If you don't have access to a compressor, go to a Walmart or other dept. store and get one of those el cheapo paint brushes. They work great as dusters and konock the dust out of the grain well. I try to stay away from the chemicals on wood.
Also, if you use a compressor and blow it with air, make sure you have an oil and moisture trap on the line to keep from getting contaminates all over you wood.