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Patra B, Deep SK, Rosalin R, Pradhan SN. Flavored Food Additives on the Leaves of Piper betle L.: A Human Health Perspective. Appl Biochem Biotechnol 2022; 194:4439-4461. [PMID: 35386064 DOI: 10.1007/s12010-022-03912-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/14/2022] [Indexed: 02/08/2023]
Abstract
Natural products and traditional ethnomedicines are of great effect in therapeutics. Such types of medicine have been practiced in certain areas of the world to treat different health conditions. This pilot investigation aims to review the cumulative health effect of addendums used in betel quid such as areca nut, lime, and tobacco-associated betel quid chewing and without tobacco-associated chewing. This review shows that betel leaf extract and its essential oil could inhibit growth of microbes and damage different gram-positive and gram-negative bacteria as well as various fungus species. Some studies concluded that the combination of Piper leaves essential oil with antibiotics have potential effect on oral microorganisms. Long-term consumption of betel quid with tobacco is known to cause cancer, chromosomal aberrations, and pharynx tumors. However, consumption of betel leaf without tobacco has health benefits because of ethnomedicinal properties. Its essential is oil utilized as raw material for perfumes and mouth fresheners manufacturing. Scientific researches on this plant revealed that it possesses many beneficial activities to be used for developing novel drugs. However, compounds of betel leaves have beneficial natural antioxidant. Chewing and intake of leaves have effect on moving parts of salivary gland which is the main step of digestion. Its components also act as heartbeat regulators in relaxing the blood vessels to reduce hypertension. So this review discussed the natural compounds of betel leaves which is used as traditional medicine to further develop drug discovery.
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Affiliation(s)
- Biswajit Patra
- School of Life Sciences, Sambalpur University, Sambalpur, Odisha, India
| | - Saroj Kumar Deep
- School of Life Sciences, Sambalpur University, Sambalpur, Odisha, India
| | - Rosina Rosalin
- Department of Botany, Baruneswar Mohavidyalaya, Jajpur, Odisha, India
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Exploring the potential of benzoic acid derived from the endophytic fungus strain Neurospora crassa SSN01 as a promising antimicrobial agent in wound healing. Microbiol Res 2022; 262:127108. [DOI: 10.1016/j.micres.2022.127108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 11/23/2022]
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A Phytochemical Analysis, Microbial Evaluation and Molecular Interaction of Major Compounds of Centaurea bruguieriana Using HPLC-Spectrophotometric Analysis and Molecular Docking. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12073227] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Centaurea is one of the most important genera within the family Asteraceae. An investigation of the phytochemical composition of Centaurea bruguieriana using Gas-Chromatography coupled to Mass spectrometry (GC-MS) was performed. Antimicrobial activity was evaluated using the minimum inhibitory concentration method (MIC) and validated by molecular docking for the major compounds of the most active fraction (1,10-di-epi-cubenol and methyl 8-oxooctanoate) of C. bruguieriana against three bacterial receptors (TyrRS, DNA gyrase, and dihydrofolate reductase (DHFR)). Evaluation of antioxidant activity was conducted using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays. High-performance liquid chromatography (HPLC) was used to identify and quantify the contents of major compounds from ethyl acetate fraction (luteolin 7-O-glucoside, chlorogenic acid, kaempferol and isorhamnetin). The antimicrobial activity test showed that the chloroform fraction was more active against all microbial strains. The results of the molecular docking of two major compounds from chloroform fraction showed that good affinities were made between 1,10-di-epi-cubenol and the three selected receptors (TyrRs: −6.0 Kcal/mol against −8.2 Kcal/mol obtained with clorobiocin (standard); DNA gyrase: −6.6 Kcal/mol against −9.1 Kcal/mole obtained with clorobiocin; DHFR: −7.4 Kcal/mol against −6.3 Kcal/mol obtained with SCHEMBL2181345 Standard). Antioxidant evaluation showed that the ethyl acetate fraction was the most active fraction in DPPH (IC50 49.4 µg/mL) and ABTS (IC50 52.8 µg/mL) models. HPLC results showed the contents of luteolin 7-O-glucoside (7.4 µg/mg), and chlorogenic acid (3.2 µg/mg). Our study demonstrated that C. bruguierana is a promising source of bioactive compounds.
