[NAFEX] Scientist invents sunscreen for fruit

Brungardt, Sam Sam.Brungardt at state.mn.us
Wed Mar 23 09:51:06 EST 2005


Scientist invents sunscreen for fruit 
March 22, 2005 
Associated Press 
WENATCHEE, Wash. -- A Washington State University scientist has invented
sunscreen for apples. 
Larry Schrader is a research professor at the Tree Fruit Research and
Extension Center in Wenatchee.  His invention is called Raynox, because
it knocks the sun's rays. 
It's a waxy liquid made from Carnauba wax, a natural ultraviolet B
blocker, found on leaves of Carnauba palm trees in northern Brazil.
Sprayed on apples, it reduces sunburn by an average of 50 percent. 
Schrader found that apple cells die when the surface of the fruit
reaches 126 degrees.  The damage causes the apples to be rejected as
culls. 
He estimates eight to 10 percent of Washington's apple crop has been
lost every year to sunburn. 

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