Results 101 to 110 of about 514,436 (253)

牛至不同提取部位挥发油组分及抗氧化活性分析

open access: yesSiliao yanjiu
The experiment aimed to investigate the yield, compositional differences, and antioxidant activities of volatile oils extracted from different parts of Origanum vulgare L.. Volatile oils from different parts of Origanum vulgare L. were extracted by steam
ZHAO Min   +4 more
doaj  

The efficacy of commercially available essential oil-based candles as spatial repellents against Aedes aegypti mosquitoes – do they actually repel?

open access: yesFrontiers in Insect Science
Spatial mosquito repellents contain volatile compounds that disrupt mosquito host seeking behavior. Some essential oils have been shown to be effective spatial repellents against biting insects.
April D. Lopez   +4 more
doaj   +1 more source

Herbicidal activity of volatile oils from Eucalyptus citriodora against Parthenium hysterophorus

open access: yes, 2005
The herbicidal effect of volatile oils from leaves of Eucalyptus citriodora against the noxious weed Parthenium hysterophorus was tested. In a laboratory bioassay, seed germination and seedling length, chlorophyll content and respiratory activity of ...
Batish, D. R.   +3 more
core   +1 more source

Food Prices and Inflation Expectations in New Zealand

open access: yesAgribusiness, EarlyView.
ABSTRACT Food prices are conspicuous, and spending on food constitutes a considerable share of household expenditure. In this study, we use partially identified Bayesian structural vector autoregression models to analyze the effects of food price shocks on core inflation and 1‐ and 5‐year inflation expectations in New Zealand.
Puneet Vatsa   +2 more
wiley   +1 more source

How Crop Forecast Similarity, Government Policies, and Macroeconomic Conditions Affect WASDE Forecast Accuracy

open access: yesAgribusiness, EarlyView.
ABSTRACT The U.S. Department of Agriculture's (USDA) World Agricultural Supply and Demand Estimates (WASDE) play a central role in how agricultural commodity markets process information about supply, demand, and prices. This study examines how global and domestic shocks, as well as policy interventions, are reflected in the similarity of WASDE ...
Zhining Sun   +2 more
wiley   +1 more source

Food Security Strategy, Macroeconomic Dynamics and Food Import Sensitivity in Qatar

open access: yesAgribusiness, EarlyView.
ABSTRACT Qatar has limited agricultural land and water resources and therefore remains highly dependent on food imports. This structural dependency makes Qatar vulnerable to external shocks such as the recent Gulf crisis, threatening food security and disrupting global supply chains. In response to previous shocks, Qatar started implementing a National
Hansini Ranjan   +5 more
wiley   +1 more source

Chemical diversity and correlation analysis of volatiles from Citrus peels: Evaluation of toxicity, antioxidant and microbial inhibition efficacy

open access: yesThe Microbe
Peel essential oils from selected Citrus species viz., C. aurantifolia, C. limon, C. maxima, C. medica and C. medica*C. limon (hybrid) were analysed by Gas Chromatography-Flame Ionisation Detector (GC/FID) and Gas Chromatography-Mass Spectrometric (GC/MS)
Amala Dev A.R, Sonia Mol Joseph
doaj   +1 more source

Essential Oils

open access: yes, 2008
Essential oils are the volatile oils distilled from aromatic plant materials.
Tony Swetman
core  

INDIGENOUS VOLATILE OILS AS IMPERATIVE GIFT FROM NATURE - A REVIEW [PDF]

open access: yes, 2018
Volatile oils are concentrated odorous essences extracted from various plant parts such as flowers, fruits, heart-wood, rhizome and leaves. They are frequently employed in food flavoring, perfume, medicine and aromatherapy.
Bhart, Chhveen   +3 more
core  

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