P. Härmälä

Strategy for the isolation and identification of coumarins with calcium antagonistic properties from the roots of <i>Angelica archangelica</i>

P. Härmälä, Heikki Vuorela, R. Hiltunen et al. · Phytochemical Analysis · 1992 · 46 citations

Pharmacy, Medicinal Chemistry, Pharmacology +11

Choice of Solvent in the Extraction of<i>Angelica archangelica</i>Roots with Reference to Calcium Blocking Activity

P. Härmälä, Heikki Vuorela, Kid Törnquist et al. · Planta Medica · 1992 · 36 citations

Life Sciences, Botany, Plant Sciences +13

Optimization of the high-performance liquid chromatography of coumarins in Angelica Archangelica with reference to molecular structure

P. Härmälä, Heikki Vuorela, Pekka Lehtonen et al. · Journal of Chromatography A · 1990 · 19 citations

Pharmacy, Chemistry, Medicinal Chemistry +13

Retention behaviour of closely related coumarins in thin-layer chromatographic preassays for high-performance liquid chromatography according to the “PRISMA” model

P. Härmälä, Heikki Vuorela, Eeva-Liisa Rahko et al. · Journal of Chromatography A · 1992 · 16 citations

Pharmacy, Chemistry, Medicinal Chemistry +13

Isolation and in vitro cultivation of lichen algae and their antimicrobial properties

P. Härmälä, R. Hiltunen, Kirsi‐Marja Oksman‐Caldentey et al. · Fitoterapia · 1992 · 10 citations

Life Sciences, Botany, Microbiology +12