophilia and Haemostasis “Factor D”, Topola-3, 20/2/81, 49041 Dnipro, Ukraine
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Wang M, Yue L, Niazi S, Khan IM, Zhang Y, Wang Z. Synthesis and characterization of cinnamic acid conjugated N-(2-hydroxy)-propyl-3-trimethylammonium chitosan chloride derivatives: A hybrid flocculant with antibacterial activity. Int J Biol Macromol 2022; 206:886-895. [PMID: 35306015 DOI: 10.1016/j.ijbiomac.2022.03.075] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 11/15/2022]
Abstract
The modified natural biopolymers, recognized as environmentally friendly flocculants, are gaining tremendous attention in the field of water treatment. In this study, a novel hybrid flocculant with antibacterial activity, cinnamic acid (CA) conjugated N-(2-hydroxy)-propyl-3-trimethylammonium chitosan chloride (HTCC) derivative (HTCC-CA), was prepared via quaternary ammonium and amide reactions. The characterization, flocculation, and antibacterial activities were carried out to access the structural properties and potential application. The results of UV-vis, FT-TR, and 1H NMR confirmed the successful synthesis of HTCC-CA1-3 derivatives. XRD and TGA revealed the lower crystallinity and thermal stability of HTCC-CA1-3 derivatives than chitosan (CS). Bacterial flocculation and antibacterial tests indicated the excellent flocculation effect of HTCC-CA1-3 derivatives and showed high antibacterial activity for Escherichia coli suspension. Moreover, the mechanism of action of the derivatives was investigated via zeta potential measurements and scanning electron microscope, which can be summed up as the effective interaction between charges. The results proved that HTCC-CA derivatives are promising agents for wastewater treatment.
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Affiliation(s)
- Min Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Lin Yue
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China.
| | - Sobia Niazi
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Imran Mahmood Khan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Yin Zhang
- Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, PR China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, PR China.
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6
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Caffeic Acid/Eu(III) Complexes: Solution Equilibrium Studies, Structure Characterization and Biological Activity. Int J Mol Sci 2022; 23:ijms23020888. [PMID: 35055074 PMCID: PMC8775996 DOI: 10.3390/ijms23020888] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/09/2022] [Accepted: 01/11/2022] [Indexed: 12/15/2022] Open
Abstract
Caffeic acid (CFA) is one of the various natural antioxidants and chemoprotective agents occurring in the human diet. In addition, its metal complexes play fundamental roles in biological systems. Nevertheless, research on the properties of CFA with lanthanide metals is very scarce, and little to no chemical or biological information is known about these particular systems. Most of their properties, including their biological activity and environmental impact, strictly depend on their structure, stability, and solution behaviour. In this work, a multi-analytical-technique approach was used to study these relationships for the Eu(III)/CFA complex. The synthesized metal complex was studied by FT-IR, FT-Raman, elemental, and thermal (TGA) analysis. In order to examine the chemical speciation of the Eu(III)/CFA system in an aqueous solution, several independent potentiometric and spectrophotometric UV-Vis titrations were performed at different M:L (metal:ligand) and pH ratios. The general molecular formula of the synthesized metal complex in the solid state was [Eu(CFA)3(H2O)3]∙2H2O (M:L ratio 1:3), while in aqueous solution the 1:1 species were observed at the optimum pH of 6 ≤ pH ≤ 10, ([Eu(CFA)] and [Eu(CFA)(OH)]−). These results were confirmed by 1H-NMR experiments and electrospray-ionization mass spectrometry (ESI-MS). To evaluate the interaction of Eu(III)/CFA and CFA alone with cell membranes, electrophoretic mobility assays were used. Various antioxidant tests have shown that Eu(III)/CFA exhibits lower antioxidant activity than the free CFA ligand. In addition, the antimicrobial properties of Eu(III)/CFA and CFA against Escherichia coli, Bacillus subtilis and Candida albicans were investigated by evaluation of the minimum inhibitory concentration (MIC). Eu(III)/CFA shows higher antibacterial activity against bacteria compared to CFA, which can be explained by the highly probable increased lipophilicity of the Eu(III) complex.
