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(S)- and (R)-eriodictyol-6-C-beta-D-glucopyranoside, novel keys to the fermentation of rooibos (Aspalathus linearis)
C Marais1, W J van Rensburg, D Ferreira
1Department of Chemistry, University of the Orange Free State, Bloemfontein, South Africa. maraisc@frm.uovs.ac.za
Phytochemistry
|October 6, 2000
Abstract:
The processed leaves and stems of Aspalathus linearis contain a new diastereomeric pair of the flavanones, (S)- and (R)-eriodictyol-6-C-beta-D-glucopyranoside, which is also formed via the oxidative cyclization of the dihydrochalcone, aspalathin, under conditions which mimic the fermentation process.