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Ngamsurach P, Praipipat P. Antibacterial activities against Staphylococcus aureus and Escherichia coli of extracted Piper betle leaf materials by disc diffusion assay and batch experiments. RSC Adv 2022; 12:26435-26454. [PMID: 36275084 PMCID: PMC9480620 DOI: 10.1039/d2ra04611c] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 09/02/2022] [Indexed: 02/05/2023] Open
Abstract
The use of contaminated water by bacteria may cause many diseases, and thus clean water is needed. Chlorine is normally used for the disinfection of wastewater treatment; however, it produces unwanted odors. Using extracted Piper betle (P. betle) is an interesting choice because it is a good chemical compound for bacterial inhibitions. This study attempted to extract P. betle leaf and synthesize P. betle beads (PBB) to characterize materials and investigate antibacterial efficiencies by disc diffusion assay, batch tests, adsorption isotherms, kinetics, and material reusability. The results demonstrated the successful extraction and synthesis of the materials of P. betle. P. betle powder (PBP) had porous and rough surfaces, whereas PBB had a spherical shape with a coarse surface. The four main chemical elements and functional groups of PBP and PBB were carbon, oxygen, calcium, chlorine, and O–H, C–H, N–H, C–O, respectively. The extraction yield and total phenolic, flavonoid, and tannin contents of P. betle were 11.30%, 201.55 ± 0.31 mg GAE per g, 56.86 ± 0.14 mg RE per g, and 41.76 ± 1.32 mg CE per g, respectively. The six main compounds of eugenol, quercetin, apigenin, kaempferol, ascorbic acid, and hydroxychavicol were detected by HPLC analysis. The results of the disc diffusion assay confirmed antibacterial efficiencies of PBB, and the batch tests examined high antibacterial efficiencies of PBB for 100% on Staphylococcus aureus and Escherichia coli. The adsorption isotherms and kinetics of PBB corresponded to Freundlich model and pseudo-second order kinetic model, and the desorption experiments confirmed the reusability of PBB. Therefore, PBB can be possibly applied for an antibacterial purpose in wastewater treatment systems. The alternative antibacterial material (PBB) is presented with high efficiency and reusability to apply for the disinfection of wastewater systems.![]()
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Affiliation(s)
- Pimploy Ngamsurach
- Department of Environmental Science, Khon Kaen University, Khon Kaen, 40002, Thailand
- Environmental Applications of Recycled and Natural Materials (EARN) Laboratory, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Pornsawai Praipipat
- Department of Environmental Science, Khon Kaen University, Khon Kaen, 40002, Thailand
- Environmental Applications of Recycled and Natural Materials (EARN) Laboratory, Khon Kaen University, Khon Kaen, 40002, Thailand
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Dawood HM, Shawky E, Hammoda HM, Metwally AM, Ibrahim RS. Development of a validated HPTLC-bioautographic method for evaluation of aromatase inhibitory activity of plant extracts and their constituents. PHYTOCHEMICAL ANALYSIS : PCA 2022; 33:115-126. [PMID: 34171936 DOI: 10.1002/pca.3074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 05/08/2021] [Accepted: 06/03/2021] [Indexed: 06/13/2023]
Abstract
