Results 141 to 150 of about 364 (164)

Acylated anthocyanins from the flowers of Ipomoea asarifolia [PDF]

Phytochemistry, 1998
Abstract Among several anthocyanins detected in the flowers of Ipomoea asarifolia, two acylated anthocyanins were isolated and studied using chemical, GC, mass spectrometric and extensive NMR methods (TOCSY-1D, DQF-COSY and HMBC measurements). The first anthccyanin was identified as cyanidin 3-O-[2-O-(6-O-(E- caffeoyl )-β- d -glucopyranosyl )-
Palé, Eloi, Nacro, Mouhoussine, Vanhaelen, Maurice, Vanhaelen Fastré, Renée, Ottinger, Robert   +4 more
openaire   +2 more sources

Two triacylated and tetraglucosylated anthocyanins from Ipomoea asarifolia flowers

Phytochemistry, 2003
Two triacylated and tetraglucosylated anthocyanins derived from cyanidin were isolated from the flowers of Ipomoea asarifolia and their structures elucidated using chemical, GC, MS and NMR methods (1H and 13C, TOCSY-1D, DQF-COSY, DIFFNOE and HMBC). These complex pigments were found to consist of cyanidin 3-O-[2-O-(6-O-E-caffeoyl-beta-D-glucopyranosyl)]-
Palé, Eloi, Kouda-Bonafos, Marie, Nacro, Mouhoussine, Vanhaelen, Maurice, Vanhaelen Fastré, Renée   +4 more
openaire   +4 more sources

Livestock Preference for Endophyte-Infected or Endophyte-Free Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia

, 2020
Fungal endophyte-infected forages have been shown to alter herbivore feeding preferences. The objective of this experiment was to compare the preference of cattle, sheep, and goats for plants containing (E+) and not containing (E-) fungal endophytes using freshly harvested Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia.
Pfister, James, Cook, Daniel, Lee, Stephen T., Gardner, Dale R, Riet-Correa, Franklin   +4 more
openaire   +4 more sources

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Elimination of ergoline alkaloids following treatment of Ipomoea asarifolia (Convolvulaceae) with fungicides

Planta, 2004
Ergoline alkaloids are constituents of Clavicipitaceous fungi living on Poaceae plants. Ergoline alkaloids as well as volatile oil are also present in Ipomoea asarifolia Roem. & Schult (Convolvulaceae). Treatment of this plant with two fungicides (Folicur, Pronto Plus) eliminates the ergoline alkaloids but not the volatile oil.
Yasser Hussein, Ullrich Keller, Ulrike Steiner   +2 more
exaly   +3 more sources

Phytochemical and Antibacterial Properties of Leaf Extracts of Ipomoea asarifolia

Nigerian Journal of Basic and Applied Sciences, 2012
The antibacterial potency of aqueous and methanol extracts of Ipomoea asarifolia leaves; a plant widely used by traditional medical practitioners in Nigeria was determined in vitro against three bacterial pathogens (Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa) by agar well diffusion method.
Aliyu, MS, Lawal, U, Tijjani, MB, Doko, MHI, Garba, I, Kokya, HA, Ado, SA, Hanwa, UA, Ibrahim, MM   +8 more
openaire   +4 more sources

Assessment of endophyte-derived tremorgenic compounds in Ipomoea asarifolia using mouse models

Toxicon, 2018
Ipomoea asarifolia has been associated with a tremorgenic syndrome in livestock. Recently indole diterpene compounds were identified in I. asarifolia, some of which have been shown to cause a tremorgenic syndrome. In this study, the tremorgenic nature of I. asarifolia was assessed using a mouse model.
Kevin D Welch, J A Pfister, James A Pfister   +2 more
exaly   +3 more sources

Tremorgenic Indole Diterpenes from Ipomoea asarifolia and Ipomoea muelleri and the Identification of 6,7-Dehydro-11-hydroxy-12,13-epoxyterpendole A

Journal of Natural Products, 2018
Indole diterpene alkaloids have been isolated from Ipomoea asarifolia and I. muelleri and are associated with a tremorgenic syndrome in livestock. To better characterize the tremorgenic activity of the major indole diterpene alkaloids in these two plants, terpendole K (1), 6,7-dehydroterpendole A (2), 11-hydroxy-12,13-epoxyterpendole K (3), terpendole ...
Dale R. Gardner, Kevin D. Welch, Stephen T. Lee, Daniel Cook, Franklin Riet-Correa   +4 more
openaire   +3 more sources

Tremorgenic syndrome in goats caused by Ipomoea asarifolia in Northeastern Brazil

Toxicon, 2003
Green leaves of Ipomoea asarifolia were dosed to 10 goats. Nine goats ingesting 5-37 g/kg bw daily had clinical signs in 4-38 days. One goat ingesting 2.5 g/kg bw daily during 125 days and two control goats had no clinical signs. Clinical signs were characteristic for a tremorgenic syndrome.
R M T, Medeiros, R C, Barbosa, F, Riet-Correa, E F, Lima, I M, Tabosa, S S, de Barros, D R, Gardner, R J, Molyneux   +7 more
openaire   +2 more sources

Identification of Indole Diterpenes in Ipomoea asarifolia and Ipomoea muelleri, Plants Tremorgenic to Livestock

Journal of Agricultural and Food Chemistry, 2017
Ipomoea asarifolia has been associated with a tremorgenic syndrome in livestock in Brazil and was recently reported to contain tremorgenic indole diterpenes. Ipomoea muelleri has been reported to cause a similar tremorgenic syndrome in livestock in Australia. Ipomoea asarifolia and I. muelleri were investigated by high-performance liquid chromatography-
Stephen T. Lee, Dale R. Gardner, Daniel Cook   +2 more
openaire   +2 more sources

Ipomoea asarifolia neutralizes inflammation induced by Tityus serrulatus scorpion venom

Journal of Ethnopharmacology, 2014
Envenoming caused by scorpion sting is a serious public health problem. In Brazil, 13,038 accidents caused by venomous animals have been reported. Of this total, 53% of the cases and 14 deaths were caused by scorpions. Furthermore, Tityus serrulatus (Buthidae) is the most dangerous scorpion due to the high toxicity of its venom.
Maira Conceição Jerônimo de Souza, Lima, Mariana Angélica Oliveira, Bitencourt, Allanny Alves, Furtado, Hugo Alexandre, Oliveira Rocha, Ruth Medeiros, Oliveira, Arnóbio Antônio, da Silva-Júnior, Eryvaldo Sócrates, Tabosa do Egito, Denise Vilarinho, Tambourgi, Silvana Maria, Zucolotto, Matheus de Freitas, Fernandes-Pedrosa   +9 more
openaire   +2 more sources