Results 21 to 30 of about 125,267 (342)

Antimicrobial activity of the volatile substances from essential oils

open access: yesBMC Complementary Medicine and Therapies, 2021
Background Essential oils are volatile and lipophilic liquid extracts made from plants as secondary metabolites that can be obtained by distillation. To date, several studies have investigated the direct antimicrobial activity of liquid essential oils ...
Mareshah Abers   +6 more
doaj   +1 more source

Changes in Volatile Compound Profiles in Cold-Pressed Oils Obtained from Various Seeds during Accelerated Storage

open access: yesMolecules, 2021
Cold-pressed oils are highly valuable sources of unsaturated fatty acids which are prone to oxidation processes, resulting in the formation of lipid oxidation products, which may deteriorate the sensory quality of the produced oil.
Anna Gaca   +4 more
doaj   +1 more source

Investment and Oil Price Volatility [PDF]

open access: yesSSRN Electronic Journal, 2011
In this note, we consider the relationship between oil price volatility and firm returns for 560 firms listed on the New York Stock Exchange. Using daily time series data from 2000 to 2008, we find that oil price volatility increases firm returns for the majority of the firms in our sample.
Susan Sunila Sharma   +1 more
openaire   +3 more sources

THE VOLATILE OILS OF THE GENUS SOLIDAGO. [PDF]

open access: yesJournal of the American Chemical Society, 1915
n ...
Miller, Emerson R.   +1 more
openaire   +3 more sources

THE VOLATILE OIL OF CALYCANTHUS FLORIDUS. [PDF]

open access: yesJournal of the American Chemical Society, 1914
n ...
Miller, Emerson R.   +2 more
openaire   +3 more sources

THE VOLATILE OIL OF PINUS SEROTINA. [PDF]

open access: yesJournal of the American Chemical Society, 1908
n ...
Herty, Chas H., Dickson, W. S.
openaire   +2 more sources

Influence of extraction methods on the composition of essential oils of Achillea millefolium L. from Lithuania [PDF]

open access: yes, 2014
In this study, flowering aerial parts of Achillea millefolium were used as a matrix for supercritical CO2 extraction (SFE) of volatile oil. The collected extracts were analyzed by GC-FID and GC-MS methods and their composition were compared with that of ...
Bagdonaite, E.   +4 more
core   +1 more source

Do topical repellents divert mosquitoes within a community? Health equity implications of topical repellents as a mosquito bite prevention tool. [PDF]

open access: yes, 2013
OBJECTIVES: Repellents do not kill mosquitoes--they simply reduce human-vector contact. Thus it is possible that individuals who do not use repellents but dwell close to repellent users experience more bites than otherwise.
DC Chavasse   +22 more
core   +3 more sources

Antibacterial and insecticidal activity of volatile compounds of three algae species of Oman Sea

open access: yesInternational Journal of Secondary Metabolite, 2016
Many of the volatile oils showed important biological and pharmacological activities, these compounds as part of the traditional medicine in many cultures used as long time.
Ardalan Pasdaran   +2 more
doaj   +1 more source

A neuroimaging study of pleasant and unpleasant olfactory perceptions of virgin olive oil [PDF]

open access: yes, 2016
Functional magnetic resonance imaging (fMRI) has been used to collect information from neurons that receive direct input from olfactory bulbs when subjects smell virgin olive oil. The pleasant aroma of three extra virgin olive oils (var.
Aparicio López, Ramón   +4 more
core   +3 more sources

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