Studies on the antidandruff activity of the essential oil of coleus amboinicus and eucalyptus globulus

Selvakumar, Ponniah; Naveena, Balakrishnan; Prakash, Shyam

doi:10.1016/s2222-1808(12)60250-3

Cited by 38 publications

(21 citation statements)

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“…The oil yield of E. camaldulensis from Jerusalem was 0.5% (Chalchat et al, 2000) and significantly higher oil yield was reported for E. camaldulensis from Taiwan: 2.3-3.0% with respect to different seasons (Shieh, 1996). Similar EOs yield (0.77-2.53%) has been reported for E. globulus, as one of the economically important plants for essential oil production (Joshi, 2012;Selvakumar et al, 2012;Harkat-Madouri et al, 2015). The reported essential oil yield for other Eucalyptus species is slightly higher, ranging from 1.2% to 3% (w/w): the highest yield was obtained from E. cinerea F. (Sebei et al, 2015).…”

Section: Eucalyptus Camaldulensis Essential Oil Chemical Compositionsupporting

confidence: 74%

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Sabo

Knežević

2019

Industrial Crops and Products

167

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A B S T R A C TEucalyptus has become one of the world's most widely planted genera and E. camaldulensis (The River Red Gum) is a plantation species in many parts of the world. The plant traditional medical application indicates great antimicrobial properties, so E. camaldulensis essential oils and plant extracts have been widely examined. Essential oil of E. camaldulensis is active against many Gram positive (0.07-1.1%) and Gram negative bacteria (0.01-3.2%). The antibacterial effect is confirmed for bark and leaf extracts (conc. from 0.08 μg/mL to 200 mg/ mL), with significant variations depending on extraction procedure. Eucalyptus camaldulensis essential oil and extracts are among the most active against bacteria when compared with those from other species of genus Eucalyptus. The most fungal model organisms are sensitive to 0.125-1.0% of E. camaldulensis essential oil. The extracts are active against C. albicans (0.2-200 mg/mL leaf extracts and 0.5 mg/mL bark extracts), and against various dermatophytes. Of particular importance is considerable the extracts' antiviral activity against animal and human viruses (0.1-50 μg/mL). Although the antiprotozoal activity of E. camaldulensis essential oil and extracts is in the order of magnitude of concentration several hundred mg/mL, it is considerable when taking into account current therapy cost, toxicity, and protozoal growing resistance. Some studies show that essential oils' and extracts' antimicrobial activity can be further potentiated in combinations with antibiotics (beta-lactams, fluorochinolones, aminoglycosides, polymyxins), antivirals (acyclovir), and extracts of other plants (e.g. Annona senegalensis; Psidium guajava). The present data confirm the river red gum considerable antimicrobial properties, which should be further examined with particular attention to the mechanisms of antimicrobial activity.limited number of antiprotozoal and antiviral agents (El-Taweel, 2015;Irwin et al., 2016). This highlights the necessity for examination of new antimicrobial agents and treatment strategies of infections caused by the mentioned microorganisms.The plant kingdom represents the source of various medicines. Indeed, since ancient times medicinal plants play an important role of health care population and could represent a significant source of new antimicrobial drugs for combating pan-and multi-drug resistant microorganisms. These new antimicrobial agents could be hidden in medicinal plant extracts and essential oils. One of the significant medicinal plants is Eucalyptus camaldulensis. Thus, this review represents the summary of previous researches data, regarding chemical composition, antimicrobial activity, and other significant effects of Eucalyptus camaldulensis.

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Section: Eucalyptus Camaldulensis Essential Oil Chemical Compositionsupporting

confidence: 74%

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Sabo

Knežević

2019

Industrial Crops and Products

167

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“…22 In Uganda, the main components were linalool, carvacrol, nerol acetate, and geranyl acetate, 17 while the Malaysian oil had carvacrol, δ-3-carene, and camphor 23 ; and thymol, 1,8-cineole, and carvacrol as the main components. 24 In the present study of Taiwan P. amboinicus leaf oil, the main constituents were carvacrol, γ-terpinene, and β-caryophyllene. These results are different from the aforementioned literature and represent a first publication of such a P. amboinicus leaf oil.…”