INTRODUCTION Aromatase is a CYP450 enzyme that catalyses the conversion of androgens into oestrogens, where the decrease in the production of oestrogens aided by aromatase inhibitors is considered a target in post-menopausal breast cancer therapy. TLC-bioautography is a technique employed for combining chromatographic separations on TLC plates with bioassays. This is the first report to evaluate aromatase inhibitory activity using this technique. OBJECTIVES The aim of this study is to develop and validate a new TLC-bioautographic method for determination of aromatase inhibitory activity in 14 plant extracts. Two quantitation methods, the peak area method and reciprocal iso-inhibition volume (RIV) method, were compared and investigated to attain reliable results. Factors affecting the enzymatic reaction (temperature, pH, enzyme and substrate concentrations … etc.) were also investigated to attain the optimum parameters. METHODOLOGY TLC assisted by digital image processing was implemented for quantitative estimation of the aromatase inhibition of 14 plant extracts using chrysin as positive control. The fluorometric substrate dibenzyl fluorescein (DBF) was utilised for the assay, where inhibitory compounds were visualised as dark spots against a blue fluorescent background. Two software programs, Sorbfil® videodensitometer (in the peak area method) and ImageJ® (in the RIV method), were thoroughly validated using the International Council on Harmonisation (ICH) guideline and used for quantitation. RESULTS The RIV method showed superiority over the peak area method in the quantitation results of the tracks with non-homogenous background with %RSD values of 0.98 and 1.49 compared with 2.86 and 3.58, respectively. Further, the methods allow the comparison of the activity of different unknown inhibitory compounds without the need for a reference or a positive control. CONCLUSION Using the TLC-bioautographic method by image processing combined with the RIV quantitation method, simultaneous separation and quantitation of aromatase inhibitory components could be applied to estimate the relative activity of various plant extracts.
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Affiliation(s)
- Hend M Dawood
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
| | - Eman Shawky
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
| | - Hala M Hammoda
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
| | - Aly M Metwally
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
| | - Reham S Ibrahim
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
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El-Zawawy NA, Mona MM. Antimicrobial efficacy of Egyptian Eremina desertorum and Helix aspersa snail mucus with a novel approach to their anti-inflammatory and wound healing potencies. Sci Rep 2021; 11:24317. [PMID: 34934098 PMCID: PMC8692597 DOI: 10.1038/s41598-021-03664-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 12/01/2021] [Indexed: 12/20/2022] Open
Abstract
Snail mucus is composed of bioactive compounds thought to have different biological properties for the treatment of some skin problems. Although Helix aspersa mucus is used in several cosmetic products, a detailed characterization of Eremina desertorum mucus composition and its biological activities is still missing. Mucus extracts (MEs) from H. aspersa and E. desertorum were prepared and tested for their antimicrobial and anti-inflammatory activities with their potencies in wound healing. Also, chemical characterization was performed by GC-MS analysis. Results showed that ME of E. desertorum gave higher inhibitory activity against resistant strains related to burn wound infections compared to ME of H. aspersa. Additionally, it revealed a significant anti-inflammatory activity. Moreover, we found that ME of E. desertorum lacked cytotoxicity and was able to significantly induce cell proliferation and migration through up-regulation of TGF-β1 and VEGF gene expression. Our results suggested that MEs of E. desertorum have higher biological effects than H. aspersa, which are attributable to antimicrobial, anti-inflammatory activities, cell proliferation and pave the way for further investigating its potential effect as a human therapeutic agent.
