@article{3021879, title = "Isolation and antimicrobial activity of coumarin derivatives from fruits of peucedanum luxurians tamamsch", author = "Widelski, J. and Luca, S.V. and Skiba, A. and Chinou, I. and Marcourt, L. and Wolfender, J.-L. and Skalicka-Wozniak, K.", journal = "Molecules (Basel, Switzerland)", year = "2018", volume = "23", number = "5", publisher = "MDPI AG", doi = "10.3390/molecules23051222", keywords = "antiinfective agent; coumarin derivative; plant extract, aerial plant part; Apiaceae; chemical structure; chemistry; counter current chromatography; drug effect; fruit; Gram negative bacterium; Gram positive bacterium; isolation and purification; microbial sensitivity test, Anti-Infective Agents; Apiaceae; Coumarins; Countercurrent Distribution; Fruit; Gram-Negative Bacteria; Gram-Positive Bacteria; Microbial Sensitivity Tests; Molecular Structure; Plant Components, Aerial; Plant Extracts", abstract = "As a continuation of searching for phytoconstituents that act as promising agents for antimicrobial therapy, rare coumarins were isolated from fruits of Peucedanum luxurians and tested. In a first step, the content of major compounds in the aerial parts and fruits of P. luxurians were compared. The results clearly showed that the fruits with dichloromethane as a solvent yielded, in most cases, higher concentrations of almost all the analyzed coumarins than the aerial parts, with peucedanin detected as the most abundant compound with a concentration of 4563.94 ± 3.35 mg/ 100 g. Under this perspective, the dichloromethane extract from the fruits of P. luxurians was further submitted to high performance countercurrent chromatography with a mixture of n-hexane, ethyl acetate, methanol, and water 6:5:6:5 (v/v). Combination of HPCCC and prep-HPLC yielded 6,7-dihydroxybergamottin (1), officinalin (2), stenocarpin isobutyrate (3), officinalin isobutyrate (4), 8-methoxypeucedanin (5), and peucedanin (6). Isolated compounds were tested against several Gram-positive and Gram-negative bacteria strains. 6,7-Dihydroxybergamottin, peucedanin, and officinalin isobutyrate appeared to be the most active against all tested bacteria strains with minimum inhibitory concentration (MIC) values between 1.20 and 4.80 mg/mL. To the best of our knowledge, this is the first report about countercurrent isolation of mentioned coumarins, as well as the first information about their antimicrobial activity. © 2018 by the authors." }