Gin-nan food poisoning

Yagi M, Wada K, Sakata M, et al. Studies on the constituents of edible and medicinal plants. IV. Determination of 4-O-methylpyridoxine in serum of the patient with gin-nan food poisoning. Yakugaku-Zassh11993 113 596-599. 

Gin-nan" food poisoning, a toxic syndrome associated with ingestion of 50 or more ginkgo seeds, can result in loss of consciousness, tonic/clonic seizures, and/or death (Anonymous, 1998). Seventy cases were reported between 1930 and 1960, with a 27% mortality rate. Infants were at greatest risk. 

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