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Cutting lettuce with ceramic knife.
Lettuce was cut by a plastic knife a stainless steel knife and by hand.
For a long time i simply assumed that a lettuce knife is made out of plastic for safety.
Three different cutting methods were used.
Onupgo plastic kitchen knife set with serrated cutting edges kids safe chef nylon knife children s cooking knives for fruit bread cake lettuce and salad green 4 6 out of 5 stars 270 3 99 3.
After 12 days the heads cut with metal knives showed faint signs of browning on these surfaces and the lettuce cut with the plastic knife followed a day later.
Cook s illustrated put this claim to the test by conducting an experiment.
Plastic knives are non reactive as well.
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.
The instructions were to cut out the heart of the lettuce head insert a.
A lettuce knife is a kitchen knife that is usually molded from nylon or another synthetic material to help cut lettuce stay fresh longer than it would if it were cut with a regular knife blade.
The knife also should be durable enough to stand up to regular use.
Sharp enough for lettuce but gentle enough not to cut our hands.
Norpro green lettuce knife 1 pack.
When evaluating lettuce knives consumers should first look for products with blades long enough to accommodate the size of their produce.
Currently lettuce knives are marketed as preventing the browning process after cutting.
Many cookbooks still carry the statement that a knife may bruise the leaves this myth seems to have been b.
Back in the 1970s the company came out with a little plastic knife or corer that it included with its lettuce crisper.
Online shopping for kitchen knives accessories from a great selection of cutlery sets specialty knives sharpeners cutting boards more at everyday low prices.