Full-Text Search:
Home|About CNKI|User Service|中文
Add to Favorite Get Latest Update

STUDY ON THE SUPERCRITICAL CO_2 EXTRACTION OF ALKANNIN FROM ALKANNA TINCTROIA

Ma Liping (Department of Chemical Engineering, Sichuan University, Chengdu, 610065) Xing Cuiping, Wang Chunsheng and Li Changbiao (Yunnan Chemical Industry Research Institute, Kunming, 650041)  
The extraction of alkannin from alkanna tinctoria (Onosma Panlculata Bur.ct.Fr.) using supercritical carbon dioxide was researched.The experiment showed that the extraction rate of alkannin was 1.82% when the operation pressure was 20 MPa at 35 ℃,and the contents of heavy metal and As were met what WTO/FAO required.
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©CNKI All Rights Reserved