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7
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Yue L, Wang M, Khan IM, Xu J, Peng C, Wang Z. Preparation, characterization, and antibiofilm activity of cinnamic acid conjugated hydroxypropyl chitosan derivatives. Int J Biol Macromol 2021; 189:657-667. [PMID: 34455000 DOI: 10.1016/j.ijbiomac.2021.08.164] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/09/2021] [Accepted: 08/20/2021] [Indexed: 12/18/2022]
Abstract
In this study, cinnamic acid (CA) conjugated hydroxypropyl chitosan (HPCS) derivatives (HPCS-CA) with different degrees of substitution (DS) were successfully synthesized. The reaction was divided into two steps: the first step was to modify chitosan (CS) to HPCS, and the second step was to graft CA onto HPCS. Structural characterization and properties were carried out employing elemental analysis, Fourier transform infrared (FT-IR) spectroscopy, ultraviolet-visible (UV-vis) spectroscopy, nuclear magnetic resonance (NMR) spectra, X-ray diffraction (XRD), and thermogravimetric analysis (TGA). The solubility test revealed the better water solubility of derivatives than CS. In addition, in vitro antibacterial and antibiofilm tests were performed. As expected, HPCS-CA derivatives exhibited good antibacterial activity against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). The MIC and MBC of HPCS-CA derivatives could reach 256 μg/mL and 512 μg/mL, respectively. Confocal laser scanning microscopy (CLSM) analysis proved the inhibitory effect of HPCS-CA derivatives on S. aureus and E. coli biofilms by disrupting the formation of biofilms, reducing the thickness of biofilms, and the number of live bacteria. These results suggest the potential applicability of HPCS-CA derivatives in the treatment of biofilm-associated infections and provide a practical strategy for the design of novel CS-based antibacterial materials.
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Affiliation(s)
- Lin Yue
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China.
| | - Min Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Imran Mahmood Khan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Jianguo Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Chifang Peng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi 214122, PR China.
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Natural Cinnamic Acid Derivatives: A Comprehensive Study on Structural, Anti/Pro-Oxidant, and Environmental Impacts. MATERIALS 2021; 14:ma14206098. [PMID: 34683697 PMCID: PMC8537339 DOI: 10.3390/ma14206098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 12/21/2022]
Abstract
Cinnamic acid (CA), p-coumaric acid (4-hydroxycinnamic acid, 4-HCA), caffeic acid (3,4-vdihydroxycinnamic acid, 3,4-dHCA), and 3,4,5-trihydroxycinnamic acid (3,4,5-tHCA) were studied for their structural, anti-/pro-oxidant properties and biodegradability. The FT-IR, FT-Raman, UV/Vis, 1H and 13C NMR, and quantum chemical calculations in B3LYP/6-311++G** were performed to study the effect on number and position of hydroxyl group in the ring on the molecular structure of molecules. The antioxidant properties of the derivatives were examined using DPPH● and HO● radicals scavenging assays, ferric ion reducing antioxidant power (FRAP), cupric reducing antioxidant capacity (CUPRAC), inhibition of linoleic acid oxidation, as well as the biological antioxidant assay with Saccharomyces cerevisiae. Moreover, the pro-oxidant activity of compounds in Trolox oxidation assay was estimated. The effect of the derivatives on environment on the basis of increasing the carbon and nitrogen compounds transformation processes occurring in biological wastewater treatment was studied.
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Begum R, Rehman MU, Shahid K, Haider A, Iqbal M, Tahir MN, Ali S. Synthesis, structural elucidation, DNA-binding and biological activity of nickel(II) mixed ligand carboxylate complexes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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Photocatalytic H2 evolution integrated with selective amines oxidation promoted by NiS2 decorated CdS nanosheets. J Catal 2021. [DOI: 10.1016/j.jcat.2021.07.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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11
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Chang SW, Lee JS, Lee JH, Kim JY, Hong J, Kim SK, Lee D, Jang DS. Aromatic and Aliphatic Apiuronides from the Bark of Cinnamomum cassia. JOURNAL OF NATURAL PRODUCTS 2021; 84:553-561. [PMID: 33684292 DOI: 10.1021/acs.jnatprod.0c01062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Cinnamomum cassia Presl (Cinnamon) has been widely cultivated in the tropical or subtropical areas, such as Yunnan, Fujian, Guandong, and Hainan in China, as well as India, Vietnam, Thailand, and Malaysia. Four new glycosides bearing apiuronic acid (1, 4, 6, and 7) and their sodium or potassium salts (2, 3, and 5), together with 31 known compounds, were isolated from a hot water extract of the bark of C. cassia via repeated chromatography. The structures of the new compounds (1-7) were determined by NMR, IR, MS, and ICP-AES data and by acid hydrolysis and sugar analysis. This is the first report of the presence of apiuronic acid glycosides. Some of the isolates were evaluated for their analgesic effects on a neuropathic pain animal model induced by paclitaxel. Cinnzeylanol (8), cinnacaside (9), kelampayoside A (10), and syringaresinol (11) showed analgesic effects against paclitaxel-induced cold allodynia.
