*  Qualitative and Quantitative Determination of Pyrrolizidine Alkaloids of Wheat and Flour Contaminated with Senecio in...
Meanwhile chronic toxicity to humans by diet, including the specimens, is possible. ... Plants containing these alkaloids cause significant mammalian morbidity and mortality, especially in humans. Upon ingestion, ... The reaction is specific for alkaloids having an unsaturated basic moiety of?3- pyrroline ring. In the qualitative test, the ... These toxic alkaloids are distributed mainly in Senecio (Compositae), Crotalaria (Legominosae) and Heliotropium (Boraginaceae) ...
  http://ijpr.sbmu.ac.ir/?_action=articleInfo&article=50
*  Pyrrolizidine alkaloid - Wikipedia
"Toxicity of pyrrolizidine alkaloids to humans and ruminants". Phytochemistry Reviews. Wiedenfeld, H.; Edgar, J. "Toxicity of ... "Pyrrolizidine alkaloids in Food" (PDF). Coulombe, Roger A. Jr (2003). "Pyrrolizidine alkaloids in foods". Advances in Food and ... are a group of naturally occurring alkaloids based on the structure of pyrrolizidine. Pyrrolizidine alkaloids are produced by ... of the world's flowering plants contain pyrrolizidine alkaloids. Honey can contain pyrrolizidine alkaloids, as can grains, milk ...
  https://en.wikipedia.org/wiki/Pyrrolizidine_alkaloid
*  Toxicity and metabolism of pyrrolizidine alkaloids. - MyScienc...
Pyrrolizidine alkaloids (PA) are found mainly in plants of three families: boraginaceae, Compositae and Leg ... Toxicity and metabolism of pyrrolizidine alkaloids.. Authors * Cheeke, P R Type. Published Article. Journal. Journal of animal ... Pyrrolizidine alkaloid toxicity alters vitamin A metabolism in rats, depressing plasma and liver levels of vitamin A. Synthetic ... Pyrrolizidine alkaloids (PA) are found mainly in plants of three families: boraginaceae, Compositae and Leguminosae. In North ...
  https://www.mysciencework.com/publication/show/toxicity-metabolism-pyrrolizidine-alkaloids-06146105
*  Alimentary systems path part 1 (liver and pancreas) Quiz - By ntyndall
Acetaminophin or pyrrolizidine alkaloid toxicity would cause ______ necrosis.. Pyrrolizidine alkaloids are converted by p450 to ... The final and irreversible end-stage of toxicity, cholangitis/obstruction, congestion, metabolic disease, hepatitis and ...
  https://www.sporcle.com/games/ntyndall/alimentary-systems-path-liver-pancreas
*  Jacobaea vulgaris - Wikipedia
Wiedenfeld, H (2011). "Plants containing pyrrolizidine alkaloids: Toxicity and problems". Food Additives & Contaminants: Part A ... These are different from the pyrrolizidine alkaloids which are responsible for the toxic effects. Honey collected from ragwort ... Plume moth working to control ragwort in NZ Environmental Health Criteria 80 Pyrrolizidine Alkaloids World Health Organisation- ... Ministry of Agriculture, Fisheries and Food (1995), Surveillance for pyrrolizidine alkaloids in honey, UK Food Standards Agency ...
  https://en.wikipedia.org/wiki/Jacobaea_vulgaris
*  Ageratum conyzoides - Wikipedia
Wiedenfeld, H. (2011). "Plants containing pyrrolizidine alkaloids: toxicity and problems". Food Additives & Contaminants: Part ... Fu, P.P.; Yang, Y.C.; Xia, Q.; Chou, M.C.; Cui, Y.Y.; Lin G. (2002). "Pyrrolizidine alkaloids-tumorigenic components in Chinese ... The plant contains the pyrrolizidine alkaloids lycopsamine and echinatine. A. conyzoides is prone to becoming a rampant ... Sani, Y.; Bahri, S. (1994). "Pathological changes in liver due to the toxicity of Ageratum conyzoides". Penyakit Hewan. ...