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Affiliation(s)
- Nessma A El-Zawawy
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
| | - Mahy M Mona
- Zoology Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
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Nuthan BR, Rakshith D, Marulasiddaswamy KM, Rao HCY, Ramesha KP, Mohana NC, Siddappa S, Darshan D, Kumara KKS, Satish S. Application of Optimized and Validated Agar Overlay TLC-Bioautography Assay for Detecting the Antimicrobial Metabolites of Pharmaceutical Interest. J Chromatogr Sci 2021; 58:737-746. [PMID: 32766714 DOI: 10.1093/chromsci/bmaa045] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Indexed: 02/06/2023]
Abstract
The agar overlay TLC-bioautography is one of the crucial methods for simultaneous in situ detection and separation of antimicrobial metabolites of pharmaceutical interest. The main focus of this research relies on the dereplication of an antimicrobial metabolite coriloxin derived from mycoendophytic Xylaria sp. NBRTSB-20 with a validation of agar overlay TLC-bioautography technique. This polyketide metabolite coriloxin was purified by column chromatography, and its purity was assessed by HPLC, UPLC-ESI-QTOF-MS, FT-IR and NMR spectral analysis. The antimicrobial capability of ethyl acetate extract and the purified compound coriloxin was determined by disc diffusion, minimal inhibitory concentration and agar overlay TLC-bioautography assay. The visible LOD of coriloxin antimicrobial activity was found at 10 μg for Escherichia coli and 20 μg for both Staphylococcus aureus and Fusarium oxysporum. Inter- and intra-day precision was determined as the relative standard deviation is less than 6.56%, which proved that this method was precise. The accuracy was expressed as recovery, and the values were found ranging from 91.18 to 108.73% with RSD values 0.94-2.30%, respectively. The overall findings of this investigation suggest that agar overlay TLC-bioautography assay is a suitable and acceptable method for the in situ determination of antimicrobial pharmaceuticals.
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Affiliation(s)
| | - Devaraju Rakshith
- Department of Studies in Microbiology, University of Mysore, Manasagangotri, Mysuru 570 006, India
| | | | - H C Yashavantha Rao
- Department of Biochemistry, Indian Institute of Science, Bengaluru 560 012, Karnataka, India
| | | | | | - Shiva Siddappa
- Department of Studies in Biochemistry, University of Mysore, Manasagangotri, Mysuru 570 006, India
| | - Doreraj Darshan
- Plant Cell Biotechnology, CSIR-Central Food Technological Research Institute, Mysuru 570 005, India
| | | | - Sreedharamurthy Satish
- Department of Studies in Microbiology, University of Mysore, Manasagangotri, Mysuru 570 006, India
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Abdullah S, Oh YS, Kwak MK, Chong K. Biophysical characterization of antibacterial compounds derived from pathogenic fungi Ganoderma boninense. J Microbiol 2021; 59:164-174. [PMID: 33355891 PMCID: PMC7756191 DOI: 10.1007/s12275-021-0551-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/10/2020] [Accepted: 11/10/2020] [Indexed: 01/31/2023]
Abstract
There have been relatively few studies which support a link between Ganoderma boninense, a phytopathogenic fungus that is particularly cytotoxic and pathogenic to plant tissues and roots, and antimicrobial compounds. We previously observed that liquid-liquid extraction (LLE) using chloroformmethanol-water at a ratio (1:1:1) was superior at detecting antibacterial activities and significant quantities of antibacterial compounds. Herein, we demonstrate that antibacterial secondary metabolites are produced from G. boninense mycelia. Antibacterial compounds were monitored in concurrent biochemical and biophysical experiments. The combined methods included high performance thin-layer chromatography (HPTLC), gas chromatography-mass spectrometry (GC-MS), high-performance liquid chromatography (HPLC), fourier transform infrared (FTIR), and nuclear magnetic resonance (NMR) spectroscopy. The antibacterial compounds derived from mycelia with chloroform-methanol extraction through LLE were isolated via a gradient solvent elution system using HPTLC. The antibacterial activity of the isolated compounds was observed to be the most potent against Staphylococcus aureus ATCC 25923 and multidrug-resistant S. aureus NCTC 11939. GC-MS, HPLC, and FTIR analysis confirmed two antibacterial compounds, which were identified as 4,4,14α-trimethylcholestane (m/z = 414.75; lanostane, C30H54) and ergosta-5,7,22-trien-3β-ol (m/z = 396.65; ergosterol, C28H44O). With the aid of spectroscopic evaluations, ganoboninketal (m/z = 498.66, C30H42O6), which belongs to the 3,4-seco-27-norlanostane triterpene family, was additionally characterized by 2D-NMR analysis. Despite the lack of antibacterial potential exhibited by lanostane; both ergosterol and ganoboninketal displayed significant antibacterial activities against bacterial pathogens. Results provide evidence for the existence of bioactive compounds in the mycelia of the relatively unexplored phytopathogenic G. boninense, together with a robust method for estimating the corresponding potent antibacterial secondary metabolites.
