There is much basis in various herbs and spices for the ridding of various pathogens and parasites or other foreign organisms which cause odor emanating from the body. Another very nice combination I would recommend is orange with cloves. Ginger, cloves, Black-Walnut hulls (the outter casing of walnuts), are all fantastic herbs to consume in teas or by other means. Citrus fruits, or the sour fruits like the lemons and limes are good for cleansing the digestive system as well.
Some of the best fruits everyone with BO should consume are: Pineapple, Papaya, Apricots, Oranges, and Cantaloupe.