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Abstract
Two new farnesane sesquiterpenoid glycosides, rubusdelosides A and B (1 and 4), together with five known farnesane sesquiterpenoids (2, 3, and 5-7), and two known meroterpenoids (8 and 9), were isolated from water extract of the herbs of R. delavayi. Their structures were identified by the comprehensive analyses of physicochemical properties and spectroscopic data (NMR and HR-ESI-MS). Compounds 1-8 showed moderate in vivo anti-T. spiralis activities.
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Disclosure statement
No potential conflict of interest was reported by the authors.
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Funding
The work was financially supported by the National Natural Science Foundation of China [grant number 81960637], the Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan [grant number 202105AG070003], and the Science and Technology Programs of Dali Bai Autonomous prefecture [grant number D2019NA02].