Journal
LIFE-BASEL
Volume 13, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/life13020549
Keywords
quercetin-3-O-glucoside; hesperidinase; genotoxicity test
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The bioavailability of glucoside flavonoids is affected by the nature of the sugar, with glucosides being absorbed faster than rhamnoglucosides. Enzymatic hydrolysis is a strategy to enhance bioavailability. This study evaluated the kinetic parameters of hesperidinase-mediated hydrolysis of rutin and found that hydrolyzed rutin derivatives showed anti-proliferative and anti-mutagenic effects, making it a promising raw material for food supplements.
The bioavailability of glucoside flavonoids is influenced by the nature of the sugar, glucosides being absorbed faster than rhamnoglucosides, for example. One strategy to enhance the bioavailability is enzymatic hydrolysis. In this study, some kinetic parameters of hesperidinase-mediated hydrolysis of rutin were evaluated using an UHPLC/QTOF-MSE analysis of the products of a bioconversion reaction. The resulting hydrolyzed rutins (after 4, 8 and 12 h of reaction) were submitted to anti-proliferative and Cytokinesis-Block Micronucleus (CBMN) assays in CHO-K1 cells. In the hesperidinase-mediated hydrolysis, the final concentration of quercetin-3-O-glucoside (Q3G) was directly proportional to the rutin concentration and inversely proportional to the reaction time. At an anti-proliferative concentration (2.5 mu g/mL), hydrolyzed rutin derivatives did not show a mutagenic effect, except for the sample with a higher content of Q3G (after 4 h of the enzymatic hydrolysis of rutin). Moreover, the higher Q3G content in hydrolyzed rutin protected the CHO-K1 cells 92% of the time against methyl methanesulfonate-induced mutagenic damage. These results suggested that the anti-mutagenic effect of hydrolyzed rutin might be related to antioxidant and cell death induction. Presenting a good lipophilicity/hydrophilicity ratio, together with antioxidant and anti-mutagenic activities, the hesperidinase-mediated hydrolyzed rutin seemed to be a promisor raw material for the development of food supplements.
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