نتایج جستجو برای: microwave assisted extraction

تعداد نتایج: 335500  

Journal: :Acta scientiarum polonorum. Technologia alimentaria 2014
Wei Liu Chun-Li Zhou Jing Zhao Dong Chen Quan-Hong Li

BACKGROUND 6-Gingerol is one of the most pharmacologically active and abundant components in ginger, which has a wide array of biochemical and pharmacologic activities. In recent years, the application of microwave-assisted extraction (MAE) for obtaining bioactive compounds from plant materials has shown tremendous research interest and potential. In this study, an efficient microwave-assisted ...

2011
Ming Liu Wenxiang Hu

Various extraction techniques were applied in the extraction of the biologically active constituents. The methods employed were traditional maceration extraction, microwave-assisted extraction(MAE), and ultrasound extraction (UE). Compared to the maceration extraction, MAE and UE methods provided high extraction yield, requiring short time frames and less labour. Microwave irradiation is a prov...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2015
parviz aberoomand azar kambiz larijani narjes kalantari

background & aim: essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. experimental: essential oil are obtained by several isolation methods, such as hydrodistillation ...

Journal: :Journal of oleo science 2017
Himanshu S Shukla Amit Pratap

The present work deals with comparison of microwave assisted extraction to that of conventional solvent extraction for the extraction of rice bran oil (RBO); focusing on extraction yield and oil composition. Microwave assisted extraction act as a green process over other method and proved that it is effective method for extraction of oil. The investigation also focuses on the study of functiona...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
mohsen gavahian reza farhoosh asgar farahnaky katayoun javidnia fakhri shahidi

as traditional extraction methods like hydrodistillation (hd) and steamdistillation (sd) have long extraction times, some novel extraction methods like microwave-assisted hydrodistillation (mahd) and ohmic-assisted hydrodistillation (oahd) are recently introduced. in this study, essential oils of mentha piperita were extracted by oahd and mahd and the results were compared with those of the sd ...

2012
Huang Guolin Shi Jeffrey Zhang Kai Huang Xiaolan

Microwave-assisted extraction of pectin from lemon peels by using ionic liquid as alternative solvent was investigated. The extracted pectin was detected by Fourier transform infrared spectra. The extraction conditions were optimized through the different experiments in conjunction with the response surface methodology. A pectin yield of 24.68 % was obtained under the optimal parameters: the ex...

2015

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 ...

2015
Rency Elizabeth Thomas D. V. Kamat

Plant extracts having an antiplatelet aggregation activity may be a potential choice for development of antiinflammatory drugs because of their natural origin. The extraction of bioactive compounds being the most crucial step in the commercial development of natural products it is essential to have rapid and efficient phytochemical extraction methods. Extracts of B. monnieri were prepared using...

2010
B. N. Shah A. K. Seth B. S. Nayak Biren N. Shah

Objective: A microwave assisted extraction technique was developed to optimize the extraction of mucilage from the fruits of Trichosenthes dioica plant. Materials and Methods: the plant has been extracted by conventional and microwave assisted methods for the isolation of mucilage. Results and Discussion: Microwave extraction at 320 W intensity and 20 min heating duration, 84.92% increase in th...

Journal: Journal of Herbal Drugs 2015

Background & Aim: Essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. Essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. Experimental: Essential oil are obtained by several isolation methods, such as hydrodistillation (HD...

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