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Affiliation(s)
- Suk Woo Chang
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin Su Lee
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji Hwan Lee
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ji-Young Kim
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jongki Hong
- College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sun Kwang Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dongho Lee
- Department of Plant Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Dae Sik Jang
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
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12
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de Carvalho SYB, Almeida RR, Pinto NAR, de Mayrinck C, Vieira SS, Haddad JF, Leitão AA, Guimarães LGDL. Encapsulation of essential oils using cinnamic acid grafted chitosan nanogel: Preparation, characterization and antifungal activity. Int J Biol Macromol 2020; 166:902-912. [PMID: 33147435 DOI: 10.1016/j.ijbiomac.2020.10.247] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/22/2020] [Accepted: 10/30/2020] [Indexed: 12/15/2022]
Abstract
Chemical modifications in the chitosan structure may result in obtaining a new material with improved chemical properties, such as an ability to encapsulate lipophilic compounds. This study aimed to synthesize cinnamic acid grafted chitosan nanogel to encapsulate the essential oils of Syzygium aromaticum and Cinnamomum ssp., in order to develop a material to be applied in the control of dermatophytosis caused by the fungus Microsporum canis. The cinnamic acid graft in chitosan was verified by the Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR), Solid State Nuclear Magnetic Resonance of the 13C Nucleus (13C SSNMR) and Thermal analysis coupled to mass spectrometry (TG-MS) techniques. The nanogel obtained showed affinity for the essential oils of S. aromaticum and Cinnamomum, with encapsulation efficiencies equal to 74% and 89%, respectively. When in an aqueous medium the nanogel with the encapsulated essential oils was able to form stable nanoparticles with average sizes of 176.0 ± 54.3 nm and 263.0 ± 81.4 nm. The cinnamic acid grafted chitosan nanogel showed antifungal activity in vitro against M. canis, inhibiting up to 53.96% of its mycelial growth. Complete inhibition of mycelial growth was achieved by the nanogel with encapsulated essential oils. The results found in this work demonstrated the development of a material with potential application in the control of dermatophytosis caused by the fungus M. canis.
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Affiliation(s)
| | | | | | | | | | - Juliana Fischer Haddad
- Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora, Brazil
| | - Alexandre Amaral Leitão
- Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora, Brazil
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Timár Z, Varga G, Szabados M, Csankó K, Alapi T, Forano C, Prevot V, Sipos P, Pálinkó I. Structural insight into the photoinduced E→Z isomerisation of cinnamate embedded in ZnAl and MgAl layered double hydroxides. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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14
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Ejarque D, Sánchez-Férez F, Calvet T, Font-Bardia M, Pons J. Exploring the reactivity of α-Acetamidocinnamic acid and 4-Phenylpyridine with Zn(II) and Cd(II). Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119695] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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15
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Rodríguez RB, Zapata RL, Salum ML, Erra-Balsells R. Understanding the role played by protic ionic liquids (PILs) and the substituent effect for enhancing the generation of Z-cinnamic acid derivatives†. Photochem Photobiol Sci 2020; 19:819-830. [PMID: 33856671 DOI: 10.1039/d0pp00072h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 04/30/2020] [Indexed: 11/21/2022]
Abstract
Photoisomerization of a series of substituted E-cinnamic acids in MeCN in their acid forms and as their corresponding protic ionic liquids (PILs) with light of 300 nm is studied. The nature, strength, number, and position effects of substituents on the photochemical behavior of E-cinnamic derivatives are investigated. The photosensitization of the reaction in the presence of Michler's ketone is also studied at 366 nm and it demonstrates that the triplet-excited state is involved in the reaction. As the presence of n-butylamine needed to form the PILs significantly increases the photoproduct yields in all cases, the role of the PILs is also discussed. Thus, understanding of these fundamental aspects has allowed us to establish an excellent and practical synthetic protocol for successfully synthesizing Z-cinnamic acids.
