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PubMed1994

[Memory-improving effect of aqueous extract of Astragalus membranaceus (Fisch.) Bge].

The study shows that the aqueous extract of Astragulus membranaceus (AMWE) can improve the anisodine-induced impairment on memory acquisition as well as the alcohol-elicited deficit of memory retrieval (number of errors were reduced and latent period was prolonged) in step down, and can also prolong the gasping duration of mice after decapitation at doses of 50g/kg (ig) for 7 days.

Animals↗
PubMed1993

[Effects of the combination of Astragalus membranaceus (Fisch.) Bge. (AM), tail of Angelica sinensis (Oliv.) Diels. (TAS), Cyperus rotundus L. (CR), Ligusticum chuanxiong Hort. (LC) and Paeonia veitchii Lynch (PV) on the hemorrheological changes in normal rats].

The results showed that AM and TAS had significant effects of enriching the blood. CR, a Qi-regulating drug, LC and PV, two blood-activating drugs, could improve all hemorrheological indexes, such as the whole blood specific viscosity, the plasma specific viscosity, erythrocyte electrophoresis, etc. The combination of Qi-regulating drug and blood-activating drug displayed more favorable effect. This experiment has provided some pharmacological evidence for the theory of "Qi Xue Xiang Guan" (correlation of vital energy with blood circulation) in traditional Chinese medicine.

Animals↗
PubMed1994

[Effects of the combination of Astragalus membranaceus (Fisch.) Bge. (AM), Angelica sinensis (Oliv.) Diels (TAS), Cyperus rotundus L. (CR), Ligusticum chuangxiong Hort (LC) and Peaonìa veitchii lynch (PV) on the hemorheological changes in "blood stagnating" rats].

The "blood stagnating" rat model was built with adrenaline and cold stimulation. Its hemorrheological character was an increase in the viscosity, thickness and liability to coagulate. The experimental result showed that AM and TAS could decrease the whole blood specific viscosity, but at the same time increase the plasma specific viscosity. The qi-regulating drug CR and two blood-activating drugs LC and PV could improve the hemorrheological changes in "blood stagnating" rats. The combination of qi-regulating drugs and blood-activating drugs had more favorable effect.

Animals↗