Cutting Lettuce With Ceramic Knife

The knife also should be durable enough to stand up to regular use.

Cutting lettuce with ceramic knife.

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. When evaluating lettuce knives consumers should first look for products with blades long enough to accommodate the size of their produce. Back in the 1970s the company came out with a little plastic knife or corer that it included with its lettuce crisper. Plastic knives are non reactive as well.

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. Cook s illustrated put this claim to the test by conducting an experiment. 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. Many cookbooks still carry the statement that a knife may bruise the leaves this myth seems to have been b.

The frequent admonishment to never cut lettuce with a knife lest the cut edges turn brown faster than hand torn lettuce leaves is a myth. The instructions were to cut out the heart of the lettuce head insert a. 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.

Currently lettuce knives are marketed as preventing the browning process after cutting. Two weeks later the torn lettuce was the last to brown on its edges compared to the 12 days until browning for the heads cut with the metal knives and the 13 days until browning cut with the. Lettuce was cut by a plastic knife a stainless steel knife and by hand. 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.

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. Three different cutting methods were used.