نتایج جستجو برای: extraction yield

تعداد نتایج: 354272  

2017
S. Arun

Madhuca longifolia is a traditional medicinal plant used in the treatment of several diseases including cancer in Indian system of medicine. Even though the chemical composition, bioactive principles and medicinal value of M. longifolia leaf have investigated earlier, the extraction of phytochemical compounds is not yet optimized, because preparation of extract will be of great importance as it...

Journal: :Molecules 2017
Feng Li Yi-Dan Mao Yi-Fan Wang Aun Raza Li-Peng Qiu Xiu-Quan Xu

Stems are the important residues of Trapa quadrispinosa Roxb., which are abundant in phenolic compounds. Ultrasonic-assisted enzymatic extraction (UAEE) is confirmed as a novel extraction technology with main advantages of enhancing extraction yield and physiological activities of the extracts from various plants. In this study, UAEE was applied to obtain the highest yield of phenolic content, ...

Journal: :مهندسی بیوسیستم ایران 0
رحمت اله زارع زاده مهریزی کارشناس ارشد دانشگاه صنعتی اصفهان زهرا امام جمعه استاد دانشگاه تهران کرامت اله رضایی دانشگاه تهران محمد شاهدی باغ خندان استاد دانشگاه صنعتی اصفهان جواد کرامت دانشیار دانشگاه صنعتی اصفهان الهه لونی کارشناس دانشگاه تهران

in this work, fresh pomegranate peel of three dominant iranian cultivaris was extracted by soxhlet extraction method via different four solvents. the extracts were analyzed by high performance liquid chromatography (hplc), using ultraviolet-visible spectrometric detection. in this study, the extraction yields and presence of seven phytoestrogenic compounds, two tannic acids and their quantities...

2016
Avinash Narayan Kunal Jain Amita R. Shah Datta Madamwar

The present study describes the rapid and efficient indirect lysis method for environmental DNA extraction from athalassohaline soil by newly formulated cell extraction buffer. The available methods are mostly based on direct lysis which leads to DNA shearing and co-extraction of extra cellular DNA that influences the community and functional analysis. Moreover, during extraction of DNA by dire...

Journal: :Bioscience, biotechnology, and biochemistry 2009
Chaluntorn Vichasilp Kiyotaka Nakagawa Phumon Sookwong Yasuyo Suzuki Fumiko Kimura Ohki Higuchi Teruo Miyazawa

Mulberry 1-deoxynojirimycin (DNJ, a potent alpha-glycosidase inhibitor) has therapeutic potency against diabetes mellitus. However, the amount of DNJ in mulberry leaves is low (about 0.1%), and a more effective extraction method is needed. Ultrasound-assisted extraction (UAE) was applied in this study for mulberry DNJ extraction, and five factors, the percentage of ethanol in the extraction sol...

2017
Bao-Yu Hu Jun-Cai Deng Cai-Qiong Yang Yao Hu Jing Zhang Wen-Yu Yang Jiang Liu

In this study, the extraction of water-soluble polysaccharides from the seed coat of black soybean (BSCP) was investigated and optimized. A response surface methodology based on a Box-Behnken design (BBD) was used to optimize the extraction conditions as follows: extraction temperature, 100°C; ratio of water to material, 22.3 mL/g; and extraction time, 133.2 min. Under these conditions, the exp...

1998
W. A. PLESKACZ

This paper describes the yield estimation approach to layout scaling of submicron VLSI circuits. The presented method makes it feasible to find scaling factor of the IC design which is optimal from the manufacturing yield point of view. It allows also to reduce time-consuming extraction of the critical area functions. Examples of yield calculations using the proposed method are presented as well.

2004
Wei Wei Jianzhong Yin Che Zhu Yi Liu Wenhua Shi

As the development of the natural medicine, the glycyrrhizin extracted from the licorice root was found to have potential therapeutic value in the treatment of several diseases, especially available for anti-SARS virus . Therefore, the purpose of this work was to find an optimal method to extract and refine the glycyrrhizin. In this work, the extraction of glycyrrhizin by means of organic solve...

2015
P. F. VENA M. BRIENZO M. GARCÍA-APARICIO J. F. GÖRGENS T. RYPSTRA

The extraction of hemicelluloses prior to pulping is an attractive process to be incorporated in the pulp and paper mills to generate valuable by-products such as xylose and xylo-oligomers in addition to core products. This paper investigates the impact of xylan extraction by dilute acid on cooking conditions, pulp yield and properties during kraft and soda-AQ pulping of Eucalyptus grandis wood...

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