Polyamines, mainly including putrescine (Put), spermidine (Spd), spermine (Spm), are ubiquitous lowmolecular aliphatic amines generated in organism metabolism.

• 多胺(Polyamines)是生物代谢过程中产生的一类具有生物活性的低分子量脂肪族含氮碱，主要包括腐胺(Put)、亚精胺(Spd)和精胺(Spm)。