Is sterilized milk safe to use with a breadmaker's timer function?
I recently started making bread with a breadmaker and was wondering if it's safe to keep sterilized milk in the machine for a few hours before the program starts. I'm using the timer function to have a fresh bread ready in the morning. I know that it is recommended not to use perishable ingredients, like milk and eggs, when using the timer function. Does this also apply to sterilized milk?
Where I live, the average room temperature in summer is 28 degrees Celcius, which probably does not help.
Update: I did some more searching and found this:
When an increase and then a rapid decrease in heat occurs, bacteria such as lactococci and lactobacilli can form. [...] Milk actually spoils when bacteria converts the lactose into glucose and galactose, which results in the production of lactic acid.
Basically the question boils down to:
- Are these bacteria also present in sterilized milk?
- Can these bacteria be introduced from the air or from the bread flower?
- Are there other bacteria or toxins that will develop in sterilized milk when exposed to room temperature for a few hours?
Best Answer
Are these bacteria also present in sterilized milk?
If something is sterile, then by definition it does not have any live bacteria in it. That only applies while the milk is sealed in its original sterile container, though.
Can these bacteria be introduced from the air or from the bread [flour]?
Absolutely. There are bacteria and yeast living in the air, flour, and on every surface in your kitchen (including your bread maker). Wild yeast and bacteria in the air and flour are used to make traditional sourdough bread.
Are there other bacteria or toxins that will develop in sterilized milk when exposed to room temperature for a few hours?
I'm not sure how this differs from the above question, so: yes.
Speaking practically, if you are setting the timer for less than 4 hours, I think the risk of getting some sort of illness from this is rather low. The baking process will likely kill the bacteria before they have a chance to produce enough nasty toxins to make you sick. If you refrigerate the milk beforehand, you can even buy yourself a little extra time, since the milk would need to warm up slightly before bacteria could start reproducing in it. I still wouldn't make a habit of this, since there is still some risk of contamination. Leaving milk out on the counter just isn't a good idea, even if it was originally sterile.
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Can I bake with sterilized milk?
You can use sterilised milk in just the same way as you would use fresh milk. Due to the heat treatment, sterilised milk has a slightly sweeter taste than fresh milk, making it particularly good in cooking.Which one of the following is a advantage of the sterilized milk?
Sterilization makes milk lighter as once you have treated milk at ambient temperature, the number of microorganisms turn almost zero. The time you take to process it further is also reduced as the impurities and non-friendly organisms are already eliminated.Is sterilized milk good?
The nutritive value of pasteurized and UHT-sterilized milk changes little by the heat treatment and during storage. In-bottle sterilized milk shows a somewhat greater loss of nutritive value. Of special importance are the decrease of available lysine and the total or partial loss of some vitamins.What happens when milk is sterilized?
In-container sterilization The term 'sterilized' is used to describe milk that has been packed in airtight containers and subjected to temperatures in excess of 100 \xb0C. The severe heat treatment of the milk results in a caramelized, burnt flavor and a brown color. The product is usually packed before heat treatment.This is How Milk Affects Bread Dough | How to Use Milk in Breadmaking
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