Is alpha-Methylene-gamma-butyrolactone vegan?

Tulipalin A is also known as alpha-Methylene-gamma-butyrolactone.

Tulipalin A, also known as α-methylene-γ-butyrolactone, is a naturally occurring compound found in tulips and related flowers such as alstroemerias. It is formed from tuliposide A when plant tissue is damaged and is a known contact allergen.

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