Table 4.

Effect of a simultaneous injection of MT (10–6 mol l–1) and PRL (10–6 mol l–1) on light emission

Student's t-test
Light parametersControl* (N=8)MT+PRL (N=8)t-valueP-value
Lmax (Mq s–1 cm–2)11.51±0.520.980.3588
Ltot (Tq h–1 cm–2)10.92±0.25–0.310.7683
TLmax (min)11.00±0.080.040.9661
TLmax (min)10.54±0.11–4.090.0046
  • MT, melatonin; PRL, prolactin; Lmax, maximum intensity of light emission; Ltot, total light emission; Mq s–1 cm–2, megaquanta per second per square centimetre; Tq h–1 cm–2, teraquanta per hour per square centimetre

  • * Control is the sum of the values obtained for prolactin (PRL) and melatonin (MT) tested separately

  • Student t-test performed using TLmax (time between stimulation and maximum intensity light emission) of PRL injected alone as control value

  • Student t-test performed using TLmax of MT injected alone as control value