Results 31 to 40 of about 1,646 (174)
Molecules, 2012 In this work, we have evaluated the molluscicidal activity of two cardenolide extracts from <em>Adenium arabicum</em> Balf f. [the benzene (B) and methanol (M) extracts], one cardenolide extract from <em>Calotropis procera</em> ...
Alaa Bayoumi +3 more
doaj +1 more source
Convergent Total Synthesis of 16β‐Hydroxylpseudobufarenogin
Angewandte Chemie, Volume 138, Issue 23, 1 June 2026.We present a novel convergent strategy that integrates Pd/Ag‐promoted Suzuki–Miyaura coupling with Ir‐catalyzed radical‐relay cyclization, enabling the first total synthesis of 16β‐hydroxylpseudobufarenogin. This approach is broadly applicable to the total synthesis of various oxygenated bufadienolides by simply modifying the fragment structures ...
Wataru Shigematsu +3 more
wiley +2 more sources
Calotropin and corotoxigenin 3-O-glucopyranoside from the desert milkweed Asclepias subulata inhibit the Na+/K+-ATPase activity [PDF]
PeerJ, 2022 Na+/K+-ATPase is an essential transmembrane enzyme found in all mammalian cells with critical functions for cell ion homeostasis. The inhibition of this enzyme by several cardiotonic steroids (CTS) has been associated with the cytotoxic effect on cancer ...
Salvador E. Meneses-Sagrero +6 more
doaj +2 more sources
Cardiac glycosides isolated from the Indian-snuff, Maquira sclerophylla Ducke
Memorias do Instituto Oswaldo Cruz, 1991 The hydroalcoholic extract of the powdered bark of the Indian-snuff Maquira sclerophylla Ducke was purified by column chromatography in silica-gel and the major cardenolide isolated from preparative TLC was identified by 1H-NMR, 1 2 C-NMR and IR analyses.
João Ernesto de Carvalho +2 more
doaj +1 more source
Cardiac Glycosides in Human Physiology and Disease: Update for Entomologists
Insects, 2019 Cardiac glycosides, cardenolides and bufadienolides, are elaborated by several plant or animal species to prevent grazing or predation. Entomologists have characterized several insect species that have evolved the ability to sequester these glycosides in
Rif S. El-Mallakh +2 more
doaj +1 more source
Cattle and bison grazing decreases monarch egg and larval abundance in the Central United States
Ecosphere, Volume 17, Issue 8, August 2026.Abstract Monarch butterflies have experienced massive population declines and have been proposed to be listed as threatened under the U.S. Endangered Species Act. Milkweeds (Asclepias spp.) are the sole host plant for monarch larvae, and milkweed abundance has dramatically declined in the past 25 years due to increased usage of herbicides and the ...
Grace Thomas +4 more
wiley +1 more source
Investigating the Antidiabetic Effects of Calotropis procera: Preclinical Assessment
Food Science &Nutrition, Volume 14, Issue 8, August 2026.Calotropis Procera In vitro/Diabetic rodent model Improved β‐cell function, reduced hepatic gluconeogenesis antioxidant activity. ABSTRACT Diabetes mellitus (DM) is a metabolic disease characterized by persistent hyperglycemia, oxidative stress, and inflammation, often leading to severe complications.
Yu‐Cheng Kuo +10 more
wiley +1 more source
Austral Entomology, Volume 65, Issue 3, August 2026.ABSTRACT The Chalcididae comprises parasitoid wasps that attack various invertebrate groups. Within the family, some Brachymeria species specialises in infecting pupae of Lepidoptera. Here, we quantitatively describe the relationship between Brachymeria pandora and the Southern Monarch butterfly, Danaus erippus, in urban areas of Cuiabá, Mato Grosso ...
Wenrique Verza, Alan Eriksson
wiley +1 more source
Two New Cyototoxic Cardenolides from the Whole Plants of Adonis multiflora Nishikawa & Koki Ito
Molecules, 2015 A phytochemical investigation of the whole plants of Adonis multiflora Nishikawa & Koki Ito. resulted in the isolation and identification of two new cardenolides—adonioside A (1) and adonioside B (6)—as well as four known cardenolides: tupichinolide (
Jae-Woo Jung +10 more
doaj +1 more source
Molecules, 2022 Pergularia tomentosa L., a milkweed tropical plant belonging to the family Asclepiadaceae, is a rich source of unusual cardiac glycosides, characterised by transfused A/B rings and a sugar moiety linked by a double link, generating a dioxanoid structure.
Stefania Martucciello +8 more
doaj +1 more source