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Affiliation(s)
- Rocío B Rodríguez
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica. Pabellón II, 3er P., Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
- Design and Chemistry of Macromolecules Group, Institute of Technology in Polymers and Nanotechnology (ITPN), UBA-CONICET, FADU, University of Buenos Aires, Intendente Güiraldes 2160, Pabellón III, subsuelo, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
| | - Ramiro L Zapata
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica. Pabellón II, 3er P., Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
| | - María L Salum
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica. Pabellón II, 3er P., Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina.
- CONICET, Universidad de Buenos Aires. Centro de Investigación en Hidratos de Carbono (CIHIDECAR). Facultad de Ciencias Exactas y Naturales Pabellón II, 3er P. Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina.
| | - Rosa Erra-Balsells
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica. Pabellón II, 3er P., Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
- CONICET, Universidad de Buenos Aires. Centro de Investigación en Hidratos de Carbono (CIHIDECAR). Facultad de Ciencias Exactas y Naturales Pabellón II, 3er P. Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
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16
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Dikmen G. The Raman, SERS and computational studies of 3,5-dimethoxy-4-hydroxycinnamic acid and its silver complex. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 225:117520. [PMID: 31521984 DOI: 10.1016/j.saa.2019.117520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 06/10/2023]
Abstract
Optimized chemical structure, Raman and SERS spectra of 3,5-dimethoxy-4-hydroxycinnamic acid (35D4HCA) molecule and its silver (Ag) complex were calculated using time-dependent density functional theory in conjunction with B3LYP functional and LANL2DZ/6-311 + G(d,p) basis sets. Moreover, excitation and HOMO-LUMO energies were computed by the same level of theory. Because of the fact that energy of excitation electronic transition depends on infinite lifetime approximation, Raman activities were calculated under this approximation. Normal Raman spectra and SERS spectra of 35D4HCA and its silver complex were obtained with different excitation laser frequencies such as 532 nm and 785 nm and so interaction between metal surface and 35D4HCA was examined using SERS spectra. Moreover, theoretical and experimental UV-VIS spectra in the water of 35D4HCA and its silver complex were obtained and transitions, wavelengths and energy values of samples were shown. 1H NMR experiment of 35D4HCA and its silver complex were performed and it was determined interaction between Ag atoms and 35D4HCA. In order to determine thermal properties of 35D4HCA and its silver complex, TG and DTA analysis were carried out. HOMO and LUMO energy levels corresponding to these energy values were determined and transitions between these levels were determined.
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Affiliation(s)
- Gökhan Dikmen
- Eskisehir Osmangazi University, Central Research Laboratory Research and Application Center (ARUM), Eskisehir 26480, Turkey.
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17
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Dávila-Guzmán N, Medina-Almaguer YB, Reyes-González MA, Loredo-Cancino M, Pioquinto-García S, De Haro-Del Rio DA, Garza-Navarro MA, Hernández-Fernández E. Microwave-Assisted Synthesis of trans-Cinnamic Acid for Highly Efficient Removal of Copper from Aqueous Solution. ACS OMEGA 2020; 5:317-326. [PMID: 31956778 PMCID: PMC6964288 DOI: 10.1021/acsomega.9b02720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
trans-Cinnamic acid was synthesized under microwave irradiation, and it was used for the removal of copper, a toxic metal found in industrial wastewater, from synthetic polluted aqueous solutions. Copper removal is more favorable at pH 5 and was enhanced by increasing the copper initial concentration, reaching a maximum uptake capacity of 389.5 mg/g, which is higher than those reported in the literature. Temperature exhibited a negligible effect on the removal of copper by trans-cinnamic acid. The isotherm equilibrium uptake data were found to be described by the Langmuir model. In addition, the study of the removal kinetics shows that the uptake of copper by trans-cinnamic acid follows pseudo-first order kinetics, and equilibrium is attained at approximately 30 min. Based on the X-ray photoelectron spectroscopy, X-ray diffraction, scanning transmission electron microscopy, and Fourier-transform infrared spectroscopy studies, a copper-cinnamic acid complex [Cu(CA)2] is formed during the removal process. The reusability of this coordination compound was investigated using HCl, HNO3, and NaOH 0.1 M as desorption eluents; HCl was capable of completely desorbing copper from [Cu(CA)2], and trans-cinnamic acid was recovered as the trans-isomer. Alternatively, the [Cu(CA)2] was used to remove octamethylcyclotetrasiloxane from gaseous streams for biogas purification, obtaining an adsorption capacity of 3.37 mg/g. These promising results demonstrate the feasibility of copper removal by trans-cinnamic acid because of its high uptake capacity and potential reusability.
