A double-blind, placebo controlled study of Ginkgo biloba extract ('tanakan') in elderly outpatients with mild to moderate memory impairment.

@article{Rai1991ADP,
  title={A double-blind, placebo controlled study of Ginkgo biloba extract ('tanakan') in elderly outpatients with mild to moderate memory impairment.},
  author={Gurcharan S. Rai and Claire L Shovlin and Keith A Wesnes},
  journal={Current medical research and opinion},
  year={1991},
  volume={12 6},
  pages={350-5}
}
Thirty-one patients over the age of 50 years and showing a mild to moderate degree of memory impairment entered a 6-month double-blind, placebo controlled, parallel group design study to assess the effects of a standardized Ginkgo biloba extract (containing 24% flavonoid glycosides and 6% terpenes) on cognitive function. Patients were allocated at random to receive oral doses of 40 mg Ginkgo biloba extract or identical placebo 3-times daily. Assessments were made at baseline and after 12 and 24… CONTINUE READING

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