نتایج جستجو برای: ultrasound assisted microextraction

تعداد نتایج: 237824  

Journal: :Molecules 2012
Xinsheng Wang Qinan Wu Yanfang Wu Guangyun Chen Wei Yue Qiaoli Liang

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...

2013
Tang-Bin Zou Qing Jia Hua-Wen Li Chang-Xiu Wang Hong-Fu Wu

Astaxanthin is a novel carotenoid nutraceutical occurring in many crustaceans and red yeasts. It has exhibited various biological activities including prevention or amelioration of cardiovascular disease, gastric ulcer, hypertension, and diabetic nephropathy. In this study, ultrasound-assisted extraction was developed for the effective extraction of astaxanthin from Haematococcus pluvialis. Som...

Journal: :JOURNAL OF EDUCATION AND SCIENCE 2013

Journal: :Continuing Education in Anaesthesia Critical Care & Pain 2011

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