نتایج جستجو برای: chemical compositions
تعداد نتایج: 402388 فیلتر نتایج به سال:
Rhubarb is one of the most ancient, commonly used and important herbs in Chinese medicine. The modern researches of rhubarb clarified the efficacies, ingredients and mechanisms in a more scientific and rigorous way. The main chemical compositions of rhubarb include anthraquinones, anthrones, stilbenes, tannins, polysaccharides etc. These compositions show extensive pharmacological activities in...
Background & Aim:Nepeta racemosa is an herbal and medicinal plant and this report aims to identify chemical compositions of the essential oils and volatiles of its aerial parts through classical and advanced methods. Experimental: Chemical profiles of the essential oils and volatile compounds from the aerial parts of Nepeta racemosa obtai...
Emissions of volatile organic compounds (VOCs) from concentrated 1 animal feeding operations (CAFOs): chemical compositions and 2 separation of sources 3 Bin Yuan, Matthew M. Coggon, Abigail R. Koss, Carsten Warneke, Scott 4 Eilerman, Jeff Peischl, Kenneth C. Aikin, Thomas B. Ryerson, Joost A. de 5 Gouw 6 1. NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, 7 Boulder, CO...
Since the rose water is used in food, pharmaceutical, and cosmetic products, its microbiological control is necessary. Conventional pasteurization methods cause undesirable changes in taste, smell, medicinal properties and nutritional value with decreasing the amount of essential oil, because of high temperatures. In this study, the effects of the microwave power, temperature, ultrasound power,...
Since the rose water is used in food, pharmaceutical, and cosmetic products, its microbiological control is necessary. Conventional pasteurization methods cause undesirable changes in taste, smell, medicinal properties and nutritional value with decreasing the amount of essential oil, because of high temperatures. In this study, the effects of the microwave power, temperature, ultrasound power,...
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