Gas chromatography-mass spectrometry (GM-MS) analysis and biological activities of the aerial part of Cleome amblyocarpa Barr. and Murb

2020 ◽  
Vol 27 (18) ◽  
pp. 22670-22679
Author(s):  
Aida Khlifi ◽  
Amal Ben Chrifa ◽  
Jihen Ben Lamine ◽  
Amira Thouri ◽  
Khawla Adouni ◽  
...  
2019 ◽  
Vol 10 (4) ◽  
pp. 2705-2710
Author(s):  
Nurul Najwa Zamimi ◽  
Noorhazayti Ab. Halim ◽  
Deny Susanti Darnis ◽  
Widya Lestari ◽  
Md Muziman Syah Md Mustafa

Sargassum polycystum is a brown seaweed, which has been reported to contain various phytoconstituents especially antimicrobial properties. However, the study on phytochemical components and biological activities of S. polycystum are yet fully understood. Therefore, the objectives of this study are to evaluate the best extraction solvents for S. polycystum and to determine the percentage of phytocomponents obtained in the n-hexane, dichloromethane (DCM) and methanol extracts of S. polycystum via Gas Chromatography-Mass Spectrometry (GC-MS) analysis. S. polycystum was collected from the coastal area of Sabah, Malaysia. After collection, it was rinsed, dried and extracted with n-hexane, DCM and methanol by soxhlet extraction. The fatty acid compounds (FAME) analysis was done using The Perkin Elmer Turbo Mass Spectrometer.  This study showed that methanol is the most efficient solvent as it produced the highest extraction yield with 3.83%, followed by n-hexane with 1.69% and lastly DCM with 0.59% in S. polycystum. On top of that, this study has found 19 phytocomponents in all extraction methods of S. polycystum, which have been proven to possess antibacterial constituents such as palmitic acid, myristic acid, oleic acid, pentadecanoic acid and behenic acid as assessed by GC-MS analysis.


Author(s):  
Kehinde O. Fagbemi ◽  
Daniel A. Aina ◽  
Roger M. Coopoosamy ◽  
Olufunmiso O. Olajuyigbe

Background: As a result of high percentage of women infected with urinary tract infection (UTI) annually, many rural dwellers use Adansonia digitata fruit pulp as herbal cure. Adansonia digitata L. (Malvaceae) is one of the great trees idolised in Africa because of its therapeutic properties.Aim: This study aimed at identifying chemical compounds in the ethylacetate fraction of the baobab fruit pulp and indicated their biological activities to justify its use for the folkloric treatment of UTI.Methods: The crude extract from Baobab fruit pulp was partitioned and ethylacetate extract was used for assay. Gas chromatography-mass spectrometry (GC–MS) analysis was performed to identify the bioactive compounds in the ethylacetate fraction, antioxidant activity was evaluated using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays whilst the total phenolic and flavonoid contents were determined by already adopted protocols. The antibacterial properties were tested against some urinary tract pathogens using macro broth dilution method.Results: A total of 36 bioactive compounds were identified by GC–MS analysis, most of them have been reported as antibacterial, antioxidant, antidiabetic, antiasthma, antifungal, anti-inflammatory and anti-cancer agents. The extract exhibited highest activity against Pseudomonas aeruginosa American Type Culture Collection (ATCC) 19582 (1.22 mg/mL) whilst Escherichia coli ATCC 8739 (˃ 8.6 mg/mL) displayed high level of resistance amongst the five bacterial isolates used in this study.Conclusion: These findings indicated that the extract contained bioactive compounds of therapeutic importance with significant antioxidant and antibacterial potentials and justify the folkloric use of this fruit in the treatment of UTIs by many African dwellers.


Proceedings ◽  
2021 ◽  
Vol 57 (1) ◽  
pp. 101
Author(s):  
Virgil Badescu ◽  
Raluca Senin

The aim of this article was the gas chromatography–mass spectrometry (GC-MS) analysis oforganic matter from a residual liquor sample (S.C. Alum S.A., Tulcea), extracted by the solid-phasemicroextraction method (SPMA) and derivatized with N-(tert-butyldimethylsilyl)-Nmethyltrifluoroacetamide(MTBSTFA) as the silylating agent. [...]


