Two new tetrahydronaphthalenes,lα,2α-diol-4α-ethoxy-1,2,3,4-tetrahydronaphthalene(1) and 1a,2a,4β-triol-1,2,3,4- tetrahydronaphthalene(2),were isolated from the stem of Impatiens balsamina L.Their structures were ...Two new tetrahydronaphthalenes,lα,2α-diol-4α-ethoxy-1,2,3,4-tetrahydronaphthalene(1) and 1a,2a,4β-triol-1,2,3,4- tetrahydronaphthalene(2),were isolated from the stem of Impatiens balsamina L.Their structures were elucidated by various spectroscopic methods.展开更多
A simple and efficient HPLC method was developed for quality analysis of flavonoids from Impatiens balsamina L.(IBL)flowers,which were collected from Xingjiang,Anhui,Henan,and Hubei provinces in China.The flavonoids s...A simple and efficient HPLC method was developed for quality analysis of flavonoids from Impatiens balsamina L.(IBL)flowers,which were collected from Xingjiang,Anhui,Henan,and Hubei provinces in China.The flavonoids substances in IBL were determined by HPLC through methyl alcohol ultrasonic extraction.A mixture of展开更多
文摘Two new tetrahydronaphthalenes,lα,2α-diol-4α-ethoxy-1,2,3,4-tetrahydronaphthalene(1) and 1a,2a,4β-triol-1,2,3,4- tetrahydronaphthalene(2),were isolated from the stem of Impatiens balsamina L.Their structures were elucidated by various spectroscopic methods.
文摘A simple and efficient HPLC method was developed for quality analysis of flavonoids from Impatiens balsamina L.(IBL)flowers,which were collected from Xingjiang,Anhui,Henan,and Hubei provinces in China.The flavonoids substances in IBL were determined by HPLC through methyl alcohol ultrasonic extraction.A mixture of