来自花椰菜的植物抗毒素——花椰抗毒素A、B和C：分离、结构测定、合成及抗真菌活性
The phytoalexins from cauliflower, caulilexins A, B and C: isolation, structure determination, syntheses and antifungal activity.
作者信息
Pedras M Soledade C, Sarwar Mohammed G, Suchy Mojmir, Adio Adewale M
机构信息
Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK, Canada S7N 5C9.
出版信息
Phytochemistry. 2006 Jul;67(14):1503-9. doi: 10.1016/j.phytochem.2006.05.020. Epub 2006 Jun 27.
Our continuous search for phytoalexins from crucifers led us to examine phytoalexin production in florets of cauliflower (Brassica oleracea var. botrytis) under abiotic (UV light) elicitation. Four known (isalexin, S-(-)-spirobrassinin, 1-methoxybrassitin, brassicanal C) and three new (caulilexins A-C) phytoalexins were isolated. The syntheses and antifungal activity of caulilexins A-C against the economically important pathogenic fungi Leptosphaeria maculans, Rhizoctonia solani and Sclerotinia sclerotiorum, and the first synthesis of brassicanal C are reported.
我们持续不断地从十字花科植物中寻找植保素，这促使我们研究在非生物（紫外线）诱导下，花椰菜（甘蓝变种）小花中植保素的产生情况。我们分离出了四种已知的植保素（异植保素、S-(-)-螺旋油菜素、1-甲氧基油菜素、油菜醛C）和三种新的植保素（花椰菜素A-C）。本文报道了花椰菜素A-C的合成及其对经济上重要的致病真菌——大斑壳针孢、立枯丝核菌和核盘菌的抗真菌活性，以及油菜醛C的首次合成。
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