نتایج جستجو برای: nerolidol

تعداد نتایج: 218  

2018
Danfeng Liu Xinzheng Huang Weixia Jing Xingkui An Qiang Zhang Hong Zhang Jingjiang Zhou Yongjun Zhang Yuyuan Guo

The homoterpenes (3E)-4,8-dimethyl-1,3,7-nonatriene (DMNT) and (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene (TMTT) are major herbivore-induced plant volatiles that can attract predatory or parasitic arthropods to protect injured plants from herbivore attack. In this study, DMNT and TMTT were confirmed to be emitted from cotton (Gossypium hirsutum) plants infested with chewing caterpillars or...

2011
Chen-Lung Ho Pei-Chun Liao Yu-Chang Su

This study investigated the chemical composition, and antimicrobial and anti-wood-decay fungal activities of the essential oil isolated from the leaf of endemic Machilus zuihoensis Hayata, Lauraceae, of Taiwan. The essential oil from the fresh leaves of M. zuihoensis was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. A total of 104 compoun...

2013
Farshad Sadeghi Ardalan Alizadeh

Salvia mirzayanii is member of Lamiaceae family, which distributes only in south of Iran. Phytochemical composition of essential oil isolated by hydro distillation from the aerial parts of Salvia mirzayanii Rech. & Esfand. grown wild and cultivated in Iran were determined using Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS). Forty nine components were identified in the...

Journal: :Molecules 2013
Hamidou F Sakhanokho Blair J Sampson Nurhayat Tabanca David E Wedge Betul Demirci Kemal Husnu Can Baser Ulrich R Bernier Maia Tsikolia Natasha M Agramonte James J Becnel Jian Chen Kanniah Rajasekaran James M Spiers

The antimicrobial properties of essential oils have been documented, and their use as "biocides" is gaining popularity. The aims of this study were to analyze the chemical composition and assess the biological activities of Hedychium essential oils. Oils from 19 Hedychium species and cultivars were analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) techniques. ...

Journal: :Acta medica Philippina 2023

Objectives. The stratum corneum (SC) remains an obstacle to the passage of drugs applied topically. Severalinvestigations have focused on enhancing penetration through SC by integrating permeationenhancers (PE) into drug formulation. Terpenes are among PE utilized in formulations and categorized regulatory bodies as generally recognized safe (GRAS). This study aimed comparatively analyze skin p...

Journal: :Applied sciences 2023

The interest in new beer products, which has been growing for several years, forces technologists and brewers to look innovative raw materials, such as hops, sources of carbohydrates or yeast. aim the presented study was evaluate effect selected Saccharomyces (Saccharomyces paradoxus (CBS 7302), S. kudriavzevii 3774), cerevisiae (Safbrew T-58)) non-Saccharomyces yeast (W. anomalus 5759), Ha. uv...

Journal: :The Journal of biological chemistry 1994
C C Correll L Ng P A Edwards

The degradation of the microsomal enzyme 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase is highly regulated and is dependent on both a sterol and non-sterol derivative of mevalonic acid (MVA). We recently proposed that the non-sterol component is derived from farnesyl diphosphate (FPP), presqualene pyrophosphate, or squalene (Correll, C. C. and Edwards, P. A. (1994) J. Biol. Chem. 26...

Journal: :Molecules 2017
Huijuanzi Rao Pengxiang Lai Yang Gao

Geophila repens (L.) I.M. Johnst, a perennial herb, belongs to the Rubiaceae family. In this study, we identified the chemical composition of the Geophila repens essential oil (GR-EO) for the first time. Totally, seventy-seven compounds were identified according to GC and GC-MS, which represent 98.0% of the oil. And the major components of GR-EO were β-caryophyllene (23.3%), β-elemene (8.0%), f...

2015
Fábio H. Fernandes Zaira da R. Guterres Ivana M.P. Violante Tiago F.S. Lopes Walmir S. Garcez Fernanda R. Garcez

Biological, and particularly antimicrobial, activities have been demonstrated for the essential oil of propolis samples worlwide, yet their mutagenic effects remain unknown. To correlate antimicrobial effects with mutagenic risks, the present study evaluated the antifungal and antibacterial activities of the essential oil obtained from brown propolis collected from the Cerrado biome in Midwest ...

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