Either crystallized or worse, soured. I can understand the sugar part, but not the sour.
crystalizing is normal with honey. Processed honey has the pollen removed to stop the crystalizing which makes a longer shelf life for uninformed consumers. Once the pollen is removed, you cannot source the honey to country of origination.
to rehydrate the honey http://www.ehow.com/how_5816369_fix-crystallized-honey-quickly.html
The sour I cannot address but the above might correct that.
Our perceptions of food are manipulated many times for many reasons. The GMO is a very political, emotional issue. Get the truth, don’t believe headlines.