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  • Title: Neuropharmacological activities of the crude alkaloidal fraction from stems of Tabernaemontana pandacaqui Poir.
    Author: Taesotikul T, Panthong A, Kanjanapothi D, Verpoorte R, Scheffer JJ.
    Journal: J Ethnopharmacol; 1998 Oct; 62(3):229-34. PubMed ID: 9849633.
    Abstract:
    The crude alkaloidal (CA) fraction from the stem of Tabernaemontana pandacaqui Poir. was studied for its pharmacological activity on the central nervous system (CNS) of animals. The CA fraction was found to produce symptoms of CNS depression in conscious rats and mice, viz. reduction in spontaneous motility, potentiation of pentobarbital sleeping time, prolongation of latency of convulsions induced by pentylenetetrazole and antinociception. However, the fraction could not antagonize oxotremorine-induced tremor. The observations suggest that the CA fraction possesses a CNS depressant activity.
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