Should I cut off the brown streaks on my apple?

January 28, 2017

 

 

 

What you see: Rough, brown apple skin, particularly around the stem, sometimes descending down the fruit in lines

What it is: Russeting

Eat or toss? Eat! Russeting affects the appearance of the skin, but has no negative impact on the flavor or nutrition of the fruit.

 

Every so often I get these apples that look like they suffered a sad, fizzled firework burst around their stems. They look weird, but they're nothing to worry about, just something called russeting. Such russeting is caused by damage to epidermal cells, which can stem (ha!) from a number of causes, ranging from cold temperatures to over-fertilization, while they were growing.

 

Russeting is often connected to moisture early in the growing season—water actually collects in the little basin at the top of the apple, which prompts the apple to create those corky cells. When you imagine water pooling and then spilling over the sides of the apple, that uneven starburst shape starts to make sense. 

 

While it commonly looks something like the apple pictured above, the extent to which the corky texture can cover the apple varies greatly. Certain varieties are more predisposed to russeting; it's particularly common in Golden Delicious apples. Some say that russeting even improves the taste. 

 

"I've never seen any data to support it," said Rich Marini, a Penn State horticulture professor who specializes in tree fruits.  "But I've always felt that a russeted Golden Delicious tastes better than one without it."

 

You'll also see more russeting in apples grown on the East Coast than you will in those grown in, say, Washington state. The reason? The East has wet springs, while Washington's orchards are typically located in drier areas. 
 

 

 

SOURCES:

Rich Marini - Professor of Horticulture - Penn State University

Kansas State Research and Extension - Problem: Apple Russeting

Apple Russeting - University of Minnesota Extension. 

We're Throwing Away Tons of Fruits and Veggies for Not Being Pretty Enough. Washington Post.

Apple Skin Russeting - eXtension.org

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© 2019 by Eat Or Toss.

Content may not be duplicated without express written permission from EatOrToss.com. All information posted on this blog is thoroughly researched, but is provided for reference and entertainment purposes only. For medical advice, please consult a doctor. Please see our terms