Ammonization of the R- and S-Epimers of Ergot Alkaloids to Assess Detoxification Potential
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Agricultural and Food Chemistry"
DOI: 10.1021/acs.jafc.2c01583
Abstract: Detoxification of ergot-contaminated feed by ammonia would be a practical application, given that ammonia is routinely used in the agriculture industry. To assess the effects of ammonia on ergot alkaloids, natural ergot-contaminated wheat was ammoniated.… read more here.
Keywords: detoxification potential; detoxification; epimers ergot; ergot alkaloids ... See more keywords
Biomimetic Total Syntheses of Ergot Alkaloids via Decarboxylative Giese Coupling.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c03867
Abstract: Biomimetic total syntheses of Festuclavine and Pyroclavine were achieved by a sequential radical coupling. The key steps include intramolecular decarboxylative Giese reaction to form the central C ring and 4-nitrobenzenesulfonyl (Ns)-directed indole C4-H olefination to… read more here.
Keywords: total syntheses; biomimetic total; alkaloids via; decarboxylative giese ... See more keywords
A Short Synthesis of Ergot Alkaloids and Evaluation of the 5-HT1/2 Receptor Selectivity of Lysergols and Isolysergols.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c02569
Abstract: Key transformations in a four-step synthesis of the ergot alkaloid scaffold include a novel cesium carbonate-mediated hydrogen autotransfer alkylation to generate the C(3)-C(4) bond and an intramolecular Heck reaction that directly establishes the C(9)-C(10) alkene… read more here.
Keywords: short synthesis; ergot alkaloids; synthesis; alkaloids evaluation ... See more keywords
Toxin-producing Epichloë bromicola strains symbiotic with the forage grass Elymus dahuricus in China
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DOI: 10.1080/00275514.2018.1426941
Abstract: ABSTRACT Cool-season grasses (Poaceae subfamily Poöideae) are an important forage component for livestock in western China, and many have seed-transmitted symbionts of the genus Epichloë, fungal endophytes that are broadly distributed geographically and in many… read more here.
Keywords: seed; epichlo bromicola; forage; dahuricus ... See more keywords
Human and animal dietary exposure to ergot alkaloids
Sign Up to like & getrecommendations! Published in 2017 at "EFSA Journal"
DOI: 10.2903/j.efsa.2017.4902
Abstract: Abstract The ergot alkaloids (EAs) are mycotoxins produced by several species of fungi in the genus Claviceps. In Europe, Claviceps purpurea is the most widespread species and it commonly affects cereals such as rye, wheat,… read more here.
Keywords: exposure; per day; human animal; ergot alkaloids ... See more keywords
Arterial Responses in Periparturient Beef Cows Following a 9-Week Exposure to Ergot (Claviceps purpurea) in Feed
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers in Veterinary Science"
DOI: 10.3389/fvets.2019.00262
Abstract: Ergot alkaloids are vasoconstrictors frequently detected in low concentrations in livestock feed. The Canadian Food Inspection Agency permits up to 3,000 μg ergot alkaloids per kg cattle feed. The objective of this study was to… read more here.
Keywords: beef cows; treatment; period; internal iliac ... See more keywords
Crude Extracts and Alkaloids Derived from Ipomoea-Periglandula Symbiotic Association Cause Mortality of Asian Citrus Psyllid Diaphorina citri Kuwayama (Hemiptera: Psyllidae)
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DOI: 10.3390/insects12100929
Abstract: Simple Summary Fungi in the genus Periglandula (Clavicipitaceae) are endosymbionts of plants in the Convolvulaceae family (morning glories and relatives) where they may help protect plants from herbivory by production of bioactive compounds known as… read more here.
Keywords: periglandula; mortality; crude extracts; citri ... See more keywords
Impact of Ergot Alkaloids on Female Reproduction in Domestic Livestock Species
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DOI: 10.3390/toxins11060364
Abstract: Fescue toxicosis is a multifaceted syndrome that elicits many negative effects on livestock consuming ergot alkaloids produced by endophyte-infected tall fescue. The economic losses associated with fescue toxicosis are primarily due to reproductive failure including… read more here.
Keywords: livestock species; alkaloids female; ergot alkaloids; female reproduction ... See more keywords
A Targeted UHPLC-MS/MS Method Validated for the Quantification of Ergot Alkaloids in Cereal-Based Baby Food from the Belgian Market
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DOI: 10.3390/toxins13080531
Abstract: Following pending new legislation in the European Union setting a maximum of 20 ng g−1 for the total sum of ergot alkaloids in dry cereal-based baby food, a new UHPLC-MS/MS method was developed. It is… read more here.
Keywords: baby food; cereal based; method; uhplc method ... See more keywords
Effects of Heating, Pelleting, and Feed Matrix on Apparent Concentrations of Cereal Ergot Alkaloids in Relation to Growth Performance and Welfare Parameters of Backgrounding Beef Steers
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DOI: 10.3390/toxins14090580
Abstract: As the contamination of cereal grains with ergot has been increasing in Western Canada, studies were undertaken to evaluate the impacts of heating (60, 80, 120, or 190 °C) alone or in combination with pelleting… read more here.
Keywords: feed matrix; ergot alkaloids; feed; growth performance ... See more keywords
Proportions of predominant Ergot alkaloids (Claviceps purpurea) detected in Western Canadian grains from 2014 to 2016
Sign Up to like & getrecommendations! Published in 2018 at "World Mycotoxin Journal"
DOI: 10.3920/wmj2017.2241
Abstract: Ergot alkaloids, produced by the fungus Claviceps purpurea, are contaminants of cereal crops. Depending on various factors, the relative composition of individual ergot alkaloids can differ among s... read more here.
Keywords: purpurea detected; claviceps purpurea; proportions predominant; ergot alkaloids ... See more keywords