turning waste into assets

Avocado seeds a source of natural color

CHICAGO (UPI) -- U.S. food scientists say avocado seeds, typicallyconsidered waste by growers, could yield a natural orange coloring foruse in future food products.

In a study published by the Institute of Food Technologists,researchers found that crushing avocado seeds along with air generatesan orange color usable as a natural food coloring.

The discovery represents a potential added value for avocado growersand companies that process avocado into oil or food products such asguacamole, the researchers said.

While artificial colors are easy to produce and less expensive,consumer desire for more natural products here has led to an increasedeffort to discover new natural alternatives.

Scientists at Penn State say further research is under way intoutilizing the seeds, which account for 16 percent of the weight of anaverage avocado.

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