A food storage appliance including a housing, an elongated vacuum trough disposed in the housing, one or more electronic components including a vacuum motor fluidly connected to the vacuum trough and a heat sealing element disposed in proximity of the vacuum trough, an sensor disposed on the housing in proximity to the vacuum trough configured to generate an electrical signal if liquid is detected in a food storage container, the food storage container having a portion inserted into the vacuum trough prior to an evacuation operation, the sensor detecting liquid before it is drawn into the vacuum trough during the evacuation operation, and an integrated electronic circuit connected to the sensor configured to receive the electrical signal and configured to control one of the vacuum motor or the heat sealing element when liquid is detected in the food storage container.
