scholarly journals Chemical Composition andIn VitroAntioxidant, Cytotoxic, Antimicrobial, and Larvicidal Activities of the Essential Oil ofMentha piperitaL. (Lamiaceae)

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Ryan da Silva Ramos ◽  
Alex Bruno Lobato Rodrigues ◽  
Ana Luzia Ferreira Farias ◽  
Ranggel Carvalho Simões ◽  
Mayara Tânia Pinheiro ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Essential Oil ◽  
Essential Oils ◽  
Artemia Salina ◽  
Significant Inhibition ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Stage Of Development ◽  
Third Stage ◽  
Larvicidal Activities

The essential oil was obtained by hydrodistillation and the identification and quantification of components were achieved with the use of GC-MS analysis. The antioxidant activity was evaluated by the method of sequestration of DPPH. Essential oils were used for study the cytotoxic front larvae ofArtemia salina. In the evaluation of the antimicrobial activity of essential oils, we employed the disk-diffusion method. The potential larvicide in mosquito larvae of the third stage of development ofAedes aegyptito different concentrations of essential oils was evaluated. The major compounds found in the essential oils ofM. piperitawere linalool (51.8%) and epoxyocimene (19.3%). The percentage of antioxidant activity was79.9±1.6%. The essential oil showed LC50= 414.6 μg/mL front ofA. salineand is considered highly toxic. It shows sensitivity and halos significant inhibition againstE. coli. The essential possessed partial larvicidal efficiency againstA. aegypti.

scholarly journals Larvicidal Evaluation against Aedes aegypti and Antioxidant and Cytotoxic Potential of the Essential Oil of Tridax procumbens L. Leaves

2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Lethicia B. Brandão ◽  
Lizandra L. Santos ◽  
Rosany L. Martins ◽  
Alex B. L. Rodrigues ◽  
Erica de M. Rabelo ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Essential Oil ◽  
Aedes Aegypti ◽  
Cytotoxic Activity ◽  
Artemia Salina ◽  
Stage Of Development ◽  
Tridax Procumbens ◽  
Third Stage ◽  
Low Toxicity ◽  
Larvicidal Bioassay

The present study evaluated the antioxidant, cytotoxic, and larvicidal potential of the essential oil of Tridax procumbens leaves, as well as identified the compounds present in the essential oil. The antioxidant activity was evaluated by the sequestration method of 2,2-diphenyl-1-picrylhydrazyl radical, the cytotoxic activity was evaluated using Artemia salina, the larvicidal bioassay was performed with larvae in the third stage of development of the Aedes aegypti mosquito, and the identification of the metabolites was performed by gas chromatography coupled to the mass spectrometer (GC-MS). The phytochemical oil analysis showed the presence of 20 compounds, with thymol and γ-terpinene being the main ones. It presented antioxidant activity with an IC50 of 194.51 μg mL−1, demonstrating antioxidant activity in the highest concentrations tested. It presented low cytotoxic activity against A. salina, with an LC50 of 1238.67 μg mL−1, demonstrating atoxicity in the concentrations tested. The essential oil presented good larvicidal activity when compared to the literature, with an LC50 = 79.0 μg mL−1 in 24 hours and LC50 of 69.15 μg mL−1 in 48 hours. In this way, it was possible to identify that the essential oil of the leaves of T. procumbens presented potential for the development of a natural larvicide, as well as antioxidant activity satisfactory to the radical DPPH and low toxicity to A. salina.

scholarly journals Infrared spectroscopy, chemical composition and physical-chemical characteristics of the essential oil of red aroeira seeds (Schinus terebinthifolius Raddi) and it is antimicrobial and antioxidant activities

2021 ◽  
Vol 10 (13) ◽  
pp. e176101319684
Author(s):  
Maria Rosângela Dias França ◽  
Charlini Balastreri Dorta de Oliveira ◽  
Lidaiane Mariáh Silva dos Santos Franciscato ◽  
Valéria Aquilino Barbosa ◽  
Filipe Andrich ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Infrared Spectroscopy ◽  
Essential Oil ◽  
Antioxidant Activities ◽  
Refraction Index ◽  
Diffusion Method ◽  
Chemical Characteristics ◽  
Absorption Bands ◽  
Disk Diffusion Method ◽  
Physical Chemical