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Affiliation(s)
- Syahriel Abdullah
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Yoon Sin Oh
- Department of Food and Nutrition, Institute of Food and Nutrition Science, Eulji University, Seongnam, 13135 Republic of Korea
| | - Min-Kyu Kwak
- Department of Food and Nutrition, Institute of Food and Nutrition Science, Eulji University, Seongnam, 13135 Republic of Korea
| | - KhimPhin Chong
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia
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Zang Y, Cheng Z, Wu T. TLC Bioautography on Screening of Bioactive Natural Products: An Update Review. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666181224145346] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Background:
TLC bioautography is a hyphenated technique combining planar chromatographic
separation and in situ biological activity detection. This coupled method has been receiving
much attention in screening bio-active natural products because of its properties of being simple, rapid,
inexpensive, and effective.
Methods:
The recent progress in the development of method of TLC bioautography for detecting antimicrobial
and enzyme inhibitory activities dating between 2012 and early 2018 has been reviewed.
The applications of this method in biological screening of natural products were also presented.
Results:
Some anaerobic and microaerophilic bacteria and a causative bacterium of tuberculosis have
been adopted to TLC direct bioautography. Seven types of enzymes including acetylcholinesterase,
glucosidase, lipase, xanthine oxidase, tyrosinase, monoamine oxidase, and dipeptidyl peptidase IV
have so far been adopted on TLC bioautography. Its new application in screening antiurolithiatic
agents was included.
Conclusion:
The standard experimental procedures are required for TLC antioxidant and antimicrobial
assays. Some new enzymes should be attempted and adopted on TLC bioautography. The existing
TLC methods for enzyme inhibition need more application studies to assess their screening capacity
in the discovery of active compounds. The GC-MS or LC-MS approaches have gradually been
coupled to TLC bioautography for fast structural characterization of active compounds.
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Affiliation(s)
- Yichao Zang
- Department of Pharmacognosy, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Zhihong Cheng
- Department of Pharmacognosy, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Tao Wu
- Key Laboratory of Standardization of Chinese Medicines of Ministry of Education, The Shanghai Key Laboratory for Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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A novel study on the inhibitory effect of marine macroalgal extracts on hyphal growth and biofilm formation of candidemia isolates. Sci Rep 2020; 10:9339. [PMID: 32518329 PMCID: PMC7283248 DOI: 10.1038/s41598-020-66000-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 05/13/2020] [Indexed: 12/23/2022] Open
Abstract
Biofilm formation and hyphal growth are considered to be the most serious virulence factors of Candida species in blood causing candidemia infections, which are difficult to treat due to the spread of resistant Candida isolates to most antifungal drugs. Therefore, in this study, we investigated the effect of different types and concentrations of selected macroalgal extracts from Cladostephus spongiosus (Phaeophyta), Laurencia papillosa (Rhodophyta), and Codium arabicum (Chlorophyta) in inhibiting those virulence factors of the isolated Candida. Acetone extract of C. spongiosus (AECS) showed a stronger anticandidal activity against the selected strains than ethanol extract. Candida krusei was the highest biofilm producer among the selected isolates. AECS showed an inhibition of C. krusei biofilm formation as well as a reduction in the viability of preformed biofilms. Also, AECS reduced various sugars in the candidal exo-polysaccaride layer (EPS). Scanning electron microscopy (SEM) and light microscopic images revealed an absence of hyphae and an alteration in the morphology of biofilm cells when treated with AECS. Moreover, AECS downregulated the expression of hyphal specific genes, hyphal wall protein 1 (HWP1), Agglutinin-like protein 1 (ALS1) and fourth secreted aspartyl proteinase (SAP4), which confirmed the inhibitory effect of AECS on hyphal growth and biofilm formation. Gas chromatography-mass spectrophotometer (GC-MS) analysis of AECS showed three major compounds, which were non-existent in the ethanol extract, and might be responsible for the anticandidal activity; these revealed compounds were 4-hydroxy-4-methyl-2-pentanone, n-hexadecenoic acid, and phenol, 2-methoxy-4-(2-propenyl). These active compounds of AECS may be promising for future pharmaceutical applications in the treatment of candidemia.
