Results 261 to 270 of about 46,021 (301)

<i>Perovskia atriplicifolia</i> Benth (Russian Sage), a Source of Diterpenes Exerting Antioxidant Activity in Caco-2 Cells. [PDF]

Plants (Basel)
Samani MR, Cerulli A, Serreli G, Melis MP, Deiana M, Masullo M, Piacente S.   +6 more
europepmc   +1 more source

Bioactive Potential of Terpenes from Mediterranean Scrub Plants: A Review. [PDF]

Molecules
Montero-Fernández I, Lobón NC, Gómez LN, Blanco-Salas J, Gallego JCA.   +4 more
europepmc   +1 more source

Monophthalates of betulinic acid and related pentacyclic triterpenes inhibit efficiently the SOS-mediated nucleotide exchange and impact PI3K/AKT signaling in oncogenic K-RAS4B proteins. [PDF]

RSC Adv
Benary GE, Kilgenstein F, Koller S, Scherkenbeck J.   +3 more
europepmc   +1 more source

Lupeol as a Potential Inhibitor of NorA Efflux Pumps in Staphylococcus aureus: In Silico and In Vitro Evidence. [PDF]

ChemistryOpen
Araújo NJS, Silva CAP, Bezerra VL, Oliveira-Tintino CDM, Alencar GG, Costa MDS, Silva ARPD, Santos JSD, Camara KC, Facundo HDF, Ferreira LP, Coutinho HDM, Barbosa Filho JM, Domiciano CB, Araújo-Neto JB, Andrade-Pinheiro JC.   +15 more
europepmc   +1 more source

Multi-Omics and Functional Insights into Triterpenoid Biosynthesis Pathways in <i>Neopicrorhiza scrophulariiflora</i> (Pennell) D.Y.Hong. [PDF]

Plants (Basel)
Zhou P, Wang J, Li C, Li L, Duan L, Wang W, Liu X, Arshad KT, Liang Y, Zhao Y.   +9 more
europepmc   +1 more source

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Triterpenes and a triterpene glucoside from Dysoxylum cumingianum

Phytochemistry, 2011
Six triterpenes and a triterpene glucoside were isolated from the MeOH extract of the leaves of Dysoxylum cumingianum together with three known triterpenes. Their structures were elucidated by extensive spectroscopic analyses. In cytotoxicity assays against three human cancer cell lines, including a multi-drug resistant cancer cell line (KB-C2 ...
Shin-ichiro, Kurimoto, Yoshiki, Kashiwada, Kuo-Hsiung, Lee, Yoshihisa, Takaishi   +3 more
openaire   +2 more sources

Triterpenes and triterpene glycosides from Paradrymonia macrophylla

Phytochemistry, 1996
Abstract Seven pentacyclic triterpenes and triterpene glycosides have been isolated from the stems and roots of Paradrymonia macrophylla and their structures elucidated by means of 1H and 13C NMR spectroscopy. Three of them are described for the first time as natural products, namely: 2α,3β,19α-trihydroxy-24-oxo-urs-12-en-28-oic acid (24-epi ...
Christian Terreaux, Marc P. Maillard, Mahabir P. Gupta, Kurt Hostettmann   +3 more
openaire   +1 more source

Triterpenes fromMucuna birdwoodiana

Phytochemistry, 1991
Methanolic extracts of the stalks of Mucuna birdwoodiana on acid hydrolysis and subsequent methylation with diazomethane provided four triterpene sapogenols. On the other hand, investigation of glycosides after methylation of the same extract led to the isolation of four triterpene glycosides.
Y, Ding, J, Kinjo, C R, Yang, T, Nohara
openaire   +2 more sources

Triterpene und Triterpen-Saponine

1955
Triterpene sind Naturstoffe mit 30 C-Atomen. Der Aufbau ihres Molekuls folgt der „Isoprenregel“, d. h. das Kohlenstoffskelet last sich in 6-Isoprenreste zerlegen (s. die Formeln I, III, IV, V). Die Mannigfaltigkeit der Korperklasse wird durch die Abanderungen des Kohlenstoffskelets, durch Zahl und Stellung der Doppelbindungen und der ...
M. Steiner, H. Holtzem
openaire   +1 more source

Triterpenes (C30)

2014
Triterpenoids belong to a large and structurally diverse class of natural products which occur abundantly in plant kingdom, especially in higher plants in cases of pentacyclic and tetracyclic triterpenes, while mono-, bi-, and tricyclic triterpenes are prevalent in ferns and nonflowering lower plants (cryptogams).
Sunil Kumar Talapatra, Bani Talapatra
openaire   +1 more source