A pile of pistachios
FOOD NEWS
Why Storing Kirkland Signature Pistachios In Your Pantry Is A Mistake
BY Luna Christina Lupus
Many people’s first instinct may be to store a three-pound bag of Kirkland Signature in-shell pistachios in the pantry. However, this is contrary to what’s recommended.
The label recommends storing the pistachios in an airtight container and in the fridge, as the nuts can combust under the wrong conditions, one of which is high temperature.
Since pistachios contain over 50% fat, they can begin self-heating. This makes them a potential fire hazard, especially during transport.
There are three main factors that can contribute to the spontaneous combustion of the pistachio: weight, moisture, and temperature.
When pistachios are transported and stored in large quantities, the pressure of over-stacking can accelerate self-heating.
The ideal temperature for storing pistachios is 32 degrees Fahrenheit, but anything up to 77 degrees is safe. Never store them near heat sources or in direct sunlight, though.