Is Claviceps purpurea alkaloids vegan?

Claviceps purpurea extract is also known as Claviceps purpurea alkaloids.

Claviceps purpurea is the ergot fungus that infects rye and other grasses, producing toxic alkaloids; galenical preparations and alkaloid extracts derived from it are regulated in cosmetics due to their potent pharmacological and toxic effects. It is of fungal origin.

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