The aim of this study was to characterize the essential oil (EO) of red aroeira seeds and to evaluate their antimicrobial and antioxidant activities. The EO was extracted by hydrodistillation in a Clevenger-type device with a yield of 9.83% ± 0.31%; it was characterized by Fourier-transform infrared spectroscopy (FTIR), gas chromatography and mass spectrometry (GC-MS) to determine its physical-chemical characteristics. The EO showed acidity of 0.2814 mg KOH g-1, a 1.4763 ± 0.0014 refraction index and density of 0.9365 ± 0.01656 g cm-3. Through the FTIR, the absorption bands of the EO indicated the presence of the following components: limonene, delta -3-carene, a pinene and myrcene. By GC-MS the major compounds found were 4(10)-thujene (44.97%) α-Pinene (20.42%), o-Cymene (12.76%) and p-Menth-1-en-4-ol, (R)-(-)-(6.74%). Antimicrobial activity was evaluated against Gram-positive and Gram-negative bacteria. In the microdilution method, no inhibiting activity was found in the tested concentrations (serial dilutions from 25.6 to 0.05 μL mL-1) and in the disk diffusion method, inhibition halos were observed only when pure EO was added. Antioxidant activity was evaluated by DPPH (oxidation-reduction reaction) and FRAP (iron ion reduction). In the DPPH, the obtained result was 0.01119 ± 0.0001 μmol g-1 and in FRAP, 13.813 ± 0.02187 μmol g-1, which demonstrates antioxidant activity in the two evaluated methods, indicating the possible application of the essential oil of red aroeira seeds as a natural antioxidant agent.

CHEMICAL PROFILING OF BUCHANANIA LANZAN SPRENG ESSENTIAL OIL AND ITS BIOLOGICAL ACTIVITIES

2020 ◽  
pp. 103-108
Author(s):  
AJITH S ◽  
KRISHNA V ◽  
RAVI KUMAR S ◽  
VINAY KUMAR NM
Keyword(s):  
Antioxidant Activity ◽  
Antibacterial Activity ◽  
Molecular Docking ◽  
Essential Oil ◽  
Essential Oils ◽  
Bioactive Compounds ◽  
Biological Activities ◽  
Dna Gyrase ◽  
Diffusion Method

Objective: The present study was designed to evaluate the chemical composition of the essential oil of Buchanania lanzan Spreng extracted from the seeds and to evaluate in vitro antimicrobial antioxidants and molecular docking studies of the major bioactive compounds of essential oil. Methods: The essential oil was obtained by hydrodistillation of the B. lanzan seeds and analyzed by gas chromatography-mass spectrometry (GC-MS). Antibacterial activity was evaluated against Pseudomonas aeruginosa, Salmonella typhi, Vibrio cholerae, Staphylococcus aureus, and Streptococcus pneumoniae clinical isolates by disk diffusion method and resazurin assay determined the minimum inhibitory concentration. The in vitro antioxidant activity was determined by 2,2-diphenyl-1-picrylhydrazyl (DPPH) and hydrogen peroxide (H2O2) scavenging assay; the essential oil major bioactive compounds are Androstan-3-ol, Campesterol, and γ-Sitosterol were docked against bacterial protein DNA gyrase. Results: GC-MS analysis exhibited the presence of 19 bioactive compounds. The essential oil showed that significant antibacterial activity was noticed against V. cholerae and S. typhi with the highest zone of inhibition 15.67–1.20 and 13.83–0.33, respectively. Antioxidant activity in DPPH and H2O2 scavenging assays with IC50 values of 134.23 and 191.24, respectively. The molecular docking of Androstan-3-ol and γ-Sitosterol with bacterial DNA gyrase unveiled a good binding affinity of −6.4 kcal/mol and −6.3 kcal/ mol, respectively. Conclusion: It could be concluded that the essential oils potential sources of antibacterial, antioxidant activities, and molecular docking of bioactive components. The results of this study provide partial scientific support for the traditional application of essential oils to cure diarrhea and also major bioactive compounds responsible for important biological activities.

