Here is some basic information about Citrus paradisi and a list of ethnobotanical uses which includes medicinal uses and other uses of Citrus paradisi.
Citrus paradisi basic info
Scientific Name: Citrus paradisi Macfad..
For common names of Citrus paradisi in different languages - See link
The grapefruit (Citrus × paradisi) is a subtropical citrus tree known for its sour to semi-sweet fruit. Grapefruit is a hybrid originating in Barbados as an accidental cross between two introduced species, sweet orange (C. sinesis) and pomelo or shaddock (C. grandis), both of which were introduced from Asia in the seventeenth century. - for more info about Citrus paradisi See link
Ethnobotanical and folk medicinal uses of Citrus paradisi
*The information in this list is based on the ethnobotanical data in Dr. Duke's Phytochemical and Ethnobotanical Databases.
Dr. Duke does not recommend using this information for self diagnosis or self medication. - See link
Citrus paradisi in other websites
Citrus paradisi common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Citrus paradisi - See link
See if there is something in Youtube on the term Citrus paradisi - See link