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Superparamagnetic iron oxide--enhanced versus gadolinium-enhanced MR imaging for differential diagnosis of focal liver lesions.
PURPOSE To assess AMI-25- versus gadolinium-enhanced magnetic resonance (MR) imaging in the differential diagnosis of liver tumors. MATERIALS AND METHODS Twenty-nine patients with liver tumors… Expand
Lignans isolated from valerian: identification and characterization of a new olivil derivative with partial agonistic activity at A(1) adenosine receptors.
- B. Schumacher, Silke Scholle, J. Hölzl, Nasser Khudeir, S. Hess, C. Müller
- Chemistry, Medicine
- Journal of natural products
- 23 August 2002
A methanolic extract of the roots of Valeriana officinalis (valerian) was investigated for its lignan content. In addition to the lignans 8'-hydroxypinoresinol (1) and… Expand
Vasoactive properties of procyanidins from Hypericum perforatum L. in isolated porcine coronary arteries.
Procanidin fractions (PC) were isolated from Hypericum perforatum L. (Guttiferae). Characterization of the main components of each fraction was performed by UV- and mass spectroscopy. Their… Expand
Isolation I3',II8-biapigenin (amentoflavone) from Hypericum perforatum
No tolerance to peripheral morphine analgesia in presence of opioid expression in inflamed synovia.
- C. Stein, M. Pflüger, +4 authors A. Hassan
- The Journal of clinical investigation
- 1 August 1996
Pain treatment with centrally acting opiates is limited by tolerance. Tolerance is a decreasing effect of a drug with prolonged administration of that drug or of a related (e.g., endogenous) compound… Expand
Biflavonoids in Hypericum perforatum1; Part 1. Isolation of I3, II8-Biapigenin.
From the Soxhlet extract of HYPERICUM PERFORATUM, biflavonoids have been isolated by column chromatography on Sephadex LH 20 and preparative TLC. The structure of the main compound was elucidated by… Expand
A methylated chalcone glucoside from Bidens pilosa
Abstract A methylated chalcone glucoside has been isolated from the leaves of Bidens pilosa . Its structure has been elucidated by spectroscopic methods.
Growth and Essential Oil Content of Angelica archangelica as Influenced by Light Intensity and Growing Media
ABSTRACT The effects of light levels and growing media on growth and essential oil content in Angelica archangelica were investigated under greenhouse conditions. Eight months after seed sowing, the… Expand
INFLUENCE OF THE GROWING SITE ON THE QUALITY OF MENTHAPIPERITA-L.-OIL