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Variation of the alkaloid content of Peumus boldus (boldo)
(Elsevier, 2018-06)
Eighteen alkaloids were detected in the bark, leaves, wood and roots of Peumus boldus, including traces of secoboldine, N-methylsecoboldine (boldine methine), glaucine and norreticuline, not reported previously as constituents ...
Phytochemical profile of coryphantha macromeris (engelm.) Britton & Rose (cactaceae) obtained from in vitro culture
(Universidad Autónoma Metropolitana de Iztapalapa, 2020)
In the last years, the demand for natural products has increased. Different cacti species has demonstrated to be a source for the biosynthesis of secondary metabolites, as is the case of Coryphantha macromeris (Engelm.) ...
Insecticide and acaricide activities of polyhalogenated monoterpenes from chilean Plocamium cartilagineum
(1991)
Four new alicyclic monoterpenes based on the 1-(2-chlorovinyl)-2,4,5-trichloro-1,5-dimethylcyclohexane skeleton were isolated from Plocamium cartilagineum from the Chilean coast, together with four known cyclic monoterpenes. ...
Tropane alkaloids from Schizanthus grahamii
(1987)
Three new tropanol dimers of mesaconic and itaconic acids and 3α-senecioyloxytropane, together with other known alkaloids, were isolated from Schizanthus grahamii. The structures of the new compounds were established by ...
Biosynthesis of sesquiterpene alcohols and aldehydes by cell free extracts from orange flavedo
(1973)
Water soluble enzymes obtained from orange flavedo form two isomeric farnesols from 1-3H labeled geranylpyrophosphate plus isopentenylpyrophosphate. © 1973.
Identification of an apyrase activating protein and of calmodulin in Solanum tuberosum
(1987)
Three types of effector proteins have been isolated from a partially purified protein preparation of potato tuber. One of the proteins is a typical calmodulin which has no effect on apyrase. The two other proteins modulate ...
Neo-clerodane diterpenoids and other constituents from Baccharis species
(1987)
A new neo-clerodane dilactone, desoxyarticulin, and dihydrotucumanoic acid, together with other known compounds, were isolated from Baccharis pedicellata and Baccharis marginalis. The structures of the new compounds were ...
Diterpenes from Nardophyllum lanatum
(1990)
The aerial parts of Nardophyllum lanatum, collected in northern Chile, gave in addition to a seco-diterpene isolated from an Argentinian collection two new cis-clerodanes and an acid derived from geranyl geraniol. The ...