Results 31 to 40 of about 4,998 (213)

Ipvelutine, 7β-acetoxy-2α-(tigloyloxy)tropane, an unusual tropane alkaloid from Ipomoea velutina R. BR. (Convolvulaceae) [PDF]

open access: yes, 2013
Convolvulaceae provide a rich source of tropane alkaloids, however, 2-substi-tuted tropanes have been described for only few species of this taxon.
Eich, Eckart   +5 more
core   +1 more source

Natural selection drives chemical resistance of Datura stramonium [PDF]

open access: yesPeerJ, 2016
Plant resistance to herbivores involves physical and chemical plant traits that prevent or diminish damage by herbivores, and hence may promote coevolutionary arm-races between interacting species.
Adán Miranda-Pérez   +9 more
doaj   +2 more sources

Evaluation of Thermal Degradation of Tropane and Opium Alkaloids in Gluten-Free Corn Breadsticks Samples Contaminated with Stramonium Seeds and Baked with Poppy Seeds under Different Conditions

open access: yesFoods, 2022
In this work, the thermal degradation of tropane and opium alkaloids was studied in samples of breadsticks prepared with corn flour, contaminated with seeds of Datura stramonium, and containing seeds of Papaver somniferum L.
Fernando L. Vera-Baquero   +2 more
doaj   +1 more source

Report on the 2016 Proficiency Test of the European Union Reference Laboratory for Mycotoxins for the Network of National Reference Laboratories: Determination of tropane alkaloids in cereal products for infants and young children [PDF]

open access: yes, 2017
Tropane alkaloids (TAs) are plant toxins that occur mainly in Datura, Atropa and Hyoscyamus sp, belonging to the Solanaceae family, besides a variety of other families such as Erythroxylaceae, Brassicaceae, Proteaceae, Euphorbiaceae, Rhizophoraceae ...
BRATINOVA STEFANKA   +5 more
core   +1 more source

Tropane and Granatane Alkaloid Biosynthesis: A Systematic Analysis

open access: yesMolecules, 2016
The tropane and granatane alkaloids belong to the larger pyrroline and piperidine classes of plant alkaloids, respectively. Their core structures share common moieties and their scattered distribution among angiosperms suggest that their biosynthesis may
Neill Kim   +4 more
doaj   +1 more source

Advances in chemistry and bioactivity of the genus Erythroxylum

open access: yesNatural Products and Bioprospecting, 2022
Erythroxylum P. Browne is the largest and most representative genus of Erythroxylaceae family. It contains approximately 230 species that are mainly distributed in tropical and subtropical regions. Some species in this genus, such as E.
Yulian Lv   +4 more
doaj   +1 more source

Alkaloids Induce Programmed Cell Death in Bloodstream Forms of Trypanosomes (Trypanosoma b. brucei)

open access: yesMolecules, 2008
The potential induction of a programmed cell death (PCD) in Trypanosoma b. brucei by 55 alkaloids of the quinoline, quinolizidine, isoquinoline, indole, terpene, tropane, steroid, and piperidine type was studied by measuring DNA fragmentation and changes
Michael Wink, Vera Rosenkranz
doaj   +1 more source

Enhancing Tropane Alkaloid Production Based on the Functional Identification of Tropine-Forming Reductase in Scopolia lurida, a Tibetan Medicinal Plant

open access: yesFrontiers in Plant Science, 2017
Scopolia lurida, a native herbal plant species in Tibet, is one of the most effective producers of tropane alkaloids. However, the tropane alkaloid biosynthesis in this plant species of interest has yet to be studied at the molecular, biochemical, and ...
Kaihui Zhao   +13 more
doaj   +1 more source

Exploiting members of the BAHD acyltransferase family to synthesize multiple hydroxycinnamate and benzoate conjugates in yeast [PDF]

open access: yes, 2013
BACKGROUND: BAHD acyltransferases, named after the first four biochemically characterized enzymes of the group, are plant-specific enzymes that catalyze the transfer of coenzyme A-activated donors onto various acceptor molecules. They are responsible for
A Del Olmo   +88 more
core   +2 more sources

Efeito do Potato virus X no conteúdo de fenóis totais e alcalóides em folhas de Datura stramonium [PDF]

open access: yes, 2008
The present paper reports results of the effect of Potato virus X (PVX) on the contents of total phenols and alkaloids in leaves of Datura stramonium. A significant decrease in the contents of phenols and alkaloids was observed in leaves inoculated with ...
BARRADAS, Maria Mércia   +4 more
core   +2 more sources

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