Results 41 to 50 of about 1,611 (171)

13C-NMR Data of Diterpenes Isolated from Aristolochia Species

Molecules, 2009
The genus Aristolochia,an important source of physiologically active compounds that belong to different chemical classes, is the subject of research in numerous pharmacological and chemical studies.
Antônio Flávio de Carvalho Alcântara, Patrícia Machado de Oliveira, Dorila Piló-Veloso, Alison Geraldo Pacheco   +3 more
doaj   +1 more source

Methoxylated Flavonols and ent-Kaurane Diterpenes from the South African Helichrysum rutilans and Their Cosmetic Potential

Plants, 2023
Chromatographic fractionation of a methanol extract of Helichrysum rutilans afforded seven known compounds. The isolated compounds were identified as 5,7,8-trihydroxy-3,6-dimethoxyflavone-8-O-2-methyl-2-butanoate (C-1), 5,7-dihydroxy-3,6,8 ...
Olugbenga K. Popoola, Jeanine L. Marnewick, Emmanuel I. Iwuoha, Ahmed A. Hussein   +3 more
doaj   +1 more source

Electrospray ionization tandem mass spectrometry analysis of isopimarane diterpenes from Velloziaceae [PDF]

, 2016
RATIONALE: The study of natural products by electrospray ionization tandem mass spectrometry (ESI-MS/MS) is an important strategy for the characterization of the major fragmentation reactions which can then help to determine the composition of complex ...
Abdelhameed, Becke, Bouchoux, Bouchoux, Branco, Broecker, Cascante, Clarkson, Cole, Crotti, Crotti, Crotti, Ernst, Frisch, Hong, Lee, Lüttge, Patitucci, Pinto, Pinto, Pinto, Pinto, Pinto, Rezvukhin, Rosa, Sartori, Silva, Silva, Stortz, Vessecchi, Vessecchi, Vessecchi, Warscheid, Xu, Zhou, Zhou   +35 more
core   +2 more sources

Bioactive Diterpenes from the Brazilian Native Plant (Moquiniastrum pulchrum) and Their Application in Weed Control [PDF]

, 2021
Even today, weeds continue to be a considerable problem for agriculture. The application of synthetic herbicides produces serious environmental consequences, and crops suffer loss of their activity due to the appearance of new resistant weed biotypes ...
Anese, Simoni, González Molinillo, José María, Macías Domínguez, Francisco Antonio, Torres Martínez, Ascensión, Varela Montoya, Rosa María, Vela Benavides, Fátima   +5 more
core   +1 more source

Antimicrobial Activity of Kaurane Diterpenes against Oral Pathogens

Zeitschrift für Naturforschung C, 2008
Two kaurane diterpenes, ent-kaur-16(17)-en-19-oic acid (KA) and 15-β-isovaleryloxy-entkaur- 16(17)-en-19-oic acid (KA-Ival), isolated from Aspilia foliacea, and the methyl ester derivative of KA (KA-Me) were evaluated against oral pathogens.
Sergio R, Ambrosio, Niege A J C, Furtado, Dionéia C R, de Oliveira, Fernando B, da Costa, Carlos H G, Martins, Tatiane C, de Carvalho, Thiago S, Porto, Rodrigo C S, Veneziani   +7 more
openaire   +2 more sources

Two new ent-kaurane-type diterpene diastereomers isolated from Coffea canephora

Natural Product Research, 2021
أسفر الفحص الكيميائي النباتي لجذوع كوفي كانيفورا عن اثنين من قواطع دايتيربين إنتكوران الجديدة، والتي أطلق عليها اسم كوفيكانيفوليد أ، إنت-3 β، 16 β، 17 -ثلاثي هيدروكسي كوران-18 -أل (1) وكوفيكانيفوليد ب، إنت-3 β، 16 β، 17 -ثلاثي هيدروكسي كوران-19 -أل (2).
Thi Anh Tuyet Nguyen, Minh Hao Hoang, Thi Tuyen Luc, Thi Kim Ngan Dang, Thi My Tang Nguyen, Thi Nga Vo   +5 more
openaire   +2 more sources

Anti-Neuroinflammatory ent-Kaurane Diterpenoids from Pteris multifida Roots

Molecules, 2016
Activated microglia are known to be a major source of cellular neuroinflammation which causes various neurodegenerative diseases, including Alzheimer’s disease.
Jung Wha Kim, Ji Yeon Seo, Won Keun Oh, Sang Hyun Sung   +3 more
doaj   +1 more source

Broussonetia papyrifera Root Bark Extract Exhibits Anti-inflammatory Effects on Adipose Tissue and Improves Insulin Sensitivity Potentially Via AMPK Activation [PDF]

, 2020
The chronic low-grade inflammation in adipose tissue plays a causal role in obesity-induced insulin resistance and its associated pathophysiological consequences. In this study, we investigated the effects of extracts of Broussonetia papyrifera root bark
Choi, Jang Hyun, Choi, Sun Sil, Jang, Hyunduk, Khim, Keon Woo, Lee, Jae Min, Lee, Yo Han, Oh, Sei Ryang, Park, Jiyoung, Park, Mi Hyeon, Ryu, Hyung Won   +9 more
core   +1 more source

Kaurane diterpenes protect against apoptosis and inhibition of phagocytosis in activated macrophages [PDF]

British Journal of Pharmacology, 2007
Background and purpose:The kaurane diterpenes foliol and linearol are inhibitors of the activation of nuclear factor κB, a transcription factor involved in the inflammatory response. Effects of these diterpenes on apoptosis and phagocytosis have been analysed in cultured peritoneal macrophages and in the mouse macrophage cell line, RAW 264.7 ...
B, de las Heras, S, Hortelano, N, Girón, P, Bermejo, B, Rodríguez, L, Boscá   +5 more
openaire   +5 more sources

Chemistry and Biological Activities of Terpenoids from Copaiba (Copaifera spp.) Oleoresins

Molecules, 2012
Copaiba oleoresins are exuded from the trunks of trees of the Copaifera species (Leguminosae-Caesalpinoideae). This oleoresin is a solution of diterpenoids, especially, mono- and di-acids, solubilized by sesquiterpene hydrocarbons. The sesquiterpenes and
Jamilly Kelly Oliveira Neves, José Alexsandro da Silva, Paula Cristina Souza Barbosa, Fabiano de Sousa Vargas, Lidiam Maia Leandro, Valdir Florêncio da Veiga-Junior   +5 more
doaj   +1 more source