A Valepotriate Fraction of Valeriana glechomifolia Shows Sedative and Anxiolytic Properties and Impairs Recognition But Not Aversive Memory in Mice
2011

Effects of Valeriana glechomifolia Extract on Mice Behavior

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Natasha Maurmann, Gustavo Kellermann Reolon, Sandra Beatriz Rech, Arthur Germano Fett-Neto, Rafael Roesler

Primary Institution: Federal University of Rio Grande do Sul

Hypothesis

Does a valepotriate extract from Valeriana glechomifolia affect sedative and memory-related behaviors in mice?

Conclusion

The study found that the valepotriate extract has sedative effects and impairs recognition memory in mice.

Supporting Evidence

  • Mice treated with 10 mg/kg of the extract showed reduced locomotion and exploratory behavior.
  • The extract impaired habituation in mice at doses of 1 and 10 mg/kg.
  • In the elevated plus-maze test, mice treated with 10 mg/kg spent more time in open arms, indicating anxiolytic effects.
  • The extract at 3 mg/kg impaired novel-object recognition memory.
  • No significant effects on fear-related memory were observed.

Takeaway

This study shows that a plant extract can make mice less active and affect their memory.

Methodology

Mice were treated with different doses of a valepotriate extract and tested for locomotion, anxiety, and memory using various behavioral tests.

Potential Biases

Potential bias in the selection of doses and behavioral tests used.

Limitations

The study focused only on the effects of valepotriates and did not evaluate other compounds in the extract.

Participant Demographics

Swiss male CF1 mice, aged 60-90 days.

Statistical Information

P-Value

0.046

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep232

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