نتایج جستجو برای: assisted extraction
تعداد نتایج: 291090 فیلتر نتایج به سال:
A B S T R A C T Membrane Assisted Liquid Extraction of Actinides and Remediation of Nuclear Waste: A Review N.S. Rathore1, Ana Maria Sastre2, Anil Kumar Pabby1,* * Corresponding author at: Phone: + 91 2525265197, Fax: +91 2525244158 Article history: Received 2014-08-01 Revised 2014-12-05 Accepted 2014-12-10 Available online 2014-12-10 Membrane assisted liquid extraction (MALE) technologies are ...
Background & Aim: Sesame is one of the oldest cultivated plants in the world and is one of the oldest oily products used by humans. Sesame oil is an important industrial, oral and medicinal oil. Today, the use of ultrasound has grown significantly due to its effects on food storage and processing. Experimental: In this research, the response level model w...
The present study is done to examine and optimize the process of enzyme-assisted extraction of Gallic acid from the dried fruit of Emblica officinalis. The aqueous extraction yielded 12.09% of Gallic acid. A selective extraction process after the treatment with enzymes is proposed by using 30% (v/v) methanol which releases up to 15.68% of the Gallic acid, present in the dried fruit. The optimal...
Porous agar materials have been prepared from marine macroalgae species using a simple microwave-assisted extraction/drying methodology, providing a new family of polysaccharide derived porous solids. The microwave-assisted extraction allows a more efficient and less time-consuming extraction of the polysaccharide compared to conventional extraction protocols based on conventional heating. DRIF...
An efficient ultrasound-assisted extraction technique was employed to extract total flavonoids from Sparganii rhizoma. The optimum extraction conditions for the highest yield of total flavonoids were ethanol concentration 53.62%, ultrasonication time 29.41 min and ultrasound power 300 W, which were determined using response surface methodology. The extraction yields of the optimal ultrasound-as...
Jatropha curcas has a variety of uses which are of great economic significance. Jatropha oil can be used as fuel alternative and for making biodiesel that is supposed to overcome the source limitation problem. In this study, conventional, ultrasound assisted and microwave pretreatment solid liquid extraction of Jatropha seed were studied in terms of amount and quality of the extracted oil. The ...
Ultrasonic-assisted extraction was employed for highly efficient separation of aroma oil from raspberry seeds. A central composite design with two variables and five levels was employed and effects of process variables of sonication time and extraction temperature on oil recovery and quality were investigated. Optimal conditions predicted by response surface methodology were sonication time of ...
Present study was based upon the phytochemical screening, antimicrobial and antithrombotic potential of a traditional herb Spharenthus indicus (commonly called East Indian globe thistle). A range of solvents from non-polar to polar (n-hexane, ethyl acetate, methanol) were used to attained the extract by employing conventional and modern methods of extraction like orbital shaker assisted extract...
A rapid method of microwave-assisted extraction coupled with high-speed counter current chromatography and UV detector was established for the preparation of phytosterols from edible marine algae. Extraction conditions, namely microwave power, liquid/solid ratio, irradiation time and extraction temperature were optimized using orthogonal array design. The microwave-assisted extraction of Undari...
in this study, microwave-assisted solvent extraction (mase) was used to recover oil residues from pomace olive using acidic hexane. results obtained demonstrated that oil extraction yield increased with time, the amount of acetic acid in hexane and power radiation. for both radiation powers used (170 and 510w), the optimal extraction time and most interesting content of acetic acid in hexane ar...
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