What toxic constituents are documented specifically in *Ornithogalum umbellatum*?
Answer
Cardiac glycosides affecting heart function
The primary toxicological concern identified for *Ornithogalum umbellatum* involves the presence of cardiac glycosides within its plant tissues. These substances are biologically significant because they possess the capability to interfere directly with normal heart function, potentially leading to severe cardiovascular issues upon ingestion. While the plant contains various compounds that cause adverse reactions, the cardiac glycosides are specifically named as the mechanism behind its danger, particularly relevant when considering accidental ingestion by humans or livestock, where cardiac irregularities are a noted symptom.
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