Modifier effects on Supercritical Fluid Extraction (SFE) of some Brazilian plants: Antioxidant activity and Economical evaluation
نویسندگان
چکیده
منابع مشابه
detection of volatile compounds of medicinal plants with some nano-sorbents using modified or new methodologies and investigation of antioxidant activity of their methanolic extracts
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
antioxidant and antimicrobial activity of allium jesdianum extract
چکیده بررسی فعالیت ضد اکسیدانی و ضدمیکروبی عصاره گیاه بن سرخ (allium jesdianum) به کوشش: زهرا مقیمی هدف از این تحقیق بررسی میزان ترکیبات فنولی کل، ترکیبات فلاوونوئیدی کل، فعالیت ضداکسیدانی و ضدمیکروبی عصاره ی گیاه تازه و خشک بن سرخ بود. استخراج عصاره به روش های غوطه وری، استفاده از همزن مغناطیسی، دستگاه مایکروویو، امواج فراصوت و گرمادهی مقاومتی و با استفاده از متانول، اتانول و آب به عنوا...
Rice Bran Oil Extraction with Supercritical Fluid (sfe) to Obtain Enriched Tocopherols and Tocotrienols Fractions
Parboiled rice bran oil was obtained using supercritical CO2 under different conditions of temperature (2°C to 40°C) and pressure (25 to 200 bar). In this study the experiments were carried out with two separators coupled to the extractor. The temperature levels in the first separator were 25°C and 40°C and in the second it was maintained constant at 2°C. The pressures in the first separator we...
متن کاملApplications of supercritical fluid extraction (SFE) of palm oil and oil from natural sources.
Supercritical fluid extraction (SFE), which has received much interest in its use and further development for industrial applications, is a method that offers some advantages over conventional methods, especially for the palm oil industry. SC-CO₂ refers to supercritical fluid extraction (SFE) that uses carbon dioxide (CO₂) as a solvent which is a nontoxic, inexpensive, nonflammable, and nonpoll...
متن کاملSupercritical Fluid Extraction of Terpenoids and Steroids from Plants
Terpenoids and steroids constitute the largest known group of plant secondary metabolites. The different groups of terpenes are formed from isoprene (C5) units in enzymatic reactions. Head-to-tail condensation of isoprene units results in the formation of monoterpenes (C10), sesquiterpenes (C15), diterpenes (C20), sesterpenes (C25) and polyterpenes. Tail-to-tail coupling of C15 and C20 units le...
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ژورنال
عنوان ژورنال: Procedia Food Science
سال: 2011
ISSN: 2211-601X
DOI: 10.1016/j.profoo.2011.09.253