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Cleaning potato starch

 
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cbuck1



Joined: 12 Apr 2012
Posts: 2
Location: Sherman Oaks, CA

PostPosted: Thu Apr 12, 2012 2:31 pm    Post subject: Cleaning potato starch Reply with quote

I have a cleaning question regarding a plastic food storage container. I made a brisket with a sauce that was essentially tomato and onion-based. I thickened it with instant mashed potatoes. Afterward, I stored the extra sauce in a plastic container in the fridge for about a week, then transferred it to a smaller container for freezing.

The problem: There is a ring around the circumference of the container where the top of the sauce sat. It is palpable, which implies to me that it is probably due to potato starch. I have tried soaking it in soapy water and blasting it with very hot water. Nothing has worked. I can't scrub with steel wool without scratching the smooth plastic beneath it. Does anyone have any ideas?
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Dilbert



Joined: 19 Oct 2007
Posts: 1000
Location: central PA

PostPosted: Thu Apr 12, 2012 6:06 pm    Post subject: Reply with quote

oils / fats from the meat/sauce may have caused the plastic to swell -

let it dry thoroughly (slim hope there....)

if you can't scrape it off with a fingernail, it may be a permanent swelling / mark vs. a "deposit"


Last edited by Dilbert on Thu Apr 12, 2012 9:46 pm; edited 1 time in total
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Jim Cooley



Joined: 09 Oct 2008
Posts: 314
Location: Seattle

PostPosted: Thu Apr 12, 2012 6:40 pm    Post subject: Reply with quote

I've gotten strange marks like that after I've microwaved stuff in a plastic container. It's usually where an oily or sugary substance got so hot it melted the plastic a bit.
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cbuck1



Joined: 12 Apr 2012
Posts: 2
Location: Sherman Oaks, CA

PostPosted: Thu Apr 12, 2012 11:00 pm    Post subject: Reply with quote

Jim Cooley wrote:
I've gotten strange marks like that after I've microwaved stuff in a plastic container. It's usually where an oily or sugary substance got so hot it melted the plastic a bit.


It never got hot in the container. I poured the stuff from the gravy boat after dinner into the container. It was room temp by then.
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