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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Will StarSan kill E. Coli, Listeria, Salmonella, etc...?
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Old 01-27-2013, 03:03 PM   #1
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Default Will StarSan kill E. Coli, Listeria, Salmonella, etc...?

I'm just curious as to whether it is effective enough to kill most food borne pathogens. I'm not proposing to spray it on the food, just on counters and items that come in contact, and how effective that is. Usually one wipes counters down with a sponge or paper towel, and this is truly ineffective.

I keep a spray bottle of it around if I've been brewing just because I have it on hand.

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Old 01-28-2013, 09:27 PM   #2
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We actually had a thread on this years ago....When googling the info I had found this from the creator of starsan.

Charlie Talley: When I developed Star in the late 60's (yes I am that old) it was tested against S. aurous, E. coli, L. bacillus, A. Niger and a few other nasty bacteria. All were at 10 to 30,000,000 colonies per cc. The contact time was at 30, 60, and 120 seconds. The end result was 10 to 30 colonies per cc after 30-second contact time and 0 after 60 seconds of contact time. Since our EPA will only recognize the 120-second contact time that is why it is on our label. So as you can see it is very effective with just a 20 second contact time.

The ingredients that are in Star San are based on food grade or G.R.A.S. materials (Generally Recognized as Safe). They are phosphoric acid, dodecyl benzene sulfonic acid (DDBSA), propylene glycol, and a coupling agent. When it is diluted to 300 ppms one ounce per 5 (US) gallons of water or 1.5-1.6 mls/liter the actives are 300 ppms of DDBSA and 930 ppms of phosphoric acid. This will produce an end pH of 2.5 to 3.5 (depending on the alkalinity of the water used for make up.

As you can see a former member Chad, who is a chef author uses it in his kitchen all the time, as do I.

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