Separation and characterization of anthocyanins of Monarda fistulosa by high-performance liquid chromatography
β Scribed by Davies, A. J.; Mazza, G.
- Book ID
- 121688727
- Publisher
- American Chemical Society
- Year
- 1992
- Tongue
- English
- Weight
- 589 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0021-8561
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Anthocyanins such as malvidin 3-glucoside and malvidin 3,Sdiglucoside can occur in four chemical structures between pH values O-6, viz. the flavylium cation (AH+), the quinoidal base (A), the carbinol base (B) and the chalcone (C) (Fig. )'~~.
## Abstract A method is presented for separation of tryptic glycopeptidesβcontaining oligosaccharides of the Nβasparagineβlinked type. High performance liquid Chromatography (HPLC) of glycopeptides on a C18 reverseβphase system eluted with a gradient of 0%β50% acetonitrile in 0.1 M NaPO~4~ pH 2.2 r