scholarly journals Chemical Variability, Antifungal and Antioxidant Activity of Eucalyptus camaldulensis Essential Oil from Sardinia

2010 ◽  
Vol 5 (2) ◽  
pp. 1934578X1000500 ◽  
Author(s):  
Andrea Barra ◽  
Valentina Coroneo ◽  
Sandro Dessi ◽  
Paolo Cabras ◽  
Alberto Angioni
Keyword(s):  
Antioxidant Activity ◽  
Essential Oil ◽  
Ion Trap ◽  
Eucalyptus Camaldulensis ◽  
Phytopathogenic Fungi ◽  
Trolox Equivalent Antioxidant Capacity ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Chemical Variability ◽  
Eucalyptus Camaldulensis Dehnh

Essential oil (EO) from aerial parts of Eucalyptus camaldulensis Dehnh., growing wild in different localities of Sardinia (Italy), was extracted by steam distillation and analyzed by gas chromatography (GC) FID and GC-ion trap mass spectrometry (ITMS). The yields of EO (v/dry wt) ranged between 0.2-0.5%. Samples were harvested between April and December to study the seasonal chemical variability of the EO. The chemical composition varied depending on the different origins and showed strong fluctuation during the vegetative stage. Thirty-seven compounds, accounting for at least 97.7% of the total EOs were identified, the major components being p-cymene (27.8-42.7%), 1,8-cineole (4.1-39.5%), β-phellandrene (3.9-23.8%), spathulenol (2.1-15.5%) and cryptone (3.2-10.2%). The oils possessed moderate amounts (1.4-4.7%) of two uncommon aldehydes, cuminal and phellandral. The essential oils were screened for their antifungal activities against common phytopathogenic fungi using the paper disk diffusion method and they showed activity at low doses against the fungi tested. The antioxidant activity, assessed by DPPH-test and expressed as Trolox equivalent antioxidant capacity, showed values ranging between 0.5 and 5.8 mmol/L.

Chemical Composition and Antimicrobial Activity of the Leaf and Twig Essential Oils of Magnolia hypolampra Growing in Na Hang Nature Reserve, Tuyen Quang Province of Vietnam

2019 ◽  
Vol 14 (6) ◽  
pp. 1934578X1986037
Author(s):  
Chu T.T. Ha ◽  
Tran H. Thai ◽  
Nguyen T. Hien ◽  
Ha T.V. Anh ◽  
Le N. Diep ◽  
...  
Keyword(s):  
Minimum Inhibitory Concentration ◽  
Essential Oil ◽  
Essential Oils ◽  
Nature Reserve ◽  
Inhibitory Concentration ◽  
Dry Weight ◽  
Gas Chromatography Mass Spectrometry ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Test Microorganism

The leaf and twig essential oils of Magnolia hypolampra, growing wild in Na Hang Nature Reserve, Tuyen Quang province of Vietnam, were obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry. The oil yield calculated on a dry weight basis from leaves of M. hypolampra was very high (1.62%, v/w), while that from twigs was much lower (0.07%, v/w). The essential oils were dominated by monoterpenoids (74.3% and 84.8%) and sesquiterpenoids (24.4% and 13.3%) with β-pinene (36.5% and 41.3%), α-pinene (23.7% and 24.4%), and germacrene D (14.6% and 5.8%) as respective major components. Antibiotic activity of the essential oil samples was tested against Gram-positive bacteria Staphylococcus aureus, Gram-negative bacteria Escherichia coli, and yeast Candida albicans using an agar disk diffusion method. Both the leaf and twig oils showed strong inhibition against all 3 tested microorganism strains with inhibition zones from 18.5 to 30.5 mm and from 45.5 to 46 mm, respectively. Minimum inhibitory concentration of the essential oils was determined using microdilution broth susceptibility assay against 7 test microorganism strains including Bacillus subtilis, Lactobacillus fermentum, Salmonella enterica, Pseudomonas aeruginosa, and 3 abovementioned strains. Minimum inhibitory concentration values of the essential oil from the twigs were from 2.0 to 8.2 mg/mL, while those from the leaves were from 4.1 to 16.4 mg/mL.

