L-Leucine: A Neuroactive Substance in Insects

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Science  28 Jan 1972:
Vol. 175, Issue 4020, pp. 448-449
DOI: 10.1126/science.175.4020.448


A compound was isolated from the blood of silkworm larvae, Bombyx mori, which had been prostrated with DDT; this compound increased the spontaneous discharge in the isolated abdominal nerve cord of the American cockroach, Periplaneta americana. The compound was identified as L-leucine.