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[Nasal Mucosa Absorption of Scutellariae Radix Extract in Rats and Its Two Preparations Phospholipid Complex and Submicron Emulsion].

OBJECTIVE
To study the nasal mucosa absorption of Scutellariae Radix extract in rats and its two preparations phospholipid complex and submicron emulsion, and to evaluate the rationality of Scutellariae Radix extract modification technology and preparation form.


METHODS
According to the nasal absorption method, the absorption amount of Scutellariae Radix extract, phospholipid complex and submicron emulsion were determined.


RESULTS
The absorption amount of Scutellariae Radix extract, phospholipid complex and submicron emulsion under the experimental conditions was improved in turn in 2 h and the absorption amount of submicron emulsion increased significantly. The absorption characteristics were passive diffusion.


CONCLUSION
The modification methods and preparation form of Scutellariae Radix extract were scientific and reasonable.