1.Determination of triterpenoid acids in leaves of Eriobotrya japonica collected at in different seasons.
Han LU ; Chaopeng XI ; Jian CHEN ; Weilin LI
China Journal of Chinese Materia Medica 2009;34(18):2353-2355
OBJECTIVETo find out the change regularity of triterpenoid acids content in leaves of Eriobotrya japonica. (Folium Eriobotryae) in different seasons.
METHODThe content of triterpenoid acids was determined by RP-HPLC.
RESULTThe content changes of oleanolic acid, ursolic acid, corosolic acid were minor in the different seasons. The content of oleanolic acid and ursolic acid were highest in April while the content of corosolic acid was highest in July. The content of maslinic acid has a significant change, the material which collected in November has the highest content in a year.
CONCLUSIONThe content of triterpenoid acids changes regularly.
Drugs, Chinese Herbal ; analysis ; Eriobotrya ; chemistry ; Plant Leaves ; chemistry ; Seasons ; Triterpenes ; analysis
Result Analysis
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