Enniatin B1-13C34 is the 13C-labeled Enniatin B1 (HY-N3807). Enniatin B1 is a Fusarium mycotoxin. Enniatin B1 inhibits acyl-CoA: cholesterol acyltransferase (ACAT) activity with an IC50 of 73 µM in an enzyme assay using rat liver microsomes[1]. Enniatin B1 crosss the blood-brain barrier[2]. Enniatin B1 decreases the activation of ERK (p44/p42). Enniatin B1 inhibits moderately TNF-alpha-induced NF-kappaB activation[3].