Spermidine trihydrochloride powder is the hydrochloric acid neutralized salt of spermidine.Spermidine trihydrochloride is a polyamine that inhibits neuronal nitric oxide synthase (nNOS) and binds and precipitates DNA. It may be used to purify DNA binding proteins. Additionally, spermidine stimulates T4 polynucleotide kinase activity. It is involved in growth, development, and the stress response in plants.Welcome to buy bulk Spermidine trihydrochloride powder from us at any time!