Essential Oils’ Chemical Characterization and Investigation of Some Biological Activities: A Critical Review

Dhifi, Wissal; Bellili, Sana; Jazi, Sabrine; Bahloul, Nada; Mnif, Wissem

doi:10.3390/medicines3040025

Cited by 910 publications

(696 citation statements)

References 110 publications

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“…Essential oils derived from aromatic and medicinal plants have been recognized for decades to exhibit biological activities, including antioxidant, anti‐inflammatory, anticancer, and antimicrobial attributes . Antimicrobial activities of these natural plant materials have been intensively explored in recent years.…”

Section: Introductionmentioning

confidence: 99%

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Chemical Composition and Antimicrobial Activity of Essential Oils from the Aerial Parts of Asteriscus graveolens (Forssk.) Less. and Pulicaria incisa (Lam.) DC.: Two Asteraceae Herbs Growing Wild in the Hoggar

Chaib

Allali

Bennaceur

et al. 2017

Chemistry & Biodiversity

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In recent years, antimicrobial activities of essential oils have been intensively explored, mainly in researching and developing new antimicrobial agents to overcome microbial resistance. The present study investigates the chemical composition and antimicrobial activities of essential oils obtained from two Asteraceae: Asteriscus graveolens (Forssk.) Less. and Pulicaria incisa (Lam.) DC. Chemical analysis was performed using a combination of capillary GC-FID and GC/MS analytical techniques. The major component of Asteriscus graveolens were cis-chrysanthenyl acetate (31.1%), myrtenyl acetate (15.1%), and kessane (11.5%), while for Pulicaria incisa the main components were chrysanthenone (45.3%) and 2,6-dimethylphenol (12.6%). The oils obtained from the aerial parts were tested against sixteen microbial strains by agar well diffusion technique and dilution methods and showed minimum inhibitory concentrations (MIC) in the range of 19 - 1250 μg/ml. A good antibacterial activity against a common nosocomial pathogen, Acinetobacter baumanniiATCC 19606 was observed, especially from Pulicaria incisa essential oil, with a MIC value up to 19 μg/ml. These results give significant information about the pharmacological activity of these essential oils, which suggest their benefits to human health, having the potential to be used for medical purposes.

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Section: Introductionmentioning

confidence: 99%

“…Antimicrobial activities of these natural plant materials have been intensively explored in recent years. Even today, essential oils are attracting substantial interest from scientists because of their use in the treatment of certain infectious diseases for which synthetic antibiotics are becoming less active …”

Section: Introductionmentioning

confidence: 99%

Chemical Composition and Antimicrobial Activity of Essential Oils from the Aerial Parts of Asteriscus graveolens (Forssk.) Less. and Pulicaria incisa (Lam.) DC.: Two Asteraceae Herbs Growing Wild in the Hoggar

Chaib

Allali

Bennaceur

et al. 2017

Chemistry & Biodiversity

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“…Minyak atsiri merupakan metabolit sekunder hasil proses metabolisme yang kompleks, terutama melalui jalur mevalonat yang menghasilkan molekul bersifat volatil monoterpen hidrokarbon dan monoterpen ter-oksigenasi serta sesquiterpen atau jalur sikimat yang menghasilkan senyawa fenol [1]. Produksi minyak atsiri terjadi di bagian glandular trikoma, struktur sekresi lainnya dan jaringan sekresi khusus yang mendifusikan ke permukaan organ tanaman [2].…”

Section: Pendahuluanunclassified

“…Hampir semua organ tanaman memiliki aroma, seperti bunga, tunas, batang, daun, buah, biji, dan akar mengandung minyak atsiri [1,3].…”

Section: Pendahuluanunclassified

Activity Test of Essential Lime Oil of Leaves, Twigs, and Rind against Escherichia coli and Bacillus cereus

