This is another great article from the African Journal of Food, Agriculture
, Nutrition and Development.
click the image to visit the website
It further promotes the potential of the chemical ingredients of indigenous plants. The study clearly show that Piper guinensis is the most effective within the experimental setup.
It would, however, be nice if there was a bit of information about the nature, dosage and availability of Piper guinensis. A quick look at Wikipedia indicates that it is a strong pepper like spice that would produce a spicy fish which might not suite all and that it is rather scarce and highly valued.
But very encouraging and worthy of some feasibility evaluation.