Is Lup-20(29)-ene-3,28-diol, (3β)- vegan?

Betulin is also known as Lup-20(29)-ene-3,28-diol, (3β)-.

Betulin is a naturally occurring triterpene compound commonly isolated from the bark of birch trees, forming up to 30% of the dry weight of silver birch bark, and used in cosmetics for its skin-conditioning properties.

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