Chemical Constituents of Apocynum lancifolium Flowers
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The perennial plant Apocynum lancifolium (Apocynaceae) is broadly distributed in Central Asia, western and eastern Siberia, Mongolia, Iran, and China . It flowers in June-July and fruits in August-September. It grows among bushes along valleys and banks of rivers and lakes and occasionally in alkaline meadows.
Flowers of A. lancifolium are known in China as Luobuma and are used in Chinese folk and contemporary medicine as a medicinal tea and effective treatment for hypertension and neurasthenia and possess hypolipidemic, hepatotropic, antioxidant, antiviral, and nephritic activity. The flowers are popular in Japan as a health drink and are sold as rejuvenating food additives in the battle with hypercholesterolemia and as antihypertensive sedative agents [2, 3, 4, 5].
Ground air-dried flowers of A. lancifolium that were collected in Xinjiang A. R., PRC, were extracted with EtOH (70%) at room temperature. The combined extract was evaporated in vacuo, diluted with H2O (1:1), and...
KeywordsQuercetin Rutin EtOAc Caffeic Acid Kaempferol
The work was supported by the Program for International Collaboration and Exchange of the National Foundation for Natural Sciences of China (No. 31110103908) and the Foundation for International Scientific and Technical Collaboration of Xinjiang-Uygur A. R. (No. 20126023).
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