Microwave-assisted aqueous two-phase extraction of piceid, resveratrol and emodin from Polygonum cuspidatum by ethanol/ammonium sulphate systems

2008 ◽  
Vol 30 (12) ◽  
pp. 2079-2084 ◽  
Author(s):  
Hui Wang ◽  
Yuesheng Dong ◽  
Zhi-Long Xiu
Keyword(s):  
Ammonium Sulphate ◽  
Phase Extraction ◽  
Polygonum Cuspidatum ◽  
Two Phase ◽  
Microwave Assisted ◽  
Aqueous Two Phase Extraction

scholarly journals Extraction and characterization of polysaccharides from Semen Cassiae by microwave-assisted aqueous two-phase extraction coupled with spectroscopy and HPLC

2016 ◽  
Vol 144 ◽  
pp. 263-270 ◽  
Author(s):  
Zhi Chen ◽  
Wei Zhang ◽  
Xunyou Tang ◽  
Huajun Fan ◽  
Xiujuan Xie ◽  
...  
Keyword(s):  
Phase Extraction ◽  
Two Phase ◽  
Microwave Assisted ◽  
Aqueous Two Phase Extraction

scholarly journals Hyphenation of aqueous two-phase and microwave extraction of solasonine and solamargine from leaves of Solanum mauritianum characterized by UHPLC-qTOF-MS

2021 ◽  
Author(s):  
Tebogo Mphatlalala Mokgehle ◽  
Ntakadzeni Edwin Madala ◽  
Wilson Mugera Gitari ◽  
Nikita Tawanda Tavengwa
Keyword(s):  
Phase Extraction ◽  
Microwave Assisted Extraction ◽  
Two Phase ◽  
One Pot ◽  
Invasive Weed ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Solanum Mauritianum ◽  
The One ◽  
Aqueous Two Phase Extraction

AbstractThe biomass Solanum mauritianum (S. mauritianum) is an invasive weed specie; however, it is a source of medicinally important metabolites, as reported in literature, such as solasonine and solamargine. The study was directed at the optimization of microwave and aqueous two-phase-based extraction techniques which involved microwave-assisted extraction (MAE), aqueous two-phase extraction followed by microwave-assisted extraction (ATPE + MAE), and the “one-pot” microwave-assisted aqueous two-phase extraction (MA-ATPE) for extraction of solasonine and solamargine from leaves of S. mauritianum which was evaluated. The microwave-assisted extraction of solasonine and solamargine yielded optimums at 5.00 min, microwave power of 270 W, and solid/liquid of 0.1 g L−1 at an ethanol concentration of 60%. Application of a two-stage extraction (MAE + ATPE) in CaO-dried alcohol resulted in decreased amounts of solasonine and solamargine extracted. The best yields of solasonine and solamargine were achieved in the MA-ATPE method. Extraction of solamargine and solasonine using Na2CO3 in CaO-dried ethanol during MA-ATPE was approximately threefold and twofold greater than that of MAE + ATPE, respectively. Furthermore, extraction of solamargine and solasonine using NaCl in CaO-dried ethanol during MA-ATPE was approximately twofold greater than that of MAE + ATPE. The synergy of microwaves and salting-out in the “one-pot” MA-ATPE technique was shown to be a contributing factor for enhanced extraction of solamargine and solasonine from leaves of S. mauritianum. Application of this time- and energy-efficient extraction method could potentially be expanded for enrichment of medicinally important compounds from biomass of other medicinal plants.

Microwave-assisted aqueous two-phase extraction of isoflavonoids from Dalbergia odorifera T. Chen leaves

2013 ◽  
Vol 115 ◽  
pp. 136-144 ◽  
Author(s):  
Fei-Yue Ma ◽  
Cheng-Bo Gu ◽  
Chun-Ying Li ◽  
Meng Luo ◽  
Wei Wang ◽  
...  
Keyword(s):  
Phase Extraction ◽  
Two Phase ◽  
Microwave Assisted ◽  
Dalbergia Odorifera ◽  
Aqueous Two Phase Extraction
Sign in / Sign up

Export Citation Format

Share Document