Kassinin, belonging to the tachykinin family which excites neurons and provoke behaviorial responses, are potent vasodilators and secretagogues.
Kassinin is a peptide derived from the skin of the African frog Kassina senegalensis. It belongs to tachykinin family of neuropeptides. It is secreted as a defense response, and is involved in neuropeptide signalling.http://www.creative-peptides.com/product/kassinin-item-10-101-66-64.html