| 摘要 |
The present invention provides: a method for bioconverting quercetin 3,4';-O-β-D-glucoside included in onions into isoquercitrin, comprising the step of fermenting by adding an Aureobasidiumpullulans culture medium in onions; a method for manufacturing fermented onions wherein isoquercitrin or beta-glucan content is enhanced, comprising the step of fermenting by adding an Aureobasidiumpullulans culture medium in onions; and a composition for bioconverting the quercetin 3,4';-O-β-D-glucoside included in onions into isoquercitrin, including, as active ingredients, the Aureobasidiumpullulans culture medium and the fermented onions wherein isoquercitrin or beta-glucan content is enhanced, manufactured by the manufacturing methods. [Reference numerals] (A) Reacting for O hour;(B) Reacting for 17 hours |