scholarly journals The composition and antibacterial activity of the essential oil of Levisticum officinale Koch. flowers and fruits at different developmental stages

2010 ◽  
Vol 75 (12) ◽  
pp. 1661-1669 ◽  
Author(s):  
Mohammad Mirjalili ◽  
Peyman Salehi ◽  
Ali Sonboli ◽  
Javad Hadian ◽  
Samad Ebrahimi ◽  
...  
Keyword(s):  
Antibacterial Activity ◽  
Essential Oil ◽  
Essential Oils ◽  
Developmental Stages ◽  
Antibacterial Activities ◽  
Diffusion Method ◽  
Mature Fruit ◽  
Disk Diffusion Method ◽  
Immature Fruit

The composition and antibacterial activity of the essential oil of Levisticum officinale Koch. at different developmental stages (flower, immature fruit, green mature fruit and ripened fruit) is reported. The essential oils were obtained by hydrodistillation of air-dried samples and their antibacterial activities were tested against seven bacteria. The yield of oil (w/w %) in different stages was in the order: immature fruit (1.5 %) > green mature fruit (1.0 %) > ripened fruit (0.6 %) > flower (0.1 %). The essential oils were analyzed by GC and GC-MS. In total, 27, 31, 28 and 26 constituents were identified and quantified in the mentioned samples, respectively. Monoterpene hydrocarbons were the main group of compounds in the green mature fruit (79.2 %), immature fruit (78.4 %), ripened fruit (75.2 %) and flower (44.0 %). The antibacterial activity of the oils was evaluated by the disk diffusion method using M?ller-Hinton agar and determination of inhibition zones. The results of the bioassays showed some variations between the three tested oils in their inhibitory activity against the tested bacteria at a 10 ?l disc-1 concentration. The oils from mature and ripened fruit exhibited potent antibacterial activity against Bacillus subtilis, with minimum inhibitory concentration (MIC) values of 0.90 mg ml-1 in mature and ripen fruits.

scholarly journals Comparative study on the phytochemical composition and antibacterial activity of the essential oil of Diphasia klaineana stems at pre-flowering and fruit set

2021 ◽  
Vol 10 (5) ◽  
pp. 331-337
Author(s):  
Benson Boua Boua ◽  
◽  
Yacouba Koné ◽  
Lanciné Traoré ◽  
N’Guessan Ambroise Malan ◽  
...  
Keyword(s):  
Antibacterial Activity ◽  
Essential Oil ◽  
Essential Oils ◽  
Fruit Set ◽  
Developmental Stages ◽  
Antibacterial Activities ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Phytochemical Composition ◽  
Staphyloccocus Aureus

The phytochemical composition and antibacterial activity of the essential oils of Diphasia klaineana at different developmental stages (pre-flowering and fruit set) were reported. The essential oils were extracted by continuous hydro distillation and their antibacterial activities were tested against Staphyloccocus aureus ATCC 25923. The yield of oil (w/w %) of stems in different stages was in the order: pre-flowering (0.21 %) > fruit set (0.07 %). GC and GC/MS were analyzed the essential oils composition. In total, 35 and 34 constituents were identified and quantified in the mentioned samples, respectively. Monoterpene hydrocarbons were the main group of compounds in the stems during preflowering (42.40 %) and fruit set (56.15 %). Major compounds at pre-flowering were β-elemol, sabinene, guaiol and terpinen-4-ol. The antibacterial effect of essential oils was estimated by the disk diffusion method using Müller–Hinton agar and the measurement of diameters of inhibition zones. The bioassay results showed some variations between the two tested oils in their inhibitory activity against the tested bacteria at 10 µL. The essential oils from Diphasia klaineana stems at pre-flowering exhibited potent antibacterial activity against Staphyloccocus aureus ATCC 25923, with a minimum inhibitory concentration (MIC) value of 25 mg/mL, while the stems essential oil at fruit set had no activity

scholarly journals Potential inhibition of essential oils and crude extract of Zingiber species to the growth of Fusarium oxysporum Schlecht f.sp. cubense