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Priyanka Verma ◽  
Atul Bajaj ◽  
R. M. Tripathi ◽  
Sudhir K. Shukla ◽  
Suman Nagpal

Abstract Background Recent advances in the diversified anti-diabetic drugs have appeared in the startling increase in the count of poisoning cases. The epidemics of diabetes mellitus are increasing; hence, the no. of anti-diabetic drug users raised by 42.9%. The use of glimepiride raised to 24%. As the toxicity and drug cases are also escalating with increasing epidemics of diabetes mellitus, a novel gas chromatography-mass spectrometry (GC-MS) method for detecting glimepiride in biological matrices is developed. Results Liquid-liquid extraction method was employed by using 1-butanol: hexane (50:50, v/v) under an alkaline medium, and then back extraction was done via acetic acid. Distinct derivatization techniques were employed for the sample preparation for GC-MS analysis, i.e., silylation and acylation. Derivatization approaches were optimized under different parameters, i.e., reaction temperature and reaction time. N-Methyl-N-(trimethylsilyl) trifluoroacetamide [MSTFA] was found to be the best sound derivatization reagent for the GC-MS analysis of glimepiride. Total ion current (TIC) mode was selected for the monitoring of ions of trimethylsilyl (TMS) derivative of glimepiride with an m/z ratio of 256. Distinct parameters like specificity, carryover, stability, precision, and accuracy were evaluated for validating the identification method. The GC-MS method is found to be linear and illustrated within the range 500 to 2500 ng/ml with the value of R2 (coefficient of determination) at 0.9924. The stability of the extracted and derivatized glimepiride was accessed with regard to processed/extracted sample conditions and autosampler conditions, respectively. Accuracy at each concentration level was within the + 15% of the nominal concentration. Precision (%) for the interday and intraday analysis was found to be in the respectable spectrum. Conclusion Henceforth, the proposed GC-MS method can be employed for the determination of glimepiride in biological matrices.


Author(s):  
Yogeshwari C ◽  
Kumudha P

 Objective:The objective of this study is to characterize the phytoconstituents of Tiliacora racemosa Colebr. using gas chromatography mass spectrometry (GC-MS).Methods: Preliminary phytochemical and physicochemical analysis was carried out using standard procedures. GC-MS analysis of methanolic extract was carried out using Thermo GC-Trace Ultra version: 5.0, Thermo MS DSQ with a DB 35MS capillary standard non-polar column and gas chromatograph interfaced to a mass selective detector (MS DSQ II) with Xcalibur software.Results: Preliminary phytochemical screening revealed the presence of alkaloids, flavonoids, phenols, tannins, triterpenoids, steroids, proteins and amino acids, carbohydrates, saponins and coumarin. Quinones, anthraquinones, glycosides and fixed oil were absent. GC-MS analysis revealed the presence of 28 compounds of which quinic acid (retention times [RT]: 15.65) and inositol, 1-deoxy-(CAS) (RT: 19.24) was observed as abundant compounds.Conclusion: The presence of various bioactive compounds confirms the medicinal importance and it’s application for curing various diseases by traditional practitioners. However, isolation and characterization of potential bioactive compounds would lead to drug formulation.


Author(s):  
S. Navaith Ahmed ◽  
P. Kalaivani ◽  
P. Amudha ◽  
B. Usharani

Sea grass are good source of potent drug which has medicinal properties and able to cure human disease. One such marine plant is the Enhalus acoroides which belong to hydrocharitaeceae family. This marine species are widely distributed in the tropics of Indian and western Pacific Ocean and the species were collected from Ramanathapuram district for further process. This study reveals about the bioactive components present in Enhalus acoroides and identified its biological activity by Gas chromatography Mass spectrometry analysis using hydroalcoholic extract. The compounds present in Enhalus acoroides are Benzoic acid, 2- methyl 7- oxa bicyclol heptanes, 1, 3 Nonadiene, silane, ethoxytriethyl. Biological activities of the compounds present in the sample include antioxidant, hypocholesterolemic, antihypertensive, anti-inflammatory, anti-microbial, antiviral and anti-hepatotoxic effect.


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