Sesquiterpene lactones and other constituents from Stevia jorullensis |
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| Institution: | 1. School of Pharmaceutical Science and Technology, Health Sciences Platform, Tianjin University, Tianjin, 300072, China;2. National Herbarium of Georgia, Ilia State University, Tbilisi, Georgia;3. Institute of Botany, Armenian National Academy of Sciences, Yerevan, Armenia;4. New York Botanical Garden, Bronx, NY, USA |
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| Abstract: | A chemical study of the aerial parts of Stevia jorullensis was carried out as a contribution to the knowledge of the chemistry of the genus Stevia. In this investigation the sesquiterpene lactones 11β,13-dihydrocostunolide (1), 11,13-dihydroreynosin (4), and 1β-hydroxycolartin (5) were isolated for the first time in the genus. Additionally, chlorogenic acid (8), the steroidal compounds β-sitosterol (2), stigmasterol (3), β-sitosteryl glucopyranoside (6), and stigmasteryl glucopyranoside (7) were also isolated. This is the third report of the presence of a 11,13-dihydrogermacranolide and the second of 11,13-dihydroeudesmanolides in the genus Stevia. |
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| Keywords: | Asteraceae Sesquiterpene lactones Germacranolide Eudesmanolides |
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