Search Results - "Sticher, O"

New Antibacterial Metabolites from the Cyanobacterium Nostoc commune (EAWAG 122b) by JAKI, B., HEILMANN, J., STICHER, O.

“…Two new compounds, a diterpenoid and an anthraquinone, as well as an indane derivative, which is reported as a natural product for the first time, have been…”
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Studies on the antioxidative activity of phloroglucinol derivatives isolated from hypericum species by Heilmann, J, Winkelmann, K, Sticher, O

“…Twenty-one phloroglucinol derivatives, belonging to 8 different carbon skeletons, were tested for their ability to influence the oxidative burst of…”
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Two Novel Cyclic Peptides with Antifungal Activity from the Cyanobacterium Tolypothrix byssoidea (EAWAG 195) by Jaki, B, Zerbe, O, Heilmann, J, Sticher, O

“…Two novel cyclic tridecapeptides, tolybyssidins A (1) and B (2), were isolated from the culture medium of mass cultured cyanobacterium Tolypothrix byssoidea…”
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Novel extracellular diterpenoids with biological activity from the cyanobacterium Nostoc commune by Jaki, B, Orjala, J, Heilmann, J, Linden, A, Vogler, B, Sticher, O

“…Five novel extracellular metabolites with an unprecedented diterpenoid skeleton, 5-[(5-carboxy-2-hydroxy)benzyl]-11-hydroxymethyl-2,5,6,8a,…”
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Pharmacological activities of Vitex agnus-castus extracts in vitro by Meier, B., Berger, D., Hoberg, E., Sticher, O., Schaffner, W.

“…The pharmacological effects of ethanolic Vitex agnus-castus fruit-extracts (especially Ze 440) and various extract fractions of different polarities were…”
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Secondary metabolites from Stachys ionica by Meremeti, A, Karioti, A, Skaltsa, H, Heilmann, J, Sticher, O

“…Nine flavonoids, two iridoids, and one sesquiterpene were isolated from Stachys ionica. Its chemical profile appears to be completely different from other…”
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Quality of Ginkgo preparations by Sticher, O

“…A survey of known and of recently isolated constituents from Ginkgo leaves is given. The structures of flavonoids and terpene lactones which are considered to…”
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Flavonoids as chemotaxonomic markers in the polymorphic Stachys swainsonii (Lamiaceae) by Skaltsa, H., Georgakopoulos, P., Lazari, D., Karioti, A., Heilmann, J., Sticher, O., Constantinidis, Th

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New Prenylated Bi- and Tricyclic Phloroglucinol Derivatives from Hypericum papuanum by WINKELMANN, Karin, HEILMANN, Jörg, ZERBE, Oliver, RALI, Topul, STICHER, Otto

“…Five new prenylated tricyclic and three new bicyclic acylphloroglucinol derivatives have been isolated by bioactivity-guided fractionation of the petroleum…”
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Zapotec and Mixe use of tropical habitats for securing medicinal plants in Mexico by Frei, B, Sticher, O, Heinrich, M

“…Medicinal plants are essential in the medical systems of the Mixe and Zapotec. In this study ethno-ecological strategies, employed by the two neighboring…”
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Triterpene saponins from the fruits of Hedera helix by Bedir, E., Kırmızıpekmez, H., Sticher, O., Çalış, İ.

“…Six triterpene saponins, including two new compounds, were isolated from the fruits of Hedera helix L. (Araliaceae). The structures of the new compounds, named…”
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Radical scavenger activity of phenylethanoid glycosides in FMLP stimulated human polymorphonuclear leukocytes: structure-activity relationships by Heilmann, J, Calis, I, Kirmizibekmez, H, Schühly, W, Harput, S, Sticher, O

“…Radical scavenger activities of 21 phenylethanoid glycosides, including 15 ester derivatives of caffeic, ferulic, vanillic and syringic acid as well as 6…”
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Bisanthraquinone glycosides of Hypericum perforatum with binding inhibition to CRH-1 receptors by Wirz, A, Simmen, U, Heilmann, J, Çalis, I, Meier, B, Sticher, O

“…Four new bisanthraquinone glycosides, S-(+)-skyrin-6- O-β-glucopyranoside ( 1 ), R-(−)-skyrin-6- O-β-glucopyranoside ( 2 ), S-(+)-skyrin-6- O-β-xylopyranoside…”
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New Tirucallane-Type Triterpenes from Dysoxylum variabile by LIU, Hongmei, HEILMANN, Jörg, RALI, Topul, STICHER, Otto

“…Eight new tirucallane-type triterpenes, dyvariabilins A-H (1-8), three known tirucallanes, niloticin (9), dihydroniloticin (10), and tirucalla-7,24-diene-3…”
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Quantitative high performance liquid chromatographic analysis of diterpenoids in agni-casti fructus by Hoberg, E, Meier, B, Sticher, O

“…Pharmacological data have indicated that part of the dopaminergic activity of Vitex agnus-castus is attributed to the labdan diterpenoids found in the fruits…”
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Flavonoid, Iridoid, and Lignan Glycosides from Putoria calabrica by ÇALIS, Ihsan, HEILMANN, Jörg, TASDEMIR, Deniz, LINDEN, Anthony, IRELAND, Chris M., STICHER, Otto

“…From the aerial parts of Putoria calabrica, two new flavonol triglycosides were isolated and their structures were elucidated as…”
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Bioactive coumarin derivatives from the fern Cyclosorus interruptus by Quadri-Spinelli, T, Heilmann, J, Rali, T, Sticher, O

“…Three new coumarin derivatives, compounds 1-3, three new furanocoumarins, compounds 4-6, and a novel dioxocane derivative, compound 7, were isolated from the…”
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Cyclocephaloside I:  A Novel Cycloartane-Type Glycoside from Astragalus microcephalus by Bedir, Erdal, Çalis, Ihsan, Zerbe, Oliver, Sticher, Otto

“…A novel cycloartane-type glycoside, cyclocephaloside I (1) was isolated from the roots of Astragalus microcephalus in addition to known glycosides…”
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Solubility of hypericin in methanol and methanol-pyridine by Wirz, A, Meier, B, Sticher, O

“…The solubility of hypericin in methanol and methanol-pyridine (99:1, v/v) was determined. The addition of pyridine turned out to enhance the solubility of…”
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Biological activities of cyanobacteria: evaluation of extracts and pure compounds by Falch, B S, König, G M, Wright, A D, Sticher, O, Angerhofer, C K, Pezzuto, J M, Bachmann, H

“…A total of 80 lipophilic and hydrophilic extracts obtained from 20 samples of cultured freshwater and terrestrial cyanobacteria were investigated for their…”
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