首页|CHROMONE DERIVATIVES FROM THE STEMS OF SICHUAN LOCAL SUN CURED TOBACCO AND THEIR ANTI-TMV ACTIVITY
CHROMONE DERIVATIVES FROM THE STEMS OF SICHUAN LOCAL SUN CURED TOBACCO AND THEIR ANTI-TMV ACTIVITY
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NSTL
Two new chromone derivatives(1 and 2),together with four known(3-6)ones,were isolated from the sterns of a local sun cured tobacco(Fenghuang tobacco,widely cultivated in Shifang prefecture,Sichuan Province).Their structures were elucidated by spectroscopic methods,including extensive ID and 2D NMR techniques.Compounds 1 and 2 were tested for their anti-tobacco mosaic virus(anti-TMV)activity.The results showed that compounds 1 and 2 exhibited high anti-TMV activities with inhibition rates of 35.8 and 28.6% at the concentration of 20 μМ.These rates are close to that of the positive control.
Sun cured tobaccochromonesanti-tobacco mosaic virus activity
Wei-Shong Kong、Na Lv、Dian Luo
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Key Laboratory of Tobacco Chemistry of Yunnan Province,China Tobacco Yunnan Industrial Co.,Ltd.,650231,Kunming,P.R.China
NSTL
