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Lettuce Knife Prevents Browning Questions

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Lettuce Knife Prevents Browning Questions

Chemicalkinetics | Jun 14, 2012 07:44 PM

I have a few questions about the lettuce knives. To those who do not know what I am talking, a lettuce knife refers to a hard plastic serrated knife specializes to cut lettuce.

http://www.amazon.com/Zyliss-31612-Le...

For a long time, I simply assumed that a lettuce knife is made out of plastic for safety: sharp enough for lettuce, but gentle enough not to cut our hands.

However, a few week ago, I read a post on CHOWHOUND that a lettuce knife is made out of plastic in order to reduce the lettuce from oxidizing and browning. I then checked online and found out that "prevention of browning" is indeed a major selling point for the plastic serrated knives.

"The clear plastic blade will prevent lettuce from bruising or browning"

http://www.oxo.com/p-489-lettuce-knif...

While I know carbon steel knives can induce oxidization of vegetables, I have not experienced stainless steel knives doing so.

So my questions to you are:

1) Do you have a plastic lettuce knife?

2) Do you believe that a plastic serrate knife reduces the lettuces from browning more so than a stainless steel knife?

3) If you do NOT believe the anti-browning property, then is there any major reason to own a lettuce knife?

Thanks.

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