What environmental factor can significantly shorten the storage life of peanuts?

Storage life of peanuts can be significantly diminished by exposure to uncontrolled heat. When peanuts are stored in environments with high temperatures, several detrimental processes can occur. Heat accelerates the development of rancidity in the oils present in peanuts, leading to off-flavors and deterioration in quality. Additionally, high temperatures can increase the likelihood of mold growth and insect infestations, both of which can compromise the nuts further.

Maintaining a stable, cool environment helps to preserve the integrity of the peanuts by slowing down these chemical reactions and biological processes, thus extending their shelf life. Proper storage conditions are crucial in keeping peanuts fresh and safe for consumption.