????λ?????? > ?????? > ?????? > ??????Y > ??????
??????
?????????BERGENINUM
???????
???????????????????????????????ζ???????????????
??????????????????????????
???????????130???????????????????C????????232??240?档
?????????????????????????????1ml??20mg????????????????????E????????????????????????38??????45??
??????
??1?? ????50mg?????10ml??????????????????1ml,???1ml?к??????????? 1?ε????軯????? 2?Σ??????????????????
??2?? ????5mg,????1ml ??????7???????????????????Σ????10??????????????????????????????У?????????????????????? 1???????????????1??2?Σ?????????
??3?? ????[??????]???????????????????????????? A????????275nm??220nm ?????????????????
??????????
?????20mg????????????50ml????У????????????????????????????1ml,??25ml????У????????????????????????????? A??????275nm ????????????????????????C14H16O9???????????????1?? 1cm??248???????á?
???????????????????????C14H16O9????97.0????103.0????
?????????Ρ?????????????????????????
???÷???????????????0.125g?????3?Ρ?
??????????????
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