The inside grain of canaryseed is called the "groat" or "caryopsis." These are covered in a protective hull covered in tiny, tiny silica fibers (spicules). To give you an idea of the size of these microscopic silica fibers, at their base they are about one fourth the diameter of a human hair. At the tip, they’re even smaller.

While the hulls with the silica hairs can indeed be separated from the groats, the spicules on traditional canaryseed are so tiny that during a mechanical dehulling process it would be impossible to avoid some contamination of the groats. For this reason, we advise people to avoid consumption of traditional canaryseed in any form.

Some researchers have also experimented with removing the spicules using chemical processes, but initial experiments did not remove 100% of the spicules.

Why go to the extra effort when Silica Fiber Free™ canaryseed already exists?

It’s much easier and more cost effective simply to buy and use Silica Fiber Free™ canaryseed. Please note that there are no chemicals used in the processing of Pureza canaryseed. It is naturally Silica Fiber Free™.

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