Results 41 to 50 of about 1,640 (189)

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

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

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

Antiproliferative Activity Of Flavonoids From Croton Sphaerogynus Baill. (euphorbiaceae). [PDF]

, 2015
Croton sphaerogynus is a shrub from the Atlantic Rain Forest in southeastern Brazil. A lyophilized crude EtOH extract from leaves of C. sphaerogynus, obtained by maceration at room temperature (seven days), was suspended in methanol and partitioned with ...
de Carvalho, João E, dos Santos, Kátia Pereira, Ferreira, Marcelo J Pena, Furlan, Cláudia M, Lago, João Henrique G, Motta, Lucimar B, Ruiz, Ana Lúcia T G, Salatino, Antonio, Salatino, Maria L F, Santos, Deborah Y A C   +9 more
core   +9 more sources

Green Biosynthesis of Silver Nanoparticles Using Annona glabra and Annona squamosa Extracts with Antimicrobial, Anticancer, Apoptosis Potentials, Assisted by In Silico Modeling, and Metabolic Profiling

Pharmaceuticals, 2022
Annona glabra L. (AngTE) and Annona squamosa L. (AnsTE) fruits have been widely used in cancer treatment. Accordingly, their extracts were used to synthesize silver nanoparticles via a biogenic route (Ang-AgNPs) and (Ans-AgNPs), respectively.
Fatma A. Mokhtar, Nabil M. Selim, Seham S. Elhawary, Soha R. Abd El Hadi, Mona H. Hetta, Marzough A. Albalawi, Ali A. Shati, Mohammad Y. Alfaifi, Serag Eldin I. Elbehairi, Lamiaa I. Fahmy, Rana M. Ibrahim   +10 more
doaj   +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

Kaurane-Type Diterpenes from Fern Frond Exudates

Zeitschrift für Naturforschung C, 1989
Abstract The viscid exudate found on fronds of the fern, Cheilanthes kaulfussii, consists of terpenoids in which flavonoid aglycones are dissolved. One of the terpenes is shown to be em-kaur-16-en-19-oic acid. The farinose frond exudate of Notholaena pallens contains this acid as the major constituent and its 3 R-hydroxy derivative ...
Peter Rüedi, Eckhard Wollenweber, Dieter Marx, Cornelia Scheele   +3 more
openaire   +1 more source

Ethnobotanical, Phytochemical, and Pharmacological Properties of the Subfamily Nepetoideae (Lamiaceae) in Inflammatory Diseases

Plants, 2023
Nepetoideae is the most diverse subfamily of Lamiaceae, and some species are well known for their culinary and medicinal uses. In recent years, there has been growing interest in the therapeutic properties of the species of this group regarding ...
Nancy Ortiz-Mendoza, Martha Juana Martínez-Gordillo, Emmanuel Martínez-Ambriz, Francisco Alberto Basurto-Peña, María Eva González-Trujano, Eva Aguirre-Hernández   +5 more
doaj   +1 more source

A new ent-kaurane diterpene from Euphorbia stracheyi Boiss [PDF]

Natural Product Research, 2016
The chemical investigation of whole plants Euphorbia stracheyi Boiss from China led to the isolation of one new ent-kaurane diterpene, ent-Kaurane-16β,17,19-triol-3-one (1), along with three known ent-kaurane diterpenoids (2–4) as ent-Kaurane-3α,16β,17-triol (2)，ent-16S,17-dihydroxy-kaurane-3-one (3) and ent-3S,16S,17-trihydroxy-kaurane-2-one (4 ...
Tie, Liu, Qian, Liang, Na-Na, Xiong, Lin-Feng, Dai, Jun-Ming, Wang, Xiao-Hui, Ji, Wen-Hui, Xu   +6 more
openaire   +2 more sources

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