T he contents of total phenolics, flavonoid and chlo rogenic acid in two types of sand pear fruits 〔Pyrus pyrifolia
(Burm .f .)N akai], and antioxidant activities in its juice were analysed.The results show ed that the contents of total
phenolics and flavo noid in fruit of black sand pear were hig her than that of red sand pear fruit obviously , but chlorogenic acid contents were not different in tw o ty pes of sand pear fruit .The CI50 of scavenging ·OH of their juice were 30 .6 μL and 69.5 μL respectively .And their juice could inhibit lipid pero xidation significantly in brain and liver homogenates of rat .These implied that sand pear fruits have large quantity of antiox idant matters and w ere wor thy to be further researched .