How much of an apple is safe to eat?

PHILADELPHIA (WPVI) -- Apples are great for you and full of good bacteria. But a new report from Graz University of Technology, Austria shows the majority of the helpful bacteria is in the core and eating the entire apple - core, seeds and all - is best.

It also says organic are better because they have a wider variety of the good gut bacteria.

Action News asked Emily Rubin, a registered dietitian with Jefferson University Hospital for her insight.

How much of the apple do you eat?
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Rubin says eating the core and skin are definitely beneficial but she cautions against eating the seeds.

The seeds contain amygdalin, a substance that releases cyanide when it comes into contact with human digestive enzymes.

A small amount is okay but if you go overboard, it can cause problems.

But eating an apple, core and skin has numerous health benefits. It has pre-biotics and pro-biotics, plus antioxidants and fiber.
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