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银木(Cinnamomum septentrionale Hand.-Mzt)为樟科樟属植物,又名大叶樟,是中国特有的樟属植物[1-2]。其根、叶均可入药,味辛性凉,具有清热解毒、祛湿止痒的功效,经济价值较高。湖北地区是银木生长的主产区,现有野生资源贮量十分丰富,具有良好的开发应用前景[3-5]。但迄今为止,对银木的研究主要集中在种植、栽培及病虫害防治等方面,关于银木的基础研究鲜有报道,严重限制了其资源的合理应用。银木总黄酮含量较高[6-7],是银木中极具开发前景的一类生物活性成分。但目前关于银木总黄酮的研究较少,对其开发利用缺乏理论依据。故
Cinnamomum septentrionale Hand-Mzt is a cinnamyl camphor tree, also known as camphor tree, which is endemic to China [1-2]. Its roots and leaves can be medicine, spicy cool with detoxification, dampness and anti-itch effect, high economic value. Hubei area is the main growing area of silver wood, the existing reserves of wild resources are very rich, with good prospects for the development and application of [3-5]. However, so far, the study of silver wood mainly in the cultivation, cultivation and pest control and other aspects of the basic research on silver wood rarely reported, severely limited the rational use of its resources. Silver wood total flavonoids higher [6-7], silver wood is very promising in the development of a class of bioactive ingredients. However, there are few researches on total flavonoids of Agrocybe, so it lacks theoretical basis for its development and utilization. Therefore