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Antimicrobial and antioxidant characterization of bioactive components from Chlorococcum minutum. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100567] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Evaluation of Antioxidant and Antimicrobial Activity of Some Plants Collected from Malaysia. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2019. [DOI: 10.22207/jpam.13.4.52] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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Effect of different extraction techniques on total phenolic and flavonoid contents, and antioxidant activity of betelvine and quantification of its phenolic constituents by validated HPTLC method. 3 Biotech 2019; 9:37. [PMID: 30622875 DOI: 10.1007/s13205-018-1565-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 12/31/2018] [Indexed: 10/27/2022] Open
Abstract
The objective of the study is to analyze the effect of different extracting methods on the polyphenolic content and antioxidant activities in Piper betle leaves. In the present research, P. betle leaf extract was prepared by sonication, Soxhlet and maceration methods using acetone (100%, v/v). The efficiency of the extraction methods was estimated by quantifying the total phenolic content (TPC) by the Folin-Ciocalteu method and total flavonoid content (TFC) by AlCl3 colorometric methods, and antioxidant power of the various extracts was determined by DPPH (2,2-diphenyl-1-picrylhydrazyl) and ABTS 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) radical scavenging assay. Thin-layer chromatography (TLC) bioautography was carried out to identify antioxidants, and their amount was determined by the newly developed high-performance thin-layer chromatography (HPTLC) method. DPPH free radical scavenging capacity of the different extracts from strongest to weakest was as follows: ascorbic acid (4.27 µg/mL) > sonication (5.35 µg/mL) >, maceration (5.53 µg/mL)>, soxhlet extraction (5.83 µg/mL). Same trend was also observed for the ABTS radical scavenging capacity. Similarly, findings of this study also showed that sonication extract possessed highest phenolic and flavonoid contents followed by maceration and Soxhlet extraction. In addition, important bioactive phenolic constituents which contribute largely towards antioxidant potential such as eugenol and eugenol acetate were quantified using HPTLC (high-performance thin-layer chromatography) method. The average percent recovery of eugenol and eugenol acetate was found to be 97.28% and 98.04%, respectively. The LOD (limit of detection) and LOQ (limit of quantification) for eugenol were 5 and 15 ng/spot, whereas that of eugenol acetate were 10 and 30 ng/spot. The HPTLC densitometric determination also supported the results of antioxidant assays by revealing the presence of higher amount of identified antioxidants in sonication followed by maceration and Soxhlet extraction. The developed HPTLC chromatogram profile may be used as a reference for the standardization of P. betle leaf extracts.
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Affonso RS, Lima JA, Lessa BM, Caetano JVO, Obara MT, Nóbrega AB, Nepovimova E, Musilek K, Kuca K, Slana GBCA, França TCC. Quantification through TLC-densitometric analysis, repellency and anticholinesterase activity of the homemade extract of Indian cloves. Biomed Chromatogr 2017; 32. [PMID: 28913959 DOI: 10.1002/bmc.4096] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/23/2017] [Accepted: 09/07/2017] [Indexed: 11/06/2022]
Abstract
The rise of the mosquitoes-transmitted diseases, like dengue, zika and chikungunya in Brazil in the last years has increased concerns on protection against mosquitoes bites. However, the prohibitive prices of the commercially available repellents for the majority of the Brazilian population has provoked a search for cheaper solutions, like the use of the homemade ethanolic extract of Indian clove (Syzygium aromaticum L.) as repellent, which has been reported as quite efficient by the local press. In order to verify this, we performed here the quantification of the main components of this extract through high-performance thin-layer chromatography (HPTLC)-densitometry and evaluated its efficiency as a repellent and its acetylcholinesterase (AChE) inhibition capacity. Our results have proved HPTLC-densitometry as an efficient and appropriate method for this quantification and confirmed the repellency activity, as well as its capacity of AChE inhibition.
