Spermidine

**Semantic type:** Organic Chemical

**Definition:** A polyamine derived from putrescine that is involved in many biological processes, including the regulation of membrane potential, the inhibition of nitric oxide synthase (NOS) and the induction of autophagy.

**Synonyms:** - 1,4-Butanediamine, N-(3-Aminopropyl)- - 1,4-Butanediamine, N1-(3-Aminopropyl)- - 1,4-Diaminobutane, N-(3-Aminopropyl)- - 1,5,10-Triazadecane - 4-Azaoctamethylenediamine - 4-Azaoctane-1,8-Diamine - N-(3-Aminopropyl)-1,4-Butane-Diamine - SPERMIDINE