What's the Thin Film Which Peels Off Romaine Lettuce Leaves?

What's the Thin Film Which Peels Off Romaine Lettuce Leaves?

The filmy skin has given rise to speculation that this coating is a kind of raw coating made of ingredients that are black. Lettuce growers point to a natural phenomenon that may occur on both the the organic and nonorganic Romaine.

Peeling Away the Mystery

The majority develops in Arizona. Freezing temperatures can strike the desert at night . When this occurs, ice forms between the leaves’ surface cell layer and the inner cell layers. In response, a phenomenon called an peel occurs, when broken much as human skin may peel. This skin looks filmy, and readily lifts off. Filmy-surfaced romaine lettuce is safe to eat. Removing the peeling coating of any damaged leaves you will boost their texture.

See related