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Affiliation(s)
- Raphael S Affonso
- Laboratory of Molecular Modeling Applied to the Chemical and Biological Defense, Military Institute of Engineering, Rio de Janeiro, Brazil
| | - Josélia A Lima
- Laboratory of Molecular Modeling Applied to the Chemical and Biological Defense, Military Institute of Engineering, Rio de Janeiro, Brazil
| | - Bruno M Lessa
- Biodiversity Chemistry Laboratory, Phytomedicine Agroecological Platform, Brazil
| | | | - Marcos T Obara
- University of Brasília, University of Brasilia, Nucleus of tropical medicine, Brazil
| | - Andréa B Nóbrega
- Biodiversity Chemistry Laboratory, Phytomedicine Agroecological Platform, Brazil
| | - Eugenie Nepovimova
- University Hradec Kralove, Faculty of Science, Department of Chemistry, Rokitanskeho 62, 50003, Hradec Kralove, Czech Republic
| | - Kamil Musilek
- University Hradec Kralove, Faculty of Science, Department of Chemistry, Rokitanskeho 62, 50003, Hradec Kralove, Czech Republic.,University Hospital, Biomedical Research Centre, Sokolska 581, 500 05, Hradec Kralove, Czech Republic
| | - Kamil Kuca
- University Hradec Kralove, Faculty of Science, Department of Chemistry, Rokitanskeho 62, 50003, Hradec Kralove, Czech Republic
| | - Gláucia B C A Slana
- Biodiversity Chemistry Laboratory, Phytomedicine Agroecological Platform, Brazil.,National Institute of Intellectual Property, Brazil
| | - Tanos C C França
- Laboratory of Molecular Modeling Applied to the Chemical and Biological Defense, Military Institute of Engineering, Rio de Janeiro, Brazil.,Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czech Republic
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Syahidah A, Saad CR, Hassan MD, Rukayadi Y, Norazian MH, Kamarudin MS. Phytochemical Analysis, Identification and Quantification of Antibacterial Active Compounds in Betel Leaves, Piper betle Methanolic Extract. Pak J Biol Sci 2017; 20:70-81. [PMID: 29022997 DOI: 10.3923/pjbs.2017.70.81] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND AND OBJECTIVE The problems of bacterial diseases in aquaculture are primarily controlled by antibiotics. Medicinal plants and herbs which are seemed to be candidates of replacements for conventional antibiotics have therefore gained increasing interest. Current study was performed to investigate the presence of phytochemical constituents, antibacterial activities and composition of antibacterial active compounds in methanolic extract of local herb, Piper betle . METHODOLOGY Qualitative phytochemical analysis was firstly carried out to determine the possible active compounds in P. betle leaves methanolic extract. The antibacterial activities of major compounds from this extract against nine fish pathogenic bacteria were then assessed using TLC-bioautography agar overlay assay and their quantity were determined simultaneously by HPLC method. RESULTS The use of methanol has proved to be successful in extracting numerous bioactive compounds including antibacterial compounds. The TLC-bioautography assay revealed the inhibitory action of two compounds which were identified as hydroxychavicol and eugenol. The $-caryophyllene however was totally inactive against all the tested bacterial species. In this study, the concentration of hydroxychavicol in extract was found to be 374.72±2.79 mg g-1, while eugenol was 49.67±0.16 mg g-1. CONCLUSION Based on these findings, it could be concluded that hydroxychavicol and eugenol were the responsible compounds for the promising antibacterial activity of P. betle leaves methanolic extract. This inhibitory action has significantly correlated with the amount of the compounds in extract. Due to its potential, the extract of P. betle leaves or it compounds can be alternative source of potent natural antibacterial agents for aquaculture disease management.
