Maarit Karonen
PhD, Senior Lecturer, Docent, Adjunct Professor
Natural Chemistry Research Group maarit.karonen@utu.fi +358 29 450 3179 +358 50 576 5007 Office: D507 ORCID identifier: https://orcid.org/0000-0002-9964-6527 |
Areas of expertise
Interactions, liquid chromatography, mass spectrometry, natural compounds, NMR spectroscopy, phenolic compounds, polyphenols, tannins
Interactions, liquid chromatography, mass spectrometry, natural compounds, NMR spectroscopy, phenolic compounds, polyphenols, tannins
Research
- Chemistry of tannins and polyphenols
- Qualitative and quantitative analyses of tannins and polyphenols
- Role and significance of tannins on ruminant health and greenhouse gas emissions
- Role of tannins in forest ecosystems and their potential for sustainable utilization in the future
- Tannin-macromolecules interactions
Teaching
- Book Exams of Natural Compound Chemistry
- Identification of Bioactives by UV, MS and MS/MS Spectra
- LC-MS and its Applications
- Scientific Communication of Chemistry
- Structure, Activity and Quantitation Methods
Publications 
10 of 11
- Bitter problems in ecological feeding experiments: Commercial tannin preparations and common methods for tannin quantifications (2007)
- Biochemical Systematics and Ecology
(A1 Refereed original research article in a scientific journal) - Isolation and structure elucidation of procyanidin oligomers from saskatoon berries (Amelanchier alnifolia) (2007)
- Journal of Agricultural and Food Chemistry
(A1 Refereed original research article in a scientific journal) - Reversed-phase HPLC-ESI/MS analysis of birch leaf proanthocyanidins after their acidic degradation in the presence of nucleophiles (2007)
- Phytochemical Analysis
(A1 Refereed original research article in a scientific journal) - Effects of elevated carbon dioxide and ozone on foliar proanthocyanidins in Betula platyphylla, Betula ermanii, and Fagus crenata seedlings (2006)
- Journal of Chemical Ecology
(A1 Refereed original research article in a scientific journal) - Ellagitannins have greater oxidative activities than condensed tannins and galloyl glucoses at high pH: Potential impact on caterpillars (2006)
- Journal of Chemical Ecology
(A1 Refereed original research article in a scientific journal) - Lignans from the bark extract of Pinus sylvestris L. (2006)
- Magnetic Resonance in Chemistry
(A1 Refereed original research article in a scientific journal) - Quantitative analysis of polymeric proanthocyanidins in birch leaves with normal-phase HPLC (2006)
- Phytochemical Analysis
(A1 Refereed original research article in a scientific journal) - Seeing the trees for the leaves - oaks as mosaics for a host-specific moth (2006)
- Oikos
(A1 Refereed original research article in a scientific journal) - Tannin composition affects the oxidative activities of tree leaves (2006)
- Journal of Chemical Ecology
(A1 Refereed original research article in a scientific journal) - A new dihydroflavonol from Pinus sylvestris L (2005)
- Magnetic Resonance in Chemistry
(A1 Refereed original research article in a scientific journal)
UTU Research Portal