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Rośliny cyjanogenne

Rośliny cyjanogenne

Amine Trabelsi / Hajer THABET

72,02 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Farmacología
ISBN:
9786630138115
72,02 €
IVA incluido
Disponible

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Sobre IBD

Cyjanek jest obecny na Ziemi od czasów przed pojawieniem się życia. Jest on uwalniany z różnych źródeł, w tym z niektórych tak zwanych roślin 'cyjanogennych'. Rośliny te przechowują cząsteczki prekursorowe znane jako glikozydy cyjanogenne.Zawiera je ponad 3000 gatunków roślin. Główne rośliny cyjanogenne to Rosaceae (gorzkie migdały i laur wiśniowy), Euphorbiaceae (maniok) i Poaceae (sorgo). Ich organy (liście, nasiona, korzenie) zawierają specyficzne glikozydy cyjanogenne, takie jak amigdalina lub linamaryna.Zatrucie, ostre lub przewlekłe, zależy od spożytej dawki. Toksyczność cyjanku wynika z blokowania mitochondrialnego łańcucha oddechowego, co prowadzi do śmiertelnego niedotlenienia komórek. Po spożyciu cyjanek jest szybko wchłaniany i metabolizowany, głównie w wątrobie, zanim zostanie wyeliminowany przez nerki. Ostre zatrucie objawia się bólami głowy, nadmierną dusznością, a następnie niedotlenieniem, drgawkami i może prowadzić do zatrzymania krążenia i oddychania.Dogłębna wiedza na temat źródeł, mechanizmu działania i toksykokinetyki cyjanku ma kluczowe znaczenie dla zapobiegania i skutecznego leczenia zatruć.

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