Composition and antimicrobial activities of the leaf essential oil of Machilus zuihoensis from Taiwan

Ho, Chyi-Chen; Liao, Pei‐Chun; Su, Yu-Chang

doi:10.1590/s0102-695x2011005000213

Cited by 21 publications

(19 citation statements)

References 14 publications

(9 reference statements)

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“…The antimicrobial activity of an essential oil is attributed mainly to its major compounds; however the synergistic or antagonistic effect of a minor component of the complex mixture has to be considered. Others studies showed antimicrobial activity with oil containing at least one of these major oil compounds as the principal component (Hisham et al, 2006;Mevya et al, 2007;Asfaha et al, 2008;Ho et al, 2009). The results showed that Gram-positive bacteria S. pneumoniae was more sensitive than Gram-negative FIGURE 1.…”

Section: Antimicrobial Activitymentioning

confidence: 98%

Chemical composition and antimicrobial activity of the essential oil from the leaves and flowers of Aloysia gratissima

Santos

Pinto

Bertolucci

et al. 2013

Rev. bras. plantas med.

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Volatile oils from leaves and flowers of Aloysia gratissima were investigated for their chemical composition and antimicrobial activity against the bacteria Bacilus subtilis, Staphylococcus aureus, Salmonella choleraesuis, Pseudomonas aeruginosa, Streptococcus pneumoniae and the Candida albicans yeast. The minimum inhibitory concentrations (MIC) of the oils were determined by the micro-dilution method, while the chemical composition was determined by GC-MS (gas chromatography mass spectrometry). The fresh leaves and inflorescence were subjected to hydrodistillation for 120 min using a Clevenger-type apparatus, and the essential oil was tested against microorganisms. High concentrations of sesquiterpenes were observed for the inflorescence, and monoterpenes were observed for the leaves. The main compounds of the inflorescence essential oil were E-caryophyllene, germacrene B, guaiol and bulnesol, while in the leaves the main compounds were trans-pinocamphone, trans-pinocarveyl acetate, and guaiol. The essential oil from the leaves showed an effect against P. aeruginosa and S. pneumonia, and the essential oil of the inflorescence showed an effect against P. aeruginosa, S. pneumonia, and Candida albicans.

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Section: Antimicrobial Activitymentioning

confidence: 98%

Chemical composition and antimicrobial activity of the essential oil from the leaves and flowers of Aloysia gratissima

Santos

Pinto

Bertolucci

et al. 2013

Rev. bras. plantas med.

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show abstract

“…After liquid-liquid extraction, high levels of these sesquiterpenes were found in GPH and BPH. Nerolidol, δ-cadinene, γ-muurolene, caryophyllene and its derivative caryophyllene oxide are naturally occurring sesquiterpenes found in the essential oils of many types of plants Ho, Liao, & Su, 2012;Senatore et al, 2013), but also in green propolis samples (De Albuquerque, Alves, Lemos, Dorneles, & De Morais, 2008;Torres, Lopes, Neto, & Citó, 2008). The chemical composition of the essential oil obtained by hydrodistillation of green propolis has been analyzed by GC-FID and GC/MS (De Albuquerque et al, 2008).…”

Section: Overall Variation In Metabolite Composition Of Propolis Samplesmentioning

confidence: 99%

Metabolite profiling, antioxidant and antibacterial activities of Brazilian propolis: Use of correlation and multivariate analyses to identify potential bioactive compounds

Bittencourt

Ribeiro

Franco

et al. 2015

Food Research International

117

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The production of propolis by honeybees results from a selective collection of exudates from various plant species and present many potentialities in the pharmaceutical industry. The objective of this study was to investigate the chemical profile of Brazilian propolis, as well as their in vitro antioxidant and antibacterial activities. Gas chromatography-mass spectrometry was applied for chemical profiling of propolis extracts. Total phenolic compounds were quantified by Folin-Ciocalteu and antioxidant properties were assessed by 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay. Antibacterial activity was assessed against Staphylococcus aureus, Bacillus subtilis, and Micrococcus luteus. Correlation and multivariate statistical analysis were used to identify potential bioactive compounds in the extracts. Twenty-nine metabolites were identified along with 34 other metabolites that were classified into the following classes: triterpenoids (12), acetyltriterpenoids (3), sesquiterpenes (6), steroids (4), and hydrocarbons (9). The antioxidant capacity (IC) ranged from 21.50 to 78.77μg/mL, whereas the content of total phenolic compounds ranged from 31.88 to 204.30mg GAE/g of dry weight. Total phenolic compounds and methyl retinoate showed a positive correlation with the antioxidant capacity, whereas tetradecanal, γ-palmitolactone and ethyl hydrocinnamate showed a negative correlation. Different sets of metabolites are shown to correlate with the antibacterial activity of the extracts, which is largely dependent on the type of microorganism. This innovative approach allowed us to identify likely bioactive compounds in the extracts, although the mechanism(s) underlying antibacterial activity encompass a complex trait, which might involve synergistic effects.

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“…Recent studies also demonstrated that both α-pinene and β-pinene have antioxidant properties by 2,2-diphenyl-1-picrylhydrazyl, hydroxyl (OH) radical, superoxide anion (O2 − ), malonaldehyde/gas chromatography, aldehyde/carboxylic acid, and β-carotene bleaching methods (Wei et al 2007;Wang at al. 2008;Singh et al 2009;Ho & Su 2012).…”

Section: Primary Rat Neuronsmentioning

confidence: 99%

Antioxidative, anticancer and genotoxic properties of α-pinene on N2a neuroblastoma cells

2013

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α-Pinene, an organic monoterpene, is found in essential oils of pine and coniferous trees. To date, although various biological activities of α-pinene have been demonstrated, its neurotoxicity has never been explored. Therefore in this study, we aimed to describe in vitro antiproliferative and/or cytotoxic properties by 3-(4,5-dimetylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) test, genotoxic damage potentials by single cell gel electrophoresis, and oxidative effects by total antioxidant capacity (TAC) and total oxidative stress (TOS) analysis of α-pinene. Statistical analysis of MTT assay results indicated significant (p < 0.05) decreases of the cell proliferation rates in healthy neurons treated with α-pinene at only 400 mg/L, while significant decreases were observed in N2a cells at 100, 200 and 400 mg/L. On the other hand, the mean values of the total scores of cells showing DNA damage were not found significantly different from the control values on both cells. In addition, our results indicated that 10 and 25 mg/L of α-pinene treatment caused increases of TAC levels in primary rat neurons without any alterations of its level in N2a cells. However, α-pinene treatments at higher doses led to increases of TOS levels in both cell types. Overall our results suggest that α-pinene is of a limited therapeutic use as an anticancer agent.

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Composition and antimicrobial activities of the leaf essential oil of Machilus zuihoensis from Taiwan

Cited by 21 publications

References 14 publications

Chemical composition and antimicrobial activity of the essential oil from the leaves and flowers of Aloysia gratissima

Chemical composition and antimicrobial activity of the essential oil from the leaves and flowers of Aloysia gratissima

Metabolite profiling, antioxidant and antibacterial activities of Brazilian propolis: Use of correlation and multivariate analyses to identify potential bioactive compounds

Antioxidative, anticancer and genotoxic properties of α-pinene on N2a neuroblastoma cells

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