<HashMap><database>biostudies-literature</database><scores/><additional><omics_type>Unknown</omics_type><volume>12(37)</volume><submitter>Xu T</submitter><pubmed_abstract>Vitexin is an active component of many traditional chinese medicines, and is found in various plants. The low solubility of vitexin limits its pharmaceutical usage. In this study, solvent-stable β-fructosidase was used to glycosylate vitexin in organic solvents. The β-fructosidase showed high activity and stability in 30-80% (v/v) ethyl acetate with 90-99% yields of vitexin glycosides. Highly efficient synthesis of β-d-fructofuranosyl-(2→6)-vitexin (1.04 g L&lt;sup>-1&lt;/sup>) and β-d-difructofuranosyl-(2→6)-vitexin (0.45 g L&lt;sup>-1&lt;/sup>) was attained in 50% (v/v) ethyl acetate solvent system from 1.5 g L&lt;sup>-1&lt;/sup> vitexin. Two novel vitexin glycosides showed higher anti-tumor activities compared to that of vitexin by employing a human breast cancer cytotoxicity assay.</pubmed_abstract><journal>RSC advances</journal><pagination>23839-23844</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC9396635</full_dataset_link><repository>biostudies-literature</repository><pubmed_title>Enzymatic synthesis of vitexin glycosides and their activity.</pubmed_title><pmcid>PMC9396635</pmcid><pubmed_authors>Du Q</pubmed_authors><pubmed_authors>Fan Z</pubmed_authors><pubmed_authors>Lu Y</pubmed_authors><pubmed_authors>Xu T</pubmed_authors><pubmed_authors>Kong Y</pubmed_authors><pubmed_authors>Lou J</pubmed_authors><pubmed_authors>Wu X</pubmed_authors></additional><is_claimable>false</is_claimable><name>Enzymatic synthesis of vitexin glycosides and their activity.</name><description>Vitexin is an active component of many traditional chinese medicines, and is found in various plants. The low solubility of vitexin limits its pharmaceutical usage. In this study, solvent-stable β-fructosidase was used to glycosylate vitexin in organic solvents. The β-fructosidase showed high activity and stability in 30-80% (v/v) ethyl acetate with 90-99% yields of vitexin glycosides. Highly efficient synthesis of β-d-fructofuranosyl-(2→6)-vitexin (1.04 g L&lt;sup>-1&lt;/sup>) and β-d-difructofuranosyl-(2→6)-vitexin (0.45 g L&lt;sup>-1&lt;/sup>) was attained in 50% (v/v) ethyl acetate solvent system from 1.5 g L&lt;sup>-1&lt;/sup> vitexin. Two novel vitexin glycosides showed higher anti-tumor activities compared to that of vitexin by employing a human breast cancer cytotoxicity assay.</description><dates><release>2022-01-01T00:00:00Z</release><publication>2022 Aug</publication><modification>2025-04-27T01:09:15.454Z</modification><creation>2025-04-06T18:06:21.964Z</creation></dates><accession>S-EPMC9396635</accession><cross_references><pubmed>36093238</pubmed><doi>10.1039/d2ra04408k</doi></cross_references></HashMap>