When evaluating lettuce knives consumers should first look for products with blades long enough to accommodate the size of their produce.
Cutting lettuce with ceramic knife.
Three different cutting methods were used.
Currently lettuce knives are marketed as preventing the browning process after cutting.
Lettuce was cut by a plastic knife a stainless steel knife and by hand.
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.
Though all lettuce began showing some browning on the ribs after 10 days none showed any signs of browning on the cut or torn surfaces.
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.
Sharp enough for lettuce but gentle enough not to cut our hands.
For a long time i simply assumed that a lettuce knife is made out of plastic for safety.
Many cookbooks still carry the statement that a knife may bruise the leaves this myth seems to have been b.
The knife also should be durable enough to stand up to regular use.
Norpro green lettuce knife 1 pack.
Online shopping for kitchen knives accessories from a great selection of cutlery sets specialty knives sharpeners cutting boards more at everyday low prices.
Plastic knives are non reactive as well.
Cook s illustrated put this claim to the test by conducting an experiment.
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.
Back in the 1970s the company came out with a little plastic knife or corer that it included with its lettuce crisper.
The instructions were to cut out the heart of the lettuce head insert a.
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.