AI Article Synopsis
- Heptaldehyde-modified chitosan, known as heptyl-chitosan (CH-Hp), was tested as an adsorbent for separating flavonoids from the plant A. moluccana.
- The study found that the amount of 2"-O-rhamnosylswertisin isolated was about twice that of swertisin, indicating improved separation efficiency.
- The modified chitosan showed better performance in separating glycosylated flavonoids due to its enhanced surface hydrophobicity, making it a promising material for hydrophobic interaction chromatography.
Article Abstract
Heptaldehyde-modified chitosan (heptyl-chitosan, CH-Hp) was investigated as adsorbent for chromatograhic separation of the flavonoids from A. moluccana. The amount of 2"-O-rhamnosylswertisin isolated (30.0 mg) was approx. twice as high as swertisin (17.5 mg). The improved surface hydrophobicity effected by the heptyl groups promoted the separation of flavonoids. From the results obtained, CH-Hp seems to be more suitable for separation of glycosylated flavonoids than other flavonoids. Thus, modified chitosan described here can be used for hydrophobic interaction chromatography as sucessfully illustrated with flavonoids.
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| http://dx.doi.org/10.1515/znc-2004-9-1007 | DOI Listing |
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