echimidine, 520-68-3

Articles:

PubMed:	Toxic pyrrolizidine alkaloids provide a warning sign to overuse of the ethnomedicine Arnebia benthamii.
PubMed:	Development and validation of a QuEChERS method coupled to liquid chromatography and high resolution mass spectrometry to determine pyrrolizidine and tropane alkaloids in honey.
PubMed:	A 28-day oral toxicity study of echimidine and lasiocarpine in Wistar rats.
PubMed:	Acetylcholinesterase inhibitory activity of pyrrolizidine alkaloids from Echium confusum Coincy.
PubMed:	Pyrrolizidine Alkaloids from Echium vulgare in Honey Originate Primarily from Floral Nectar.
PubMed:	Metabolic Profiling of Pyrrolizidine Alkaloids in Foliage of Two Echium spp. Invaders in Australia--A Case of Novel Weapons?
PubMed:	Quantification of pyrrolizidine alkaloids in North American plants and honey by LC-MS: single laboratory validation.
PubMed:	Pyrrolizidine alkaloids in food and feed on the Belgian market.
PubMed:	Disturbance of gene expression in primary human hepatocytes by hepatotoxic pyrrolizidine alkaloids: A whole genome transcriptome analysis.
PubMed:	Development of a fast isocratic LC-MS/MS method for the high-throughput analysis of pyrrolizidine alkaloids in Australian honey.
PubMed:	Structure-activity relationship in the passage of different pyrrolizidine alkaloids through the gastrointestinal barrier: ABCB1 excretes heliotrine and echimidine.
PubMed:	Pyrrolizidine alkaloids: their occurrence in Spanish honey collected from purple viper's bugloss (Echium spp.).
PubMed:	Dehydropyrrolizidine alkaloids in two Cryptantha species: including two new open chain diesters one of which is amphoteric.
PubMed:	Comparison of metabolism-mediated effects of pyrrolizidine alkaloids in a HepG2/C3A cell-S9 co-incubation system and quantification of their glutathione conjugates.
PubMed:	Metabolism, genotoxicity, and carcinogenicity of comfrey.
PubMed:	Pyrrolizidine alkaloids in honey: comparison of analytical methods.
PubMed:	Determination of pyrrolizidine alkaloids in comfrey by liquid chromatography-electrospray ionization mass spectrometry.
PubMed:	Metabolic activation of herbal and dietary constituents and its clinical and toxicological implications: an update.
PubMed:	Pyrrolizidine alkaloids of Echium vulgare honey found in pure pollen.
PubMed:	On-line structure characterization of pyrrolizidine alkaloids in Onosma stellulatum and Emilia coccinea by liquid chromatography-ion-trap mass spectrometry.
PubMed:	Analysis of herbal teas made from the leaves of comfrey (Symphytum officinale): reduction of N-oxides results in order of magnitude increases in the measurable concentration of pyrrolizidine alkaloids.
PubMed:	Isolation of symlandine from the roots of common comfrey (Symphytum officinale) using countercurrent chromatography.
PubMed:	Toxicity of dietary Heliotropium dolosum seed to mice.
PubMed:	Pyrrolizidine alkaloids from Echium rauwolfii and Echium horridum (Boraginaceae).
PubMed:	[II1: TLC and HPLC-Analysis of Pyrrolizidine-N-oxid Alkaloids of Symphyti Radix].