HPLC-DAD and UHPLC/QTOF-MS Analysis of Polyphenols in Extracts of the African Species <i>Combretum</i> <i>padoides</i>, <i>C. zeyheri</i> and <i>C. psidioides</i> Related to Their...

by Pia Fyhrquist, Enass Y. A. Salih, Satu Helenius, Into Laakso, Riitta Julkunen-Tiitto
Published 2020-07-01

Alkaloid-Rich Crude Extracts, Fractions and Piperamide Alkaloids of <i>Piper guineense</i> Possess Promising Antibacterial Effects

by Eunice Ego Mgbeahuruike, Pia Fyhrquist, Heikki Vuorela, Riitta Julkunen-Tiitto, Yvonne Holm
Published 2018-11-01

1,6-Dehydropinidine Is an Abundant Compound in <i>Picea abies</i> (Pinaceae) Sprouts and 1,6-Dehydropinidine Fraction Shows Antibacterial Activity against <i>Streptococcus equi</i>...

by Virpi Virjamo, Pia Fyhrquist, Akseli Koskinen, Anu Lavola, Katri Nissinen, Riitta Julkunen-Tiitto
Published 2020-10-01

Hydrolyzable tannins (ellagitannins), flavonoids, pentacyclic triterpenes and their glycosides in antimycobacterial extracts of the ethnopharmacologically selected Sudanese medicin...

by Enass Y.A. Salih, Riitta Julkunen-Tiitto, Olavi Luukkanen, Mustafa K.M. Fahmi, Pia Fyhrquist
Published 2021-12-01

LC-MS/MS Tandem Mass Spectrometry for Analysis of Phenolic Compounds and Pentacyclic Triterpenes in Antifungal Extracts of Terminalia brownii (Fresen)

by Enass Y. A. Salih, Pia Fyhrquist, Ashraf M. A. Abdalla, Abdelazim Y. Abdelgadir, Markku Kanninen, Marketta Sipi, Olavi Luukkanen, Mustafa K. M. Fahmi, Mai H. Elamin, Hiba A. Ali
Published 2017-12-01