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Genotoxicity of pyrrolizidine alkaloids [PDF]
Journal of Applied Toxicology, 2010 AbstractPyrrolizidine alkaloids (PAs) are common constituents of many plant species around the world. PA‐containing plants are probably the most common poisonous plants affecting livestock and wildlife. They can inflict harm to humans through contaminated food sources, herbal medicines and dietary supplements.
Tao, Chen, Nan, Mei, Peter P, Fu
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Alcalóides pirrolizidínicos em espécies do gênero Senecio
Química Nova, 2006 Senecio species contain a large variety of secondary metabolites and many of these plants afford pyrrolizidine alkaloids. This paper is a review of the literature, describing 62 pyrrolizidine alkaloids already isolated in 62 of more than 2000 species of ...
Chana de Medeiros da Silva +2 more
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Foods, 2023 Pyrrolizidine alkaloids are secondary metabolites produced by plants as a defense against insects. These can cause acute or chronic toxicity in humans. Therefore, avoiding potential poisoning from the consumption of tea and culinary plants contaminated ...
Zinar Pinar Gumus
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Journal of Veterinary Research, 2022 Pyrrolizidine alkaloids (PAs) and tropane alkaloids (TAs) are natural contaminants of honey and respectively hepatoxic and neurotoxic compounds. Because honey is a popular constituent of the human diet, it is relevant to warrant the safety of the product.
Kowalczyk Ewelina, Kwiatek Krzysztof
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Molecules, 2021 Seeds of Crotalaria cleomifolia (Fabaceae) are consumed in Madagascar in preparation of popular beverages. The investigation of extracts from the seeds of this species revealed the presence of high amounts of alkaloids from which two pyrrolizidine ...
Anjaramampionona Henintsoa Duvale Solofomalala +6 more
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Effects and mechanisms of natural alkaloids for prevention and treatment of osteoporosis
Frontiers in Pharmacology, 2022 Natural alkaloids are polycyclic, nitrogen-containing, and basic compounds obtained from plants. In this review, the advances in bioactive alkaloids with respect to their chemical structures, herbal sources, and effects for the prevention and treatment ...
Bingfeng Lin +6 more
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PYRROLIZIDINE ALKALOIDS OF CERINTHE GLABRA MILLER (BORAGINACEAE)
Zagazig Journal of Pharmaceutical Sciences, 2004 The pyrrolizidine alkaloids of Cerinthe glabra Miller (total yield 0.3 mg/g dry weight) was investigated by capillary GLC and GLC-MS in combination with retention indices.
Assem El-Shazly
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Simultaneous determination of 7 pyrrolizidine alkaloids and their nitrogen oxides in herbal tea by SPE-UPLC-MS/MS [PDF]
Zhongguo niangzaoA analysis method for simultaneous determination of 7 pyrrolizidine alkaloids and their nitrogen oxides (monocrotaline, monocrotaline N- oxide, lycopsamine, lycopsamine-N-oxide, heliosinine, heliosinine-N-oxide, senecionine) in herbal tea was established
WU Zhongling, HE Zhongqiang, HUANG Zhining, SU Ruifen, CHEN Liting, ZHONG Junwei
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Diet and chemical defence in ladybird beetles (Coleoptera: Coccinellidae)
European Journal of Entomology, 2022 In this paper, I review the effects of the diet of ladybirds on chemical defence in this group of beetles. The tendency to reflex bleed and the diversity of autogenously produced alkaloids in different taxa may be evolutionarily related to diet and the ...
John J. SLOGGETT
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Tolerating Toxins: Grasshoppers that Feast on Pyrrolizidine Alkaloids §
CHIMIA, 2018 The elegant grasshopper (Zonocerus elegans) and the variegated grasshopper (Z. variegatus) are among insects that deliberately consume and store pyrrolizidine alkaloids which are subsequently used in defence mechanisms.
Catherine E. Housecroft
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