提取分离
Extraction and Separation
提取extraction
碱提酸沉淀alkali-extract-acid-precipitation
层析分离法chromatographic fractionation
光谱分析
spectral analysis
诊断试剂diagnostic reagent
Flavone infree statelipotropism
Flavonoid glycoside hydase
显色反应
Color reaction
盐酸－镁粉反应hydrochloric acid－Mg reaction
NaBH4反应NaBH4 reaction
基本结构与分类
elementary structure and classification
黄酮类Flavones
黄酮醇类flavonols
二氢黄酮类flavonones
二氢黄酮醇类flavanonols
异黄酮类isoflavones
查耳酮类chalcones
花色素类anthocyanidins
黄烷醇类flavanols
AlCl3反应AlCl3 reaction
Pb(Ac)2反应Pb(Ac)2 reaction
锆盐－枸橼酸反应Zirconium salt－Citric Acid reaction
Mg(Ac)2反应Mg(Ac)2 reaction
FeCl3反应FeCl3 reaction
硼酸反应boric acid reaction
双黄酮类bisflavones
汕酮类xanthones
性质property
颜色
Color
呈黄色（都具交叉共轭体系）
yellow color（all possess cross conjugated system）
旋光性
Optical activity
溶解性
Solubleness
游离黄酮亲脂性黄酮甙亲水性
黄酮类化合物Flavones
概念
Concepts
两个苯环（A与B）通过三个碳原子相互联结而成的一系列化合物。
two benzene rings (A and B) through joining three C atoms together to become a series of compounds.
交叉共轭体系cross conjugated system
强峰hadro-peak
弱峰ambly-peak
尖峰acromion