The quercetin contents in leaves of four types of \%Myrica nana \%Cheval. were determined by HPLC and UV spectrophotometer. There are appearent difference in quercetin content of leaves among four types of \%M. nana\%...The quercetin contents in leaves of four types of \%Myrica nana \%Cheval. were determined by HPLC and UV spectrophotometer. There are appearent difference in quercetin content of leaves among four types of \%M. nana\%. In addition, all types of \%M. nana \%have higher content of quercetin during vegetative period than fruit period, and free quercetin content is less in total quercetin content.展开更多
文摘The quercetin contents in leaves of four types of \%Myrica nana \%Cheval. were determined by HPLC and UV spectrophotometer. There are appearent difference in quercetin content of leaves among four types of \%M. nana\%. In addition, all types of \%M. nana \%have higher content of quercetin during vegetative period than fruit period, and free quercetin content is less in total quercetin content.