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Affiliation(s)
- Nancy
E. Dávila-Guzmán
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - Yhoana B. Medina-Almaguer
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - Miguel A. Reyes-González
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - Margarita Loredo-Cancino
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - Sandra Pioquinto-García
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - David A. De Haro-Del Rio
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
| | - Marco A. Garza-Navarro
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
- Universidad
Autónoma de Nuevo León, Centro
de Innovación y Desarrollo en Ingeniería y Tecnología, Apodaca, 66600 Nuevo León, Mexico
| | - Eugenio Hernández-Fernández
- Universidad Autónoma
de Nuevo León, Facultad de Ciencias Químicas and Facultad de Ingeniería
Mecánica y Eléctrica, San Nicolás de los Garza, 66455 Nuevo León, Mexico
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18
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Wang H, Fu W, Zhang L, Shen R, Cai G, Chen Q, Tang T. Basic Cu/ETS-10-N Catalyst Induced the Chemisorption and Alkyl Radical Formation of the Substrates Enhanced the Cinnamic Acid Decarboxylative Cross-Coupling Reaction Activity. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hui Wang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Wenqian Fu
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Lei Zhang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Rensheng Shen
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Guoren Cai
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Qun Chen
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
| | - Tiandi Tang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People’s Republic of China
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19
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Synthesis, spectroscopic characterization, single crystal X-ray structure and packing analyses of [Cu(temed)(p-nitro-cinnamate)2] and [Cu(temed)(p-methoxy-cinnamate)2]. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.06.078] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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20
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Investigation on the interactions of E -4-methoxycinnamic acid with solvent: Solvatochromism, electric dipole moment and pH effect. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2017.11.136] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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Puszyńska-Tuszkanow M, Zierkiewicz W, Grabowski T, Daszkiewicz M, Maciejewska G, Adach A, Kucharska-Ziembicka K, Wietrzyk J, Filip-Psurska B, Cieślak-Golonka M. Magnesium cinnamate complex, [Mg(cinn)2(H2O)2]n; structural, spectroscopic, thermal, biological and pharmacokinetical characteristics. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.12.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Potential energy profile, structural, vibrational and reactivity descriptors of trans–2–methoxycinnamic acid by FTIR, FT-Raman and quantum chemical studies. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.02.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Ghadai AA, Kamillia AAES, Abdel Rahim SI. Biotransformation of coumarins by Cunninghamella elegans. ACTA ACUST UNITED AC 2016. [DOI: 10.5897/ajpp2015.4419] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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24
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Samsonowicz M, Kamińska I, Kalinowska M, Lewandowski W. Alkali metal salts of rutin - Synthesis, spectroscopic (FT-IR, FT-Raman, UV-VIS), antioxidant and antimicrobial studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 151:926-938. [PMID: 26184478 DOI: 10.1016/j.saa.2015.07.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 06/21/2015] [Accepted: 07/06/2015] [Indexed: 06/04/2023]
Abstract
In this work several metal salts of rutin with lithium, sodium, potassium, rubidium and cesium were synthesized. Their molecular structures were discussed on the basis of spectroscopic (FT-IR, FT-Raman, UV-VIS) studies. Optimized geometrical structure of rutin was calculated by B3LYP/6-311++G(∗∗) method and sodium salt of rutin were calculated by B3LYP/LanL2DZ method. Metal chelation change the biological properties of ligand therefore the antioxidant (FRAP and DPPH) and antimicrobial activities (toward Escherichia coli, Staphylococcus aureus, Enterococcus faecium, Proteus vulgaris, Pseudomonas aeruginosa, Klebsiella pneumonia, Candida albicans and Saccharomyces cerevisiae) of alkali metal salts were evaluated and compared with the biological properties of rutin.
