Results 41 to 50 of about 831,227 (338)

The essential oil of Thymbra capitata and its application as a biocide on stone and derived surfaces [PDF]

open access: yes, 2019
Many chemicals used nowadays for the preservation of cultural heritage pose a risk to both human health and the environment. Thus, it is desirable to find new and eco-friendly biocides that can replace the synthetic ones.
Bruno M.   +4 more
core   +1 more source

USE OF SOME VOLATILE OILS AS ATTRACTIVE AGENTS TO INCREASE FOOD CONSUMPTION IN HONEYBEE COLONIES [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2008
The present work aimed to investigate the stimulating and attractive effects of five volatile oils on honey bee colonies food consumption. These oils were added to sugar syrup and pollen substitutes.
Alqarni A.S, F J Alatawi
doaj   +1 more source

Analysis of Volatile Components and Antibacterial Activity of Silver Wormwood Essential Oils from Different Habitats by E-Nose Combined with GC-MS

open access: yesSeparations, 2023
Electronic nose (E-nose) combined with gas chromatography–mass spectrometry (GC-MS) was used to analyze the volatile components of silver wormwood from different habitats, and the antibacterial activity of essential oils was also studied, to provide a ...
Yiqin Yang   +5 more
doaj   +1 more source

Volatile Compounds in Citrus Essential Oils: A Comprehensive Review

open access: yesFrontiers in Plant Science, 2019
The essential oil fraction obtained from the rind of Citrus spp. is rich in chemical compounds of interest for the food and perfume industries, and therefore has been extensively studied during the last decades.
M. C. González-Mas   +4 more
semanticscholar   +1 more source

Identification of volatile compounds contained in the therapeutic essential oils from Pogostemon cablin, Melaleuca leucadendra, and Mentha piperita and their purified fractions

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2023
Pogostemon cablin, Melaleuca leucadendra, and Mentha piperita are three aromatic plants that have been reported to produce a high yield of volatile components with medicinal and therapeutic properties.
Binawati Ginting   +10 more
doaj   +1 more source

Effects of Extraction Methods on Volatile Oil Profiles of Cinnamomi ramulusZingiberis rhizoma recens Couplet Medicines

open access: yesSeparations
Cinnamomi ramulus (CR, Guizhi in Chinese) and Zingiberis rhizoma recens (ZRR, Shengjiang in Chinese) are couplet medicines (drug pairs or drug combinations) in traditional Chinese medicine prescriptions.
Xiaodong Xin   +6 more
doaj   +1 more source

Response of Sitophilus granarius L. to fumigant toxicity of some plant volatile oils

open access: yesJournal of Radiation Research and Applied Sciences, 2016
One-week-old adults of Sitophilus granarius (L.) reared on wheat were subjected to pure plant volatile oils of Thuja, Eucalyptus and Peppermint. Volatile oil of Thuja was extracted from unripe fruits of Thuja orientalis plant by water distillation.
Ali F. Hamza   +4 more
doaj   +1 more source

Volatility of Oil Prices

open access: yesIMF Working Papers, 1996
This paper examines the behavior of crude oil prices since 1980, and in particular the volatility of these prices. The empirical analysis covers “spot” prices for one of the key internationally traded crudes, namely Dated Brent Blend. A GARCH (generalized autoregressive conditional heteroscedastic) model, which allows the conditional variance to be ...
openaire   +5 more sources

Volatility forecasting for crude oil futures [PDF]

open access: yesApplied Economics Letters, 2010
This paper studies the forecasting properties of linear GARCH models for closing-day futures prices on crude oil, first position, traded in the New York Mercantile Exchange from January 1995 to November 2005. In order to account for fat tails in the empirical distribution of the series, we compare models based on the normal, Student’s t and ...
MARZO, MASSIMILIANO, ZAGAGLIA, PAOLO
openaire   +5 more sources

High potency of melaleuca alternifolia essential oil against multi-drug resistant gram-negative bacteria and methicillin-resistant staphylococcus aureus [PDF]

open access: yes, 2018
Purpose: Herein, an extended investigation of Tea tree oil (TTO) against a number of multi-drug resistant (MDR) microorganisms in liquid and vapor phases is reported.
Božović, Mijat   +7 more
core   +1 more source

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