Tinkturenpresse

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Mentha aquatica L. - Lamiaceae - water mint, Wasser-Minze, Bachminze

Subordinate taxa are:
Mentha aquatica var. citrata, syn. Mentha citrata Ehrh., lemon mint, bergamot mint
Mentha aquatica var. aquatica, syn. Mentha palustris Mill., water mint
http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?463704

„The composition of the essential oils from two populations of Mentha aquatica ssp. aquatica collected in two different habitats in Migliarino-San Rossore-Massaci-uccoli Regional Park (Italy) has been determined by GC and GC/MS. The oils were found to be rich in menthofuran (38.4–55.9%) and 1,8-cineole (11.9–16.3%).“
[Variability of essential oil composition of Mentha aquatica ssp. aquatica collected in two different habitats of North Tuscany, Italy. Guido, S., Alessandra, B., Guido, F., Luigi, C. P., Emilio, T. P., Journal of Essential Oil Research, Vol.9(4), 1997, 455-457]

„Mentha aquatica L. is used in Zulu traditional medicine for spiritual purposes and an ethanolic leaf extract has previously shown strong affinity to the GABA-benzodiazepine receptor. Viridiflorol from the essential oil and (S)-naringenin from an ethanolic extract was isolated by bioassay-guided fractionation using binding to the GABA-benzodiazepine site. Viridiflorol had an IC50 of 0.19 M and (S)-naringenin of 0.0026 M.“
[Compounds from Mentha aquatica with affinity to the GABA-benzodiazepine receptor. Jäger, A. K., Almqvist, J. P., Vangsøe, S. A., Stafford, G. I., Adsersen, A., Van Staden, J., South African Journal of Botany, Vol.73(4), 2007, 518-521]

„To isolate the compound(s) responsible for the MAO-inhibitory activity…. Six extracts of varying polarity of Mentha aquatica L. were tested in a photometric peroxidase linked MAO bioassay. The 70% ethanol extract had highest inhibitory activity. (S)-Naringenin was isolated from the extract by bioassay guided fractionation on VLC and preparative TLC…. The IC50 values for MAO inhibition by naringenin were 342 ± 33 μM for the rat liver mitochondrial fraction, 955 ± 129 μM for MAO-A and 288 ± 18 μM for MAO-B…. The content of naringenin in Mentha aquatica might explain its use in traditional medicine for depression-like conditions.“
[Isolation of the MAO-inhibitor naringenin from Mentha aquatica L., Olsen, H. T., Stafford, G. I., van Staden, J., Christensen, S. B., Jäger, A. K., Journal of ethnopharmacology, Vol.117(3), 2008, 500-502]