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Affiliation(s)
- M Samsonowicz
- Division of Chemistry, Bialystok University of Technology, 29 Zamenhofa Str., 15-435 Bialystok, Poland.
| | - I Kamińska
- Division of Chemistry, Bialystok University of Technology, 29 Zamenhofa Str., 15-435 Bialystok, Poland
| | - M Kalinowska
- Division of Chemistry, Bialystok University of Technology, 29 Zamenhofa Str., 15-435 Bialystok, Poland
| | - W Lewandowski
- Division of Chemistry, Bialystok University of Technology, 29 Zamenhofa Str., 15-435 Bialystok, Poland
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25
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Wang H, Li Q, Deng W, Omari-Siaw E, Wang Q, Wang S, Wang S, Cao X, Xu X, Yu J. Self-nanoemulsifying drug delivery system of trans-cinnamic acid: formulation development and pharmacodynamic evaluation in alloxan-induced type 2 diabetic rat model. Drug Dev Res 2015; 76:82-93. [PMID: 25847843 DOI: 10.1002/ddr.21244] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 02/13/2015] [Indexed: 12/12/2022]
Abstract
The objective of this study was to formulate a self-nanoemulsifying oral drug delivery system (SNEDDS) for the poorly water-soluble trans-Cinnamic acid (t-CA SNEDDS) that could be evaluated for its antihyperglycemic efficacy in comparison to the parent t-CA in an alloxan-induced diabetic rat model. A SNEDDS formulation consisting of 60% surfactant (Kolliphor EL), 10% co-surfactant (PEG 400) and 30% oil (isopropyl myristate) proved to be optimal. t-CA SNEDDS (80 mg/kg, p.o.), t-CA suspension (80 mg/kg, p.o.), and Metformin Hydrochloride Tablets (230 mg/kg, p.o.) were administer qdfor 30 days to diabetic rats. After treatment the body weight of diabetic rats was increased, blood glucose levels, total cholesterol, and triglyceride in the serum tended to be normalized, while the levels of alanine aminotransferase and aspartate aminotransferase were markedly decreased. The effects of t-CA SNEDDS were superior to that of the t-CA suspension. The present study demonstrated that t-CA was effective in attenuating the effects of alloxan treatment and that t-CA SNEDDS with a more favorable absorption and enhanced bioavailability is more effective than t-CA.
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Affiliation(s)
- Houyong Wang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
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26
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Conformational, structural, vibrational, electronic and quantum chemical investigations of cis-2-methoxycinnamic acid. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2014.09.083] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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27
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Mok EY, Kim JC. pH-triggerable and ultraviolet-triggerable β-cyclodextrin microgel. POLYM ADVAN TECHNOL 2014. [DOI: 10.1002/pat.3317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Eun Young Mok
- College of Biomedical Science and Institute of Bioscience and Biotechnology; Kangwon National University; 192-1, Hyoja 2 dong Chuncheon Kangwon-do 200-701 South Korea
| | - Jin-Chul Kim
- College of Biomedical Science and Institute of Bioscience and Biotechnology; Kangwon National University; 192-1, Hyoja 2 dong Chuncheon Kangwon-do 200-701 South Korea
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28
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Świsłocka R. Experimental (FT-IR, FT-Raman, 1H, 13C NMR) and theoretical study of alkali metal syringates. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 111:290-298. [PMID: 23664591 DOI: 10.1016/j.saa.2013.04.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 03/27/2013] [Accepted: 04/01/2013] [Indexed: 06/02/2023]
Abstract
In this work the influence of lithium, sodium, potassium, rubidium and cesium on the electronic system of the syringic acid (4-hydroxy-3,5-dimethoxybenzoic acid) was studied. This paper presents spectroscopic vibrations (FT-IR, FT-Raman) and NMR ((1)H and (13)C) study of the series of alkali metal syringates from lithium to cesium syringates. Characteristic shifts of band wavenumbers and changes in band intensities along the metal series were observed. Optimized geometrical structures of the studied compounds were calculated by the B3LYP method using the 6-311++G(**) basis set. Aromaticity indices, atomic charges, dipole moments and energies were also calculated. The theoretical wavenumbers and intensities of IR and NMR spectra were obtained. The calculated parameters were compared to experimental characteristics of studied compounds.