Warsito

Hidayat

Putri

2018

JKPK

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ABSTRAKTelah dilakukan uji aktivitas minyak atsiri jeruk purut (Citrus hystrix DC) dari daun, ranting dan kulit buah terhadap pertumbuhan bakteri gram negatif E. coli dan gram positip B. cereus. Minyak atsiri jeruk purut diperoleh dengan cara distilasi uap-air dari daun, ranting dan kulit buah jeruk purut selama 5 jam. Analisis komposisi minyak jeruk purut dengan GC-MS. Uji aktivitas antibakteri menggunakan metode sumuran dengan konsentrasi larutan 100, 300, 500 µL/mL dalam pelarut etanol, sedangkan konsentrasi hambat minimum (KHM) ditentukan menggunakan metode microdilution. Hasil penelitian menunjukkan bahwa makin besar konsentrasi larutan minyak jeruk purut makin tinggi daya hambatnya dengan minyak jeruk purut dari kulit buah lebih kuat dibandingkan minyak jeruk purut dari daun dan ranting. Nilai KHM terhadap bakteri E. coli sebesar 25,0; 50,0 dan 12,5 L/mL dan terhadap bakteri B.cereus sebesar 6,25; 12,5 dan 3,12 µl/mL berturut-turut untuk minyak jeruk purut dari daun, ranting dan kulit buah. Sitronelal sebagai komponen utama minyak jeruk purut dari daun dan ranting dengan kadar 85,07 % dan 46,40%, sedangkan komponen utama minyak jeruk purut dari kulit buah meliputi sabinen (9,21%), -pinen (21,44%), limonen (12,59%), sitronelal (20,91%) dan terpinen-4-ol (11,93%). Kata Kunci: minyak jeruk purut, E. coli, B.cereus. ABSTRACTActivity tests of essential lime oil (Citrus hystrix DC) from its leaves, twigs, and rinds on the growth of gram-negative bacteria E. coli and gram-positive B. cereus have been conducted. Essential lime oil was obtained by steam distillation of leaves, twigs and rind for 5 h. GC-MS was used to analyze the composition of essential lime oil. Well diffusion method was used for antibacterial activities testing with concentrations of solution were 100, 300, 500 µL/mL in ethanol and microdilution method was used to determine the minimal inhibitory concentrations (MICs). The results showed that higher concentration of essential lime oil led higher minimal inhibitory in which minimal inhibitory of essential oil from rind was higher than that of leaves and twigs. MICs values of E.coli are 25, 50 and 12.5 µL/mL and of B.cereus are 6.25, 12.5 and 3.12 µL/mL of leaves, twigs and rind, respectively. Citronellal compound was found as main component of essential lime oil from leaves and twigs with value of 85.7 % and 46.4 %, respectively. In addition,

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“…[19,20] Distillation is the most conventional method for the extraction of essential oils. [21] During distillation, plant materials, exposed to boiling water or steam, release their essential oils through evaporation.…”

Section: Introductionmentioning

confidence: 99%

Chemical composition and antibacterial activity of Dracocephalum kotschyi essential oil obtained by microwave extraction and hydrodistillation

Farimani

Mirzania

Sonboli

et al. 2017

International Journal of Food Properties

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Dracocephalum kotschyi essential oils obtained by hydrodistillation (HD), microwave-assisted hydrodistillation (MAHD), and solvent-free microwave extraction (SFME) were investigated by GC-FID (Gas Chromatography-Flame Ionization Detector) and GC-MS (Gas Chromatography-Mass Spectrometry). The percentage of oxygenated compounds was significantly increased from 62.52% in HD to 76.47% in MAHD, and 84.52% in SFME. Conversely, the monoterpene hydrocarbons were decreased from 30.84% in HD to 13.71% in MAHD, and 5.85% in SFME. The main compound in the essential oil obtained by HD is limonene, which accounted for more than 30% of the oil, while the percentage of this compound was reduced to 9.52% in MAHD, and 5.60% in SFME. The percents of other oxygenated compounds such as neral, geranial, geraniol, geranyl acetate, α-terpineol, trans-verbenol, carvon, and transcarveol were noticeably higher in microwave methods than those present in HD method. In aqueous medium, linear oxygenated monoterpenes may be converted to a monocyclic terpinyl cation, which it could lose a proton to give limonene. The main biosynthetic pathway of these compounds, as well as a possible route of their conversion into limonene, due to prolonged heating in the HD method, was proposed. The antimicrobial activity of D. kotschyi essential oils against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria was evaluated by broth microdilution susceptibility manner. The most sensitive bacteria to these oils was found to be S. aureus with the lowest minimum inhibitory concentration value of 2 mg mL −1 for MAHD and SFME specimens. The results indicated that oils obtained by microwave methods were more active against S. aureus. ARTICLE HISTORY

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Essential Oils’ Chemical Characterization and Investigation of Some Biological Activities: A Critical Review

Cited by 910 publications

References 110 publications

Chemical Composition and Antimicrobial Activity of Essential Oils from the Aerial Parts of Asteriscus graveolens (Forssk.) Less. and Pulicaria incisa (Lam.) DC.: Two Asteraceae Herbs Growing Wild in the Hoggar

Chemical Composition and Antimicrobial Activity of Essential Oils from the Aerial Parts of Asteriscus graveolens (Forssk.) Less. and Pulicaria incisa (Lam.) DC.: Two Asteraceae Herbs Growing Wild in the Hoggar

Activity Test of Essential Lime Oil of Leaves, Twigs, and Rind against Escherichia coli and Bacillus cereus

Chemical composition and antibacterial activity of Dracocephalum kotschyi essential oil obtained by microwave extraction and hydrodistillation

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