Food Engineering
Cold spot
The slowest-heating location in a container, where lethality accumulates least during thermal processing.
Real-life application
The point inside a can, jar or retort pouch that a food processor measures temperature at, because it's the last place to reach a safe temperature during sterilisation.
Related terms
Retort
Food EngineeringA pressure vessel used to sterilise food after sealing in its container, allowing temperatures above 100 °C.
F-value
Food MicrobiologyThe total lethality of a heat process expressed as equivalent minutes at a reference temperature. F0 is the reference at 121.1 °C with z = 10 °C.
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