Schoenenberger and Monnier reported in the Proceedings of the National Academy of Sciences USA the isolation, sequence determination and synthesis of the active material, identified as the nonapeptide Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu, and demonstrated that intraventricular infusion of the synthetic compound in rabbits reproduced delta- and spindle-EEG enhancement under double-blind conditions (Schoenenberger & Monnier, 1977)
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Zhang, W., Song, J., Zhang, Y., Ma, Y., Yang, J., He, G., & Chen, S
the National Key Scientific Instrument and Equipment Development Project (31627803)
\Stress Reduction: Demonstrated anxiolytic effects and improved stress resilience