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Affiliation(s)
- Renata Świsłocka
- Division of Chemistry, Bialystok University of Technology, Zamenhofa 29, 15-435 Bialystok, Poland.
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29
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30
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Kalinowska M, Mazur L, Piekut J, Rzączyńska Z, Laderiere B, Lewandowski W. Synthesis, crystal structure, spectroscopic properties, and antimicrobial studies of a zinc(II) complex of p-coumaric acid. J COORD CHEM 2013. [DOI: 10.1080/00958972.2012.756480] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- M. Kalinowska
- a Division of Chemistry , Bialystok University of Technology , Bialystok , Poland
| | - L. Mazur
- b Department of General and Coordinational Chemistry , Maria Curie-Sklodowska University , Lublin , Poland
| | - J. Piekut
- a Division of Chemistry , Bialystok University of Technology , Bialystok , Poland
| | - Z. Rzączyńska
- b Department of General and Coordinational Chemistry , Maria Curie-Sklodowska University , Lublin , Poland
| | - B. Laderiere
- c Institut des Sciences at Techniques , University of Mont Houy , Le Mont Houy, Valenciennes , France
| | - W. Lewandowski
- a Division of Chemistry , Bialystok University of Technology , Bialystok , Poland
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31
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Alen S, Sajan D, Job Sabu K, Udaya Lakshmi K, Veeraiah V, Chaitanya K, Bena Jothy V. Studies on crystal growth, vibrational, dielectric, electronic, mechanical and thermal properties of new organic nonlinear optical crystal: 3-nitrocinnamic acid. CrystEngComm 2013. [DOI: 10.1039/c3ce41408f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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32
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Ali HRH, Alhalaweh A, Velaga SP. Vibrational spectroscopic investigation of polymorphs and cocrystals of indomethacin. Drug Dev Ind Pharm 2012; 39:625-34. [DOI: 10.3109/03639045.2012.671831] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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33
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Aslı Esenpınar A, Rıza Özkaya A, Bulut M. A convenient synthesis of phthalocyanines bearing four methyl 4-hexyloxyphenyl-2-phenoxy acrylate functionalities. J PORPHYR PHTHALOCYA 2012. [DOI: 10.1142/s1088424609000875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A novel synthetic pathway for the preparation of a new phthalonitrile derivative, methyl (E)-3-[2-(3,4-dicyanophenoxy)-4-(hexyloxy)phenyl]acrylate (3), based on the opening of the lactone ring of 7-hexyloxycoumarin (2H-1-benzopyrane-2-one, 2H-chromen-2-one) and ether formation of the formed hydroxy group with 4-nitrophthalonitrile, is presented. Cyclotetramerization of this dinitrile in 2-N,N-dimethylaminoethanol gives the desired Zn(II) , Co(II) and Cu(II) phthalocyanines (4, 5 and 6) with four methyl 4-hexyloxy-2-phenoxy acrylate moiety on periphery. The complexes are characterized by IR, elemental analysis, 1 H NMR, 13 C NMR MALDI-TOF and UV-vis spectroscopy. The redox behavior of the complexes are also discussed.
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Affiliation(s)
- A. Aslı Esenpınar
- Marmara University, Department of Chemistry, Faculty of Art and Science, 34722 Kadikoy-Istanbul, Turkey
| | - A. Rıza Özkaya
- Marmara University, Department of Chemistry, Faculty of Art and Science, 34722 Kadikoy-Istanbul, Turkey
| | - Mustafa Bulut
- Marmara University, Department of Chemistry, Faculty of Art and Science, 34722 Kadikoy-Istanbul, Turkey
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