Putrescine (Put), spermidine (Spd) and spermine (Spm) contents in the pericarp, seed and aril ofHuaizhi litchi (Litchi chinensis Sonn.) were analysed during fruit development.

• 荔枝果实中多胺含量以亚精胺(Spd)最高,腐胺(Put)其次,精胺(Spm)最低,三者分别于花后7 d和28 d各出现1个高峰。