  https://en.wikipedia.org/wiki/Ageratum_conyzoides
*  Crotalaria - Wikipedia
... and Toxicity of Pyrrolizidine Alkaloids in Crotalaria Seeds". Weed Science. 35 (4): 476-481. JSTOR 4044515. Werchan PM, Summer ... Alkaloid monocrotaline, a pyrrolizidine alkaloid, the main toxic principle of Crotalaria spectabilis, is used to induce ... The primary source of toxicity for many species of Crotalaria is the presence of pyrrolizidine alkaloids, which are poisonous ... The two kinds of pyrrolizidine alkaloids that are found in Crotalaria plants are monocrotaline and spectabiline. They can be ...
  https://en.wikipedia.org/wiki/Crotalaria
*  Ghent University Academic Bibliography
Detection and toxicity evaluation of pyrrolizidine alkaloids in medicinal plants Gynura bicolor and Gynura divaricata collected ...
  https://biblio.ugent.be/publication?q=keyword+exact+%22PERFORMANCE+LIQUID-CHROMATOGRAPHY%22
*  Enantiostasis - Wikipedia
HSC Online Yan, Chong Chao (1996). "Effects of Taurine and Guanidinoethane Sulfonate on Toxicity of the Pyrrolizidine Alkaloid ...
  https://en.wikipedia.org/wiki/Enantiostasis
*  Comfrey (Symphytum Officinale) Powder
If this herb is applied to the broken skin parts, it may toxicity of pyrrolizidine alkaloids (PA). Liver Disease - Comfrey may ... Comfrey contains hepatotoxic pyrrolizidine alkaloids (PAs). By taking more than 0.1 mg of this compounds daily for long period ... A big concern about oral consumption of comfrey is that it has large amounts of hepatotoxic pyrrolizidine alkaloid (PA) in it. ... Herbs with Hepatotoxic Pyrrolizidine Alkaloid (PA) - Theoretically, herbs that induce CYP3A4 may enhance the hepatotoxic PAs ...
  http://www.amazondiscovery.com/products/comfrey-powder/
*  Jepson Herbarium: Jepson Flora Project: Jepson eFlora: Phacelia hastata var. hastata
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ... Etymology: (Greek: cluster, from dense inflorescence) Toxicity: Dermatitis caused by contact with hairs, especially glandular, ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=63426
*  Jepson Herbarium: Jepson Flora Project: Jepson eFlora: Cryptantha dumetorum
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=21222
*  Jepson Herbarium: Jepson Flora Project: Jepson eFlora: Wigandia urens
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ... Etymology: (Bishop J. Wigand of Pomerania, 1523--1587) Toxicity: Dermatitis caused by contact with hairs (Reynolds et al. 1989 ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=48535
*  Cryptantha milobakeri
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=21265
*  Jepson Herbarium: Jepson Flora Project: Jepson eFlora: Plagiobothrys stipitatus var. micranthus
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=63906
*  Jepson Herbarium: Jepson Flora Project: Jepson eFlora: Amsinckia spectabilis var. microcarpa
Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include ...
  http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=53937
*  Hydroxydanaidal - Wikipedia
Many insects that carry pyrrolizidine alkaloids are brightly-colored to signal their toxicity. Male tiger moths convert the ... Hydroxydanaidal is an insect pheromone synthesized by some species of moth from pyrrolizidine alkaloids found in their diet. ... The caterpillars of several kinds of arctiid moth ingest pyrrolizidine alkaloids-substances which plants produce to deter ... The larva converts the alkaloid into an N-oxide for storage; on metamorphosis, the alkaloid is retained and used by the adult. ...
  https://en.wikipedia.org/wiki/Hydroxydanaidal
*  Crotalaria retusa - Wikipedia
The primary source of toxicity for many species of Crotalaria is the presence of pyrrolizidine alkaloids, which are poisonous ... and Toxicity of Pyrrolizidine Alkaloids in Crotalaria Seeds", Weed Science, 35 (4): 476-481, JSTOR 4044515 Morris, J.G.; Potter ... Pyrrolizidine alkaloids in honey are a threat to human health. The Plant List: A Working List of All Plant Species, retrieved ...
