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1. (Article ID: 8632)
 
Sordon S, Popłoński J, Tronina T, Huszcza E
Microbial glycosylation of daidzein, genistein and biochanin A: two new glucosides of biochanin A
Molecules 22(1) (2017) E81 (1-9)
 

Biotransformation of daidzein, genistein and biochanin A by three selected filamentous fungi was investigated. As a result of biotransformations, six glycosylation products were obtained. Fungus Beauveria bassiana converted all tested isoflavones to 4″-O-methyl-7-O-glucosyl derivatives, whereas Absidia coerulea and Absidia glauca were able to transform genistein and biochanin A to genistin and sissotrin, respectively. In the culture of Absidia coerulea, in addition to the sissotrin, the product of glucosylation at position 5 was formed. Two of the obtained compounds have not been published so far: 4″-O-methyl-7-O-glucosyl biochanin A and 5-O-glucosyl biochanin A (isosissotrin). Biotransformation products were obtained with 22%-40% isolated yield.

fungi, genistein, microbial glycosylation, daidzein, biochanin A, isoflavones

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