| abstract |
The invention discloses an alpha crystal form substance of luteolin with chemical name of 5,7,3',4'-tetrahydroxy flavone) compound and a preparation method thereof, a pharmaceutical composition containing mixed crystal forms of luteolin alpha crystal forms and (alpha+beta) mixed crystal forms in any proportion and an application of the luteolin crystal form substance used as effective pharmaceutical ingredients in preparation of medicines used for preventing and treating nervous system disease, cardiocerebral vascular system disease, digestive system disease, inflammation and infectious diseases. |