Summary
3000-year-old honey found in Egyptian pyramids was still edible. Secret: low moisture and acidity.
Jars of 3000-year-old honey were found in Egyptian tombs - still edible.
The secret to honey"s immortality: Very low moisture (17-18%), acidic pH (3-4.5), and natural hydrogen peroxide content.
Ancient Egyptians used honey for wound treatment and mummification. They had discovered its antibiotic properties.
Source: Journal of Food Science