2003 ◽  
Vol 1 (2) ◽  
pp. 58-64
Author(s):  
PURWANTI PURWANTI ◽  
SURANTO SURANTO ◽  
RATNA SETYANINGSIH
Keyword(s):  
Essential Oil ◽  
Essential Oils ◽  
Fusarium Oxysporum ◽  
Crude Extract ◽  
Disk Diffusion ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Zingiber Zerumbet ◽  
Paper Disk

The aims of this research were (1) to investigate the potency of essential oil and crude extract of rhizome lempuyang pahit (Zingiber amaricans Vahl.), lempuyang gajah (Zingiber zerumbet L.) and lempuyang wangi (Zingiber aromaticum L.) in preventing growth of F. oxysporum f.sp. cubense (2) to determine the proper concentration of essential oil and crude extract in preventing the growth of F. oxysporum f.sp. cubense. Essential oil of rhizome Zingiber spp. was separated by Stahl destilation with methanol solvent. Crude extract was made by soaking the powder of Zingiber spp. in methanol absolute and then filtered by paper disk. Several compounds of rhizome Z. amaricans Vahl. were analysed by GC-MS. Potential inhibition of essential oil and crude extract were examined using disk diffusion method at concentration of 1%, 10%, and 100% respectively, while methanol absolute was used as control and Benlate fungicide was used for comparison. The result showed that essential oil and crude extract of Z. amaricans Vahl. and Z. zerumbet L. were able to inhibit the growth of F. oxysporum f.sp. cubense. Essential oil Z. amaricans Vahl. were also able to inhibit the growth of F. oxysporum f.sp. cubense at lowest concentration of 1% while the Z. zerumbet L. at concentration 10%. Crude extract Z. amaricans Vahl. and Z. zerumbet L. were able to prevent the growth of F. oxysporum f.sp. cubense even at concentration of 100%.

scholarly journals Aktivitas Antioksidan dan Antimikroba Minyak Atsiri Kembang Leson

2020 ◽  
Vol 13 (2) ◽  
pp. 139-146
Author(s):  
Ambar Pratiwi ◽  
Inas Salimah
Keyword(s):  
Antioxidant Activity ◽  
Antibacterial Activity ◽  
Essential Oil ◽  
Essential Oils ◽  
Inhibitory Concentration ◽  
Herbal Medicines ◽  
Diffusion Method ◽  
E Coli ◽  
Ic50 Value ◽  
Dpph Method