  https://en.wikipedia.org/wiki/Crotalaria_retusa
*  Heliotropium amplexicaule - Wikipedia
Heliotropium amplexicaule contains pyrrolizidine alkaloids and is poisonous. This plant competes with desirable pastures and ... causes toxicity to stock. The MERCK Veterinary Manual, Table 5. "Archived copy". Archived from the original on 2010-11-17. ...
  https://en.wikipedia.org/wiki/Heliotropium_amplexicaule
*  Petasites - Wikipedia
"The cases of liver toxicity appear to have occurred with extracts of butterbur where the pyrrolizidine alkaloids had been ... Maxim Hirono I., Mori H., Yamada K. "Carcinogenic activity of petasitenine, a new pyrrolizidine alkaloid isolated from ... Butterbur extracts may contain harmful components called pyrrolizidine alkaloids if the preparations are not carefully and ... "Plant sources of hepatotoxic pyrrolizidine alkaloids". Journal of Natural Products. 44 (2): 129-52. doi:10.1021/np50014a001. ...
  https://en.wikipedia.org/wiki/Petasites
*  Pyrrolizidine alkaloidosis - Wikipedia
Pyrrolizidine alkaloids, wrongdiagnosis.com Cheeke, P.R. Symposium on Pyrrolizidine (Senecio) Alkaloids: Toxicity, Metabolism, ... Pyrrolizidine Alkaloids. Institute for Traditional Medicine, 2007. Web. 5 November Talcott P: Pyrrolizidine Alkaloid Poisoning ... Ragwort toxicity). Merck & Co., Inc., 2008. Web. 15 November Rizk, Abdel-Fattah M., Naturally Occurring Pyrrolizidine Alkaloids ... Because sheep and goats have such a high immunity to the toxicity of the alkaloids they are commonly used to graze on the ...
  https://en.wikipedia.org/wiki/Pyrrolizidine_alkaloidosis
*  Ageratum - Wikipedia
Several species of Ageratum are toxic, containing pyrrolizidine alkaloids. Ageratum houstonianum and Ageratum conyzoides cause ... Sani, Y., Bahri, S., "Pathological changes in liver due to the toxicity of Ageratum conyzoides", Penyakit Hewan (Indonesia), ... 1994, v. 26(48) p. 64-70 [1] Fu, P.P., Yang, Y.C., Xia, Q., Chou, M.C., Cui, Y.Y., Lin G., "Pyrrolizidine alkaloids-tumorigenic ...
  https://en.wikipedia.org/wiki/Ageratum
*  A-Z Herbs - Original List - Yorkshire Herbalist
Misc.: essential oil, polysaccharides, polyacetylenes, non-toxic pyrrolizidine alkaloids.. Pharmacology: Use in treatment of ... Toxicology: Low acute toxicity confirmed and also no chronic toxicity yet found (Mills and Bone, 2000). ... Alkaloid achilleine has haemostatic action. Bitter properties due to alkaloids and sesquiterpene lactones. See Bradley, 1992. ... Recent suggestions of liver toxicity are probably based on toxicity of germander, which is occasionally sold as skullcap (Ody). ...
  http://yorkshireherbalist.co.uk/index.php/medicinal-herbs/a-z-herbs/2-herbal-medicine/24-a-z-herbs-original
*  Traditional Chinese Herbal Medicine | Regional Medical Center Bayonet Point | Hudson, FL
Coltsfoot ( Tussilago farfara ), used in Chinese cough syrups and other formulations, contains pyrrolizidine alkaloids, ... Besides toxicity caused by Chinese herbs, other problems have been caused by adulteration of herbal products with unlisted ... randomized study of Chinese herbal medicine as complementary therapy for reduction of chemotherapy-induced toxicity. Ann Oncol ...
  https://rmchealth.com/hl/?/37410/Yi-Zhu-Decoction&com.dotmarketing.htmlpage.language=1