Results 41 to 50 of about 840,521 (336)
USE OF SOME VOLATILE OILS AS ATTRACTIVE AGENTS TO INCREASE FOOD CONSUMPTION IN HONEYBEE COLONIES [PDF]
Arab 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
Separations, 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
Frontiers 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
Progress of nanopreparation technology applied to volatile oil drug delivery systems
HeliyonTraditional Chinese medicine volatile oil has a long history and possesses extensive pharmacological activity. However, volatile oils have characteristics such as strong volatility, poor water solubility, low bioavailability, and poor targeting, which ...
Zu-Wen Ye +9 more
doaj +1 more source
Response of Sitophilus granarius L. to fumigant toxicity of some plant volatile oils
Journal 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
SeparationsCinnamomi 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
Horticulturae, 2022 The volatile profile of an olive oil is a crucial attribute indicating its sensory quality. Hence, to elucidate the impact of geographical origin (including edaphoclimatic conditions) and the crop season on the volatile composition of monovarietal ...
Touria Lechhab +5 more
doaj +1 more source
IMF 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]
Applied 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
Preliminary Tests Regarding Fumigant Effect of Volatile Oils Obtained from Medicinal Plants
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, 2019 The objective of this work was testing 4 volatile oils obtained from new varieties of medicinal plants (yellow basil; red basil; marigold; hyssop), over Beauveria brongniartii (BbgMm1a/09) entomopathogenic fungi and Sitophilus granarius, deposit insect ...
Cătălina STAN (TUDORA) +4 more
doaj +1 more source