| [levels of ochratoxin a and total aflatoxins in panamanian exportation coffee by an elisa method]. | a study about processing conditions of exportation coffee in 15 benefits located in chiriqui, western region of panama, was conducted. in addition, 21 samples of processed coffee (green beans), from the benefits, were analyzed. the samples were microbiologically tested in order to quantify total aflatoxins (b1, b2, g1 and g2) and ochratoxin a (ota), using the immunoaffinity elisa method. a detection limit of 0.017 ng/ml, was determined for ochratoxin a, which is equivalent to a concentration of ... | 2014 | 25796716 |