Results 51 to 60 of about 733,980 (168)

Volatile profile, phenolic content and antioxidant activity of chia seed (Salvia hispanica L.) essential oils obtained by different extraction methods

open access: yesGrasas y Aceites
This investigation aims to reveal the physico-chemical properties and volatile profiles of essential oils derived from chia seeds (Salvia hispanica L.) by employing both hydrodistillation (HDE) and microwave-assisted hydrodistillation (MAHDE) approaches.
B. Aydeniz, O. Guneser
doaj   +1 more source

Influence of storage temperature on quality parameters, phenols and volatile compounds of Croatian virgin olive oils

open access: yesGrasas y Aceites, 2014
The influence of low storage temperature (+4 °C and -20 °C) and conventional storage room temperature on the quality parameters, phenolic contents and volatile profiles of Buža, Črna and Rosinjola monovarietal virgin olive oils after 12 months of storage
K. Brkić Bubola   +3 more
doaj   +1 more source

Monitoring oxidative stability and changes in key volatile compounds in edible oils during ambient storage through HS-SPME/GC–MS

open access: yes, 2017
Headspace solid-phase microextraction/gas chromatography–mass spectrometry (HS-SPME/GC–MS) analysis combined with ‘relative odour activity value (ROAV)’ was used to monitor changes in key volatile compounds in peanut oil, soybean oil, rapeseed oil, and ...
Lirong Xu   +4 more
semanticscholar   +1 more source

The Effects of Essential Oils on the Nervous System: A Scoping Review

open access: yesMolecules, 2023
Essential oils are a mixture of natural aromatic volatile oils extracted from plants. The use of essential oils is ancient, and has prevailed in different cultures around the world, such as those of the Egyptians, Greeks, Persians, and Chinese.
Apsorn Sattayakhom   +2 more
semanticscholar   +1 more source

Antimicrobial, antioxidant activities and chemical composition of selected Thai spices [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2010
Nine volatile oils and six methanol extracts from Ocimum americanum, O. basilicum, O. sanctum, Citrus hystrix,Alpinia galanga, Curcuma zedoaria, Kaempferia parviflora and Zingiber cassumunar were assessed for antimicrobial andantioxidant activities.
Juraithip Wungsintaweekul   +4 more
doaj  

Coronavirus and oil price crash [PDF]

open access: yesarXiv, 2020
Coronavirus (COVID-19) creates fear and uncertainty, hitting the global economy and amplifying the financial markets volatility. The oil price reaction to COVID-19 was gradually accommodated until March 09, 2020, when, 49 days after the release of the first coronavirus monitoring report by the World Health Organization (WHO), Saudi Arabia floods the ...
arxiv  

Using Clustering Method to Understand Indian Stock Market Volatility [PDF]

open access: yes, 2016
In this paper we use Clustering Method to understand whether stock market volatility can be predicted at all, and if so, when it can be predicted. The exercise has been performed for the Indian stock market on daily data for two years. For our analysis we map number of clusters against number of variables. We then test for efficiency of clustering. Our
arxiv   +1 more source

A Comparative Study on the Characteristics of Different Types of Camellia Oils Based on Triacylglycerol Species, Bioactive Components, Volatile Compounds, and Antioxidant Activity

open access: yesFoods
This study aimed to investigate the characteristics of different varieties of camellia oils and their diacylglycerol (DAG)-enriched derivatives in terms of triacylglycerol (TAG) species, bioactive components, volatile compounds, and antioxidant activity.
Beibei Duan   +4 more
doaj   +1 more source

The Loss of Volatile Oils in Oriental Tobacco During Pre-Moistening in the Vacuum Chamber - Über den Verlust an ätherischen Ölen bei der Vorfeuchtung von Orienttabaken in der Vakuum-Kammer

open access: yesContributions to Tobacco and Nicotine Research, 1968
If a firm processes all grades of tobacco in a vacuum chamber, it is feared that the conditions of temperature and pressure present will cause a deterioration in quality by loss of the volatile oils, and particularly in the oriental grades, which are ...
Byckling E.
doaj   +1 more source

Chemical composition and antibacterial activity of essential oils from verbenaceae species: alternative sources of (E)-caryophyllene and germacrene-D

open access: yesQuímica Nova, 2011
Volatile oils from the leaves of Verbenaceae species Aloysia virgata, Lantana camara, Lantana trifolia, Lantana montevidensis, Lippia brasiliensis and Lippia sericea were investigated for its chemical composition and antibacterial activity.
Ricardo M Montanari   +5 more
doaj   +1 more source

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