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Study on the extraction method of flavonoids in cinnamomum camphora leaves and antioxidation property

SUN Chong-lu,HUANG Ke-ying,CHEN Cong-jin,ZHANG Yan-qiang(Central South University of Forestry & Technology,Zhuzhou 412006,China)  
The extraction method of flavonoid in Cinnamomum camphora leaves was studied with different ways.The optimum extracting process was put forwad.The results showed that the optimum extracting technical process was 60% alcohol.Antioxidant activities of extracts from Cinnamomum camphora leaves on lard were measured by the Oven-Storage Test.The results showed the extracts of the leaves from Cinnamomum camphora exhibited strong antioxidant activities on lard,which increased with raising the addition amount ofthe flavonoid extracts.
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