THE STUDY ON THE THIN-LAYER CHROMATOGRAPHY OF FLAVONOIDES FROM BASSICA L. Contents of total flavonoids in Rhizoma Arisaematis Effects of nitrogen application levels on yield and active compositioncontent of Desmodium styracifolium Contents of General Flavonoides in Epimedium acuminatum Franch. and Its Differently processed Products 从菟丝子种子中,分离出4个黄酮类化合物,经理化和光谱分析鉴定为槲皮素、紫云英甙、金丝桃甙和槲皮素-3-O-β-半乳糖-7-O-β-葡萄糖甙。 THE INFLUENCE OF ECOTOPE DIVERSITY ON THE FLAVONOIDES CONTAINED IN ALLIUM L Analysis on functional composition content in sporophyll and foliage leaves of Pyrrosia lingua