Results 111 to 120 of about 172,060 (247)

Pyrrolizidine Alkaloids: the underestimated natural toxicants

open access: yesRevSALUS, 2022
Ana, Cláudia Ribeiro, Sandra Leal
doaj   +1 more source

Assessing Mutagenicity of Methanolic Exteract of Borage Flower (Echium amuenum) Using Ames Bioassay

open access: yesIranian South Medical Journal, 2014
Background: pyrrolizidine alkaloids have been isolated from Echium amuenum. These alkaloids knowing as hepatotoxic, damage the liver. Mutagenicity of pure pyrrolizidine alkaloids has been identified.
Meysam Moosavi   +4 more
doaj  

Species-specific effects of polyploidisation and plant traits of Centaurea maculosa and Senecio inaequidens on rhizosphere microorganisms [PDF]

open access: yes, 2018
Invasive plant species represent a threat to terrestrial ecosystems, but their effects on the soil biota and the mechanisms involved are not yet well understood. Many invasive species have undergone polyploidisation, leading to the coexistence of various
Buttler, Alexandre   +3 more
core  

Recovery from radiation and chemically induced premutational damage [PDF]

open access: yes, 1962
The question of recovery from radiation and chemically induced premutational damage is discussed in relation to the nature of the primary genetic damage at the molecular level, and also in relation to factors which influence the recovery ...
Brink, NG
core   +1 more source

Pyrrolizidine Alkaloids from Monofloral and Multifloral Italian Honey. [PDF]

open access: yesInt J Environ Res Public Health, 2023
Roncada P   +5 more
europepmc   +1 more source

Pyrrolizidine alkaloids and health risk of three Boraginaceae used in TCM. [PDF]

open access: yesFront Pharmacol, 2023
Zan K   +7 more
europepmc   +1 more source

An ab Initio Investigation of the Stabilization of Selected β-substituted Ethyl Cations and α-substituted Methyl Cations [PDF]

open access: yes, 1988
In this study, we calculate the stabilization of β-substituted ethyl cations (R = H, Li, BeH, BH_2, CH_3, NH_2, OH, F, Na, MgH, AlH_2, SiH_3, PH_2, SH, Cl) and α-substituted methyl cations (R = H, Li, CH_3, NH_2, OH, F, Na, SiH_3, PH_2, SH, Cl) in order ...
Cave, Robert J.   +2 more
core   +2 more sources

Prognostic risk factors for patients with hepatic sinusoidal obstruction syndrome caused by pyrrolizidine alkaloids. [PDF]

open access: yesMedicine (Baltimore), 2023
Du X   +10 more
europepmc   +1 more source

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