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Hot Fill Hold - Temperature Question

beverages food safety thermal processing hot fill temperature

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Beveragequestions44

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Posted 24 November 2021 - 06:19 PM

Hello,

 

I have seen the following article(s) referenced quite often on this forum in regards to hot fill and hold temperatures:

 

https://foodsafety.w...osing a Hot.pdf

 

and

 

https://aggie-hortic...ified_foods.pdf

 

Both reference a fill temperature minimum of 180 degrees F.  

 

What I am trying to figure out is if this temperature is referring to the temperature in which the liquid is filled into the bottle, or if this is an adjusted temperature that accounts for temperature loss from the packaging heating up from the hot liquid. 

 

I.E does the fill temperature really need to be about 190F to account for heat loss due to transfer into the packaging materials, OR does it mean it can be filled at 180F and the heat transfer decrease happens after?

 

Lastly, just for my understanding, when it comes to the time/temperature combination as referenced in the first article; is it saying that essentially 160 F for 1.2 minutes = the same results as 178F for 0.1 minutes?

 

Thanks!

 

 



Scampi

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Posted 24 November 2021 - 07:42 PM

The hot fill temperature refers to minimum temperature the product must be before filling jars.

 

Second question, you are correct, the chart tells you minimum hold times based on product temperature at fill

 

NOTE: if you are making an acidified food, you will still need a scheduled process for your particular product, but these charts work as a guide


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Beveragequestions44

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Posted 24 November 2021 - 07:52 PM

The hot fill temperature refers to minimum temperature the product must be before filling jars.

 

Second question, you are correct, the chart tells you minimum hold times based on product temperature at fill

 

NOTE: if you are making an acidified food, you will still need a scheduled process for your particular product, but these charts work as a guide

 

Thanks Scampi,

 

That was very helpful







Also tagged with one or more of these keywords: beverages, food safety, thermal processing, hot fill, temperature

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