Is L-leucyl-L-valyl-L-valyl-L-tyrosyl-L-prolyl-L-tryptophyl-L-threonine vegan?

sh-Spinorphin SP is also known as L-leucyl-L-valyl-L-valyl-L-tyrosyl-L-prolyl-L-tryptophyl-L-threonine.

sh-Spinorphin SP is a synthetically produced peptide identical to spinorphin, a 7-amino-acid sequence derived from hemoglobin subunit beta, a blood protein of animal origin.

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