Compound Schisandra-Ginseng-Notoginseng-Lycium Extract Ameliorates Scopolamine-Induced Learning and Memory Disorders in Mice

Table 1

Extraction procedures of four herbs.

Medicine	Dosage (g)	Liquid-to-solid ratio	Solvent	Temperature	Time	Note
Schisandra	6	1 : 14	75% ethanol	65°C	2 h	—
Ginseng	9	1 : 10	80% ethanol	85°C	1 h	2 times
Notoginseng	1	1 : 8	50% ethanol	70°C	2 h	2 times
Lycium	6	1 : 10	Water	100°C	3 h	2 times