ORIGINAL RESEARCH
Screening of Chemical Characterization, Antifungal and Cytotoxic Activities of Essential Oil Constituents of Tagetes erecta L. from Erbil, Kurdistan Region-Iraq
Ausama Abdulwahab Safar 1, 2  
,  
Dara Dastan 3  
 
 
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1
Department of Biology, College of Education, Salahaddin University - Erbil, Kurdistan Region - Iraq
2
Plant Production Department, Khabat Technical Institute, Erbil Polytechnic University, Kurdistan Region -Iraq
3
Department of Pharmacognosy, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
CORRESPONDING AUTHOR
Ausama Abdulwahab Safar   

Department of Biology, College of Education, Salahaddin University /Erbil, Kurdistan Region, Iraq, Erbil, Iraq
Online publication date: 2020-02-05
Publication date: 2020-03-31
Submission date: 2019-05-27
Final revision date: 2019-07-08
Acceptance date: 2019-07-10
 
Pol. J. Environ. Stud. 2020;29(3):2317–2326
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ABSTRACT
Ethnopharmacologic relevance: The history of health benefits of Tagetes (Asteraceae) dates back at least to the 12th century. Tagetes erecta, an important specie from this genus, was widely known for its traditional medicine. Different parts of T. erecta are used in folk medicine to cure various types of diseases.
Aim of the study: Considering the lack of scientific studies of Tagetes, the present study was aimed to evaluate the chemical composition, antifungal activity of its essential oil against fungi responsible for human infections, as well as its cytotoxicity on HepG2 human liver carcinoma cell lines. Materials and methods: Clevenger-type was performed to hydrodistillate EOs and chemically analyzed by combination of GC and MS technique, followed by the evaluation of antifungal activity by using the broth microdilution method. The cytotoxicity was evaluated through MTT assay against HepG2 and expressed as IC50.
Results: One hundred and eleven compounds of the total EOs were identified from three parts (shoot, flower, and root). For the first time, more than 60 new compounds such as iso-bergapten, bergapten, (3)-thujanol acetate, sylvestrene, α-vetivone, tridecenol acetate, β-atlantol, and p-cymenene have been isolated from T. erecta. Among all yeasts, C. albicans was the most sensitive with MICs of 0.08, 0.04, 0.16 μL mL-1 for TES, TEF, and TER oil respectively. In addition, maximum apoptosis rate of up to 90% was observed for HepG2 cell line at concentrations ranging between 82 and 122 μg/ml, with IC50 value from 11.58 μg mL-1 to 19.86 μg mL-1
Conclusion: The findings from this study showed that the chemical composition of T. erecta EO varies, depending on the geographical situation, extraction method, environmental factors, and plant organ. Our results also support the hypothesis that the antifungal capacity and cytotoxic activity of the EOs can be ascribed to the lipophilic nature and low molecular weights of the constituents of EOs.
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ISSN:1230-1485