Ultra-high temperature processing, ultra-heat treatment, or ultra-pasteurization is a food processing technology that sterilizes liquid food by heating it above 140 °C – the temperature required to ki
A Tetra Pak ultra-pasteurization line.
Shelf-stable UHT milk carton (on right).
Capsules of UHT milk
Endospore
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An endospore is a dormant, tough, and non-reproductive structure produced by some bacteria in the phylum Bacillota. The name "endospore" is suggestive of a spore or seed-like form, but it is not a tru
Ultra-high-temperature processing
…is a food processing technology that sterilizes liquid food by heating it above 140 °C (284 °F) – the temperature required to kill bacterial endospores – for two to five seconds. UHT is most commonly used in milk production, but the process is also used for fruit juices, cream, soy milk, yogurt, wine…
An endospore stain of the cell Bacillus subtilis showing endospores as green and the vegetative cell as red
Phase-bright endospores of Paenibacillus alvei imaged with phase-contrast microscopy