Results 81 to 90 of about 58,908 (236)

Foeniculum vulgare Essential Oils: Chemical Composition, Antioxidant and Antimicrobial Activities [PDF]

open access: yes, 2010
The essential oils from Foeniculum vulgare commercial aerial parts and fruits were isolated by hydrodistillation, with different distillation times (30 min, I h, 2 h and 3 h), and analyzed by GC and GC-MS. The antioxidant ability was estimated using four
Barroso, J. G.   +6 more
core  

Influence of Humidity, Temperature and Radicals on the Formation and Thermal Properties of Secondary Organic Aerosol (SOA) from Ozonolysis of {\beta}-pinene

open access: yes, 2013
The influence of water and radicals on SOAs produced by {\beta}-pinene ozonolysis was investigated at 298 and 288 K using a laminar flow reactor. A volatility tandem differential mobility analyzer (VTDMA) was used to measure the evaporation of the SOA ...
Emanuelsson, Eva U.   +4 more
core   +1 more source

Chiral molecules split light: Reflection and refraction in a chiral liquid [PDF]

open access: yes, 2006
A light beam changes direction as it enters a liquid at an angle from another medium, such as air. Should the liquid contain molecules that lack mirror symmetry, then it has been predicted by Fresnel that the light beam will not only change direction ...
A. Fresnel   +13 more
core   +2 more sources

Evolution of the Yields and Composition of Essential Oil from Portuguese Myrtle (Myrtus comunis L.) through the Vegetative Cycle

open access: yesMolecules, 2009
The chemical composition of the essential oil of Portuguese myrtle was determined at different developmental stages of the plant: pre-flowering, flowering, unripe and ripe berries.
M. Gabriela Bernardo-Gil   +2 more
doaj   +1 more source

PREPARATION PRELIMINARY STUDY OF BIODEGRADABLE PLASTICS BASED OF CASSAVA COMPOUNDS WITH ADDITIVES LIMONENE EXTRACTION OF ORANGE LEATHER

open access: yes, 2012
Biodegradable plastic is a plastic material that is environmentally friendly because it is able to return to nature. In general, biodegradable packaging films is defined as packaging that is recyclable and can be destroyed by nature.
Arifan, Fahmi   +2 more
core  

Essential oils diversely modulate genome-wide gene expression in human dermal fibroblasts

open access: yesCogent Medicine, 2017
The increasing popularity of essential oils for skincare has led to investigation of their biological effects in human skin cells. In this study, we investigated the biological activities of three commercially available essential oils, i.e. rosemary oil,
Xuesheng Han, Tory L. Parker
doaj   +1 more source

Microbial monoterpene transformations – A review

open access: yesFrontiers in Microbiology, 2014
Isoprene and monoterpenes constitute a significant fraction of new plant biomass. Emission rates into the atmosphere alone are estimated to be over 500 Tg per year. These natural hydrocarbons are mineralized annually in similar quantities.
Robert eMarmulla, Jens eHarder
doaj   +1 more source

Comparison between essential oil compositions of Zanthoxylum armatum DC. fruits grown at different altitudes and populations in Nepal

open access: yesInternational Journal of Food Properties, 2020
The fruits of Zanthoxylum armatum DC. were collected from different altitudes (1000–2000 m) and populations (wild and cultivated) from Salyan district, Nepal. The essential oil was extracted by Clevenger apparatus and the components were analyzed through
Nirmala Phuyal   +3 more
doaj   +1 more source

Effects of limonene on ruminal fusobacterium necrophorum concentrations, fermentation, and lysine degradation in cattle [PDF]

open access: yes, 2016
Citation: Samii, S. S., Wallace, N., Nagaraja, T. G., Engstrom, M. A., Miesner, M. D., Armendariz, C. K., & Titgemeyer, E. C. (2016). Effects of limonene on ruminal fusobacterium necrophorum concentrations, fermentation, and lysine degradation in cattle.
Armendariz, C. K.   +6 more
core   +1 more source

Modern Extraction and Purification Techniques for Obtaining High Purity Food-Grade Bioactive Compounds and Value-Added Co-Products from Citrus Wastes

open access: yesFoods, 2019
Citrus contains a range of highly beneficial bioactive compounds, such as polyphenols, carotenoids, and vitamins that show antimicrobial and antioxidant properties and help in building the body’s immune system.
Neelima Mahato   +4 more
doaj   +1 more source

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