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Title: A comparative study of the effects of sparteine, lupanine and lupin extract on the central nervous system of the mouse. Author: Pothier J, Cheav SL, Galand N, Dormeau C, Viel C. Journal: J Pharm Pharmacol; 1998 Aug; 50(8):949-54. PubMed ID: 9751462. Abstract: Lupin is toxic because of its alkaloid content, sparteine and lupanine in particular. Although the pharmacological properties of sparteine are well known those of lupanine have not been much studied. This paper reports procedures for extraction, purification and crystallization of lupanine, and methods for the preparation of an extract for injection of Lupinus mutabilis Sweet, and for the determination of the acute toxicity and maximum non-lethal dose (DL0) of lupanine, sparteine and lupin extract in the mouse. The three substances were tested on the central nervous system (CNS) for locomotor activity, for interaction with specific drugs used for treatment of the CNS (the stimulant drugs amphetamine and pentetrazol and the depressant drugs pentobarbital and chlorpromazine) and for analgesic activity. The results indicate that lupanine and lupin extract are less toxic than sparteine and that at the doses studied the three products have a weak sedative effect on the CNS.[Abstract] [Full Text] [Related] [New Search]