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confidence: 62%

Antimildew Effects of Plectranthus amboinicus Leaf Essential Oil on Paper

Hsu

2019

Natural Product Communications

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In this study, we evaluated the antimildew effects on paper of Plectranthus amboinicus (Lour.) Spreng leaf essential oil prepared through hydrodistillation. The oil was isolated with a Clevenger-type apparatus and then characterized through gas chromatography with flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS). A total of 43 compounds were identified, representing 99.5% of the oil. The main ingredients were carvacrol (50.0%), γ-terpinene (13.1%), and β-caryophyllene (11.3%). The leaf oil had excellent antimildew effects; its minimum inhibitory concentration (MIC) values against Aspergillus clavatus, A. niger, Cladosporium cladosporioides, Chaetomium globosum, Myrothecium verrucaria, Penicillium citrinum, and Trichoderma viride were 100, 200, 75, 75, 100, 150, and 150 μg/cm2 respectively. The leaf oil was further partitioned into 6 derivative fractions (PO1-PO6). PO2 had excellent antimildew effects on the abovementioned strains; at a concentration of 100 μg/cm2, all were 100% inhibited, except A. niger, which was 75.8% inhibited. Carvacrol, the main ingredient of PO2, was then isolated and used for antimildew tests; carvacrol had excellent antimildew activities. Since both P. amboinicus leaf essential oil and carvacrol were proved to have excellent antimildew effects on paper, they are worth further research and development.

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“…Hal ini perlu dilakukan sebagai upaya pencarian sediaan bahan baku obat yang berasal dari daun torbangun. Analisis kandungan fitokimia dan metabolit sekunder dari ekstrak dan fraksi daun torbangun telah banyak dilaporkan (Patel et al 2010;Selvakumar et al 2012;Andarwulan et al 2014;Suryowati et. al.…”

Section: Pendahuluanunclassified

Potensi Fraksi Etil Asetat Daun Torbangun (Coleus amboinicus L.) dalam Meningkatkan Produksi Susu, Bobot Badan Tikus, dan Anak Tikus

et al. 2017

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ABSTRAKPenelitian ini bertujuan mempelajari potensi fraksi etil asetat daun torbangun dalam meningkatkan produksi susu, bobot badan induk dan pengaruhnya terhadap pertumbuhan anak tikus. Aktivitas galaktagogum dievaluasi dengan menghitung jumlah produksi susu dari induk tikus laktasi yang diberikan fraksi etil asetat dari daun torbangun (FEA), dan pelancar ASI komersil dari ekstrak daun katuk (AF). Setiap kelompok tikus laktasi (n=5), galur Sprague dawley dengan enam ekor anak tikus, diberikan fraksi etil asetat dari daun torbangun (FEA) dosis 30 mg/kg BB, dibandingkan terhadap kontrol dan tikus laktasi yang diberikan pelancar ASI komersil dosis 50 mg/kg BB. Tikus laktasi diintervensi setiap dua hari sekali, dimulai hari ke-2 sampai hari ke-14 masa menyusui. Penampilan produksi susu selama perlakuan dihitung dengan metode sebelum dan sesudah menyusui. Pertumbuhan anak tikus diukur dengan pertambahan bobot badan (PBB) selama periode perlakuan. Kelompok tikus perlakuan fraksi etil asetat dari daun torbangun memproduksi susu lebih tinggi dibandingkan kelompok AF dan kelompok kontrol, sedangkan pemberian FEA tidak mempengaruhi bobot badan induk tikus. FEA dapat meningkatkan produksi susu sebesar 17% dan AF sebesar 22% dibandingkan kelompok kontrol. Rataan produksi susu yang dihasilkan oleh tikus selama periode menyusui untuk FEA (7,12±1,16 g/anak/ hari), AF (7,43±1,04 g/anak/hari) dan kontrol (6,07±0,85 g/anak/hari). Pemberian FEA menunjukkan peningkatan pertumbuhan anak tikus secara bertahap dan pertambahan bobot badan secara signifikan di usia anak tikus hari ke 2-14 masa menyusui dibandingkan dengan kelompok kontrol. Penelitian ini mengungkapkan fraksi etil asetat memiliki potensi untuk meningkatkan produksi susu tanpa mempengaruhi bobot induk tikus laktasi dan dapat meningkatkan penampilan pertumbuhan anak tikus.Kata kunci: bobot badan, daun torbangun, fraksinasi, laktasi, tikus * Korespondensi: Telp:+62 8128159047, Surel: damanik@ipb.ac.id

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Studies on the antidandruff activity of the essential oil of coleus amboinicus and eucalyptus globulus

Cited by 38 publications

References 10 publications

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Antimildew Effects of Plectranthus amboinicus Leaf Essential Oil on Paper

Potensi Fraksi Etil Asetat Daun Torbangun (Coleus amboinicus L.) dalam Meningkatkan Produksi Susu, Bobot Badan Tikus, dan Anak Tikus

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