E3S Web Conf.
Volume 145, 20202019 International Academic Exchange Conference on Science and Technology Innovation (IAECST 2019)
|Number of page(s)||5|
|Section||International Conference on Biotechnology and Food Science|
|Published online||06 February 2020|
Membrane–based separation and concentration of total flavone glycosides from Desmodium styracifolium
Guangdong Pharmaceutical University, Guangzhou 510006, China
* Corresponding author: firstname.lastname@example.org
Desmodium styracifolium is one of the traditional Chinese herbs. In the present study, membrane-based technologies were used to separate and concentrate of the total flavone glycosides fraction from D. styracifolium. The extracts flowed through an ultrafiltration membrane which MWCO (molecular weight cut-off) is 30KDa and the permeate was concentrated by MWCO-1KDa nano-filtration membrane. The solid content of the membrane concentrated extracts of D. styracifolium (MEDs) was 26.5 mg/ml. Moreover, the content of vicenin-2, schaftoside and isovitexin in MEDs were 4.88 %, 9.76 %, 1.89 % respectively. The assay in vitro showed MEDs has better anti-inflammatory effect which partly proved that our membrane-based processes for separation and concentration of flavone glycosides from D. styracifolium is reliable and practicable.
© The Authors, published by EDP Sciences 2020
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