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Affiliation(s)
- A Syahidah
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - C R Saad
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - M D Hassan
- Department of Clinical Veterinary Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selang or, Malaysia
| | - Y Rukayadi
- Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - M H Norazian
- Kulliyyah of Pharmacy, International Islamic University Malaysia, 25200 Bandar Indera Mahkota, Kuantan, Pahang, Malaysia
| | - M S Kamarudin
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysi
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Thin Layer Chromatography-Bioautography and Gas Chromatography-Mass Spectrometry of Antimicrobial Leaf Extracts from Philippine Piper betle L. against Multidrug-Resistant Bacteria. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:4976791. [PMID: 27478476 PMCID: PMC4958450 DOI: 10.1155/2016/4976791] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 05/20/2016] [Accepted: 06/06/2016] [Indexed: 11/18/2022]
Abstract
This study isolated and identified the antimicrobial compounds of Philippine Piper betle L. leaf ethanol extracts by thin layer chromatography- (TLC-) bioautography and gas chromatography-mass spectrometry (GC-MS). Initially, TLC separation of the leaf ethanol extracts provided a maximum of eight compounds with Rf values of 0.92, 0.86, 0.76, 0.53, 0.40, 0.25, 0.13, and 0.013, best visualized when inspected under UV 366 nm. Agar-overlay bioautography of the isolated compounds demonstrated two spots with Rf values of 0.86 and 0.13 showing inhibitory activities against two Gram-positive multidrug-resistant (MDR) bacteria, namely, methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus. The compound with an Rf value of 0.86 also possessed inhibitory activity against Gram-negative MDR bacteria, namely, carbapenem-resistant Enterobacteriaceae-Klebsiella pneumoniae and metallo-β-lactamase-producing Acinetobacter baumannii. GC-MS was performed to identify the semivolatile and volatile compounds present in the leaf ethanol extracts. Six compounds were identified, four of which are new compounds that have not been mentioned in the medical literature. The chemical compounds isolated include ethyl diazoacetate, tris(trifluoromethyl)phosphine, heptafluorobutyrate, 3-fluoro-2-propynenitrite, 4-(2-propenyl)phenol, and eugenol. The results of this study could lead to the development of novel therapeutic agents capable of dealing with specific diseases that either have weakened reaction or are currently not responsive to existing drugs.
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17
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Abdullah NF, Mohamad Hussain R. Isolation of Allylpyrocatechol fromPiper betleL. Leaves by Using High-Performance Liquid Chromatography. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2014.908782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Noor Faradilla Abdullah
- a Department of Medical Laboratory Technology, Faculty of Health Sciences , Universiti Teknologi MARA (UiTM) , Selangor , Malaysia
| | - Roslinah Mohamad Hussain
- a Department of Medical Laboratory Technology, Faculty of Health Sciences , Universiti Teknologi MARA (UiTM) , Selangor , Malaysia
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18
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Abstract
AbstractThe most important advances in planar chromatography published between November 1, 2011 and November 1, 2013 are reviewed in this paper. Included are an introduction to the current status of the field; student experiments, books, and reviews; theory and fundamental studies; apparatus and techniques for sample preparation and TLC separations (sample application and plate development with the mobile phase); detection and identification of separated zones (chemical and biological detection, TLC/mass spectrometry, and TLC coupled with other spectrometric methods); techniques and instruments for quantitative analysis; preparative layer chromatography; and thin layer radiochromatography. Numerous applications to a great number of compound types and sample matrices are presented in all sections of the review.
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