The contents of total phenolics, flavonoid and chlorogenic acid in two types of sand pear fruits 〔\%Pyrus pyrifolia \%(Burm. f.) Nakai〕, and antioxidant activities in its juice were analysed. The results showed that...The contents of total phenolics, flavonoid and chlorogenic acid in two types of sand pear fruits 〔\%Pyrus pyrifolia \%(Burm. f.) Nakai〕, and antioxidant activities in its juice were analysed. The results showed that the contents of total phenolics and flavonoid in fruit of black sand pear were higher than that of red sand pear fruit obviously, but chlorogenic acid contents were not different in two types of sand pear fruit. The CI\-\{50\}of scavenging ·OH of their juice were 30.6 μL and 69.5 μL respectively. And their juice could inhibit lipid peroxidation significantly in brain and liver homogenates of rat. These implied that sand pear fruits have large quantity of antioxidant matters and were worthy to be further researched.展开更多
文摘The contents of total phenolics, flavonoid and chlorogenic acid in two types of sand pear fruits 〔\%Pyrus pyrifolia \%(Burm. f.) Nakai〕, and antioxidant activities in its juice were analysed. The results showed that the contents of total phenolics and flavonoid in fruit of black sand pear were higher than that of red sand pear fruit obviously, but chlorogenic acid contents were not different in two types of sand pear fruit. The CI\-\{50\}of scavenging ·OH of their juice were 30.6 μL and 69.5 μL respectively. And their juice could inhibit lipid peroxidation significantly in brain and liver homogenates of rat. These implied that sand pear fruits have large quantity of antioxidant matters and were worthy to be further researched.
