Is L-Threonine, N-[(5S)-3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-, [N(E)]- vegan?

Porphyra-334 is also known as L-Threonine, N-[(5S)-3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-, [N(E)]-.

Porphyra-334 is a mycosporine-like amino acid (MAA), a small UV-absorbing secondary metabolite originally isolated from the red alga Porphyra, used in cosmetics for its natural photoprotective properties.

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