Ah right, that's strange. How are you downsampling the image? Assuming the white shows up in the 512 texture and isn't something related to your engine.
Take a look at this link to see if it may be related: http://www.illustrator.repair/ There is also an Adobe article that can be found here: https://forums.adobe.com/thread/1095052
Lance Bass is a former Dynamics employee, extremely talented illustrator. No relation to one of those boybands. (I think that's what you're talking about?)
and on a slightly unrelated note (and just for giggles in relation to the current lawsuit trends)... http://www.zestuff.com/product.php?productid=59&cat=18&page=1