A new fungitoxic metabolite from Spiraea alpina Pall. |
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| Authors: | Taiping Hou Yun Teng Qiu Sun Zhiyi Yu |
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| Affiliation: | 1. Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, Chengdu 610064, China;2. College of Life Sciences, Sichuan University, Chengdu 610064, China;3. West China School of Pharmacy, Sichuan University, Chengdu 610064, China |
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| Abstract: | The fungitoxic metabolites of Spiraea alpina Pall. were identified using inhibition of Rhizoctonia solani, Gibberella zeae, Pyricularia oryzea and Exserohilum turcicum as an end-point. The major fungitoxic constituent of S. alpina was a new diacylated sugar, structurally elucidated as 6-O-(3′,4′-dihydroxy-2′-methylenbutyryl)-1-O-trans-cinnamoyl-β-D-glucopyranose. This compound could inhibit at 0.1 mg/ml Rhizoctonia solani and Exserohilum turcicum, 87.6% and 63.2%, respectively. |
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| Keywords: | Spiraea alpina Pall. Fungitoxic metabolite Glucoside Rhizoctonia solani Exserohilum turcicum |
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