AbstrakKembang leson adalah racikan jamu untuk mandi yang terdiri dari berbagai obat-obatan herbal yang umum ditemukan di Jawa. Kembang leson mengandung minyak atsiri utama, yaitu camphene 1,29%, benzene methyl cymene 4,93%, camphor 4,75%, cyclohexane methanol 7,56%, dan curdione 4,83%. Golongan senyawa minyak atsiri dapat menghambat radikal bebas 2,2-diphenyl-1-picrylhydrazyl (DPPH) dan memiliki aktivitas antibakteri yang ditunjukkan dengan uji aktivitas antibakteri terhadap Staphylococcus aureus dan Escherichia coli. Tujuan penelitian ini adalah untuk mengetahui aktivitas antioksidan dan antibakteri dari minyak atsiri kembang leson. Minyak Atsiri kembang leson diekstraksi dengan metode destilasi. Minyak atsiri yang diperoleh diuji aktivitas antioksidan dengan metode DPPH, serta aktivitas antibakteri dengan metode difusi. Hasil penelitian menunjukkan bahwa minyak atsiri kembang leson memiliki aktivitas antioksidan dengan persentase penghambatan DPPH sebesar 56,16%, dan memiliki nilai IC50 (half maximal inhibitory concentration) sebesar 825,78 ppm. Aktivitas antibakteri minyak atsiri kembang leson juga efektif menghambat pertumbuhan E. coli, tetapi belum mampu menghambat pertumbuhan S. aureus. Minyak atsiri kembang leson  dapat digunakan sebagai sumber antioksidan alami. Abstract Kembang leson is an herbal concoction used for bathing. It comprises various herbal medicines found in Java. Kembang leson contains essential oils such as camphene 1.29%, benzene methyl cymene 4.93%, camphor 4.75%, cyclohexane methanol 7.56% and curdione 4.83%. It is known that essential oils can reduce DPPH free radicals and have antibacterial activity against S. aureus and E. coli.  Our research to determine the antioxidant and antibacterial activity of kembang leson essential oil. The essential oil was extracted by distillation. The essential oil obtained was tested for antioxidant activity using the DPPH method, and antibacterial activity using the diffusion method. The results show that kembang leson essential oils have antioxidant and antibacterial activity. The percentage of DPPH inhibition was 56.16% and the IC50 value was 825.78 ppm. Antibacterial activity of kembang leson essential oil inhibited the growth of E. coli but could not inhibit the growth of S. aureus. Thus, kembang leson essential oils have antioxidant and antibacterial activity against E. coli, but only have antioxidant activity against S. aureus. Further studies are needed to determent the main ingredients that play an important role in the mechanism of antioxidants and antibacterial of kembang leson essential oil.

scholarly journals Antimicrobial Activity of the Essential Oil Obtained from the Seed and Oleo-Gum-Resin of Ferula assa-foetida Against Oral Pathogens

2019 ◽  
Author(s):  
Alireza Daneshkazemi ◽  
Hengameh Zandi ◽  
Abdolrahim Davari ◽  
Mahmood Vakili ◽  
Majid Emtiazi ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Essential Oil ◽  
Essential Oils ◽  
Antibacterial Properties ◽  
Antimicrobial Properties ◽  
Oral Bacteria ◽  
Gas Chromatography Mass Spectrometry ◽  
Diffusion Method ◽  
Streptococcus Sobrinus ◽  
Disk Diffusion Method

Objectives: The objective of this study was to evaluate the antimicrobial activity of the essential oil obtained from oleo-gum-resin and seeds of Ferula assa-foetida. Materials and Methods: Ferula assa-foetida plants were collected from Tabas, Yazd Province, Iran, during summer 2017. Then, essential oils were obtained from its seeds and oleo-gum-resin using hydrodistillation. Gas chromatography-mass spectrometry (GC-MS) test was performed to determine the contents of the essential oils. Four different concentrations of each oil were prepared (2.5, 5, 10, and 20 μg/ml), and the antimicrobial activity of each dose against four oral bacteria (Streptococcus mutans, Streptococcus sobrinus, Streptococcus sanguis, Streptococcus salivarius, and Lactobacillus rhamnosus) was evaluated using the disk diffusion method. The data were analyzed using analysis of variance (ANOVA) and Kruskal-Wallis test in SPSS 17 software. Results: The GC-MS findings exhibited that the main compounds found in essential oils yielded from the seeds and oleo gum resin were (Z) -1-propenyl sec-butyl disulfide and (E) -1-propenyl sec-butyl disulfide. Ferula assa-foetida plant showed a significant antimicrobial effect (P<0.05). The essential oil from Ferula assa-foetida oleo-gum-resin had significantly stronger antibacterial properties compared to the essential oil from Ferula assa-foetida seeds (P<0.001). Both essential oils showed antibacterial properties similar to that of Chlorhexidine. The growth inhibition zone was significantly dependent on the essential oil concentration for all bacteria (P<0.05). Conclusion: Our study revealed that essential oils from seeds and oleo-gum-resin of Ferula assa-foetida have antimicrobial properties. More laboratory studies are required to reach a definitive conclusion.

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