Xenopsin TFA, a neurotensin-like octapeptide from Xenopus laevis skin. Xenopsin TFA is an inhibitor of Tetragastrin stimulated gastric acid secretion. References: [1]. Sures I, et al. Xenopsin: the neurotensin-like octapeptide from Xenopus skin at the carboxyl terminus of its precursor. Proc Natl Acad Sci U S A. 1984 Jan;81(2):380-4. [2]. Zinner MJ, et al. Effect of xenopsin on blood flow, hormone release, and acid secretion. Am J Physiol. 1982 Sep;243(3):G195-9.

纯度：≥98%