unbleached

In a heating experiment, the team determined that both thermally stressed and bleached coral exude a different composition of organic matter in response to thermal stress as compared to unbleached coral.

The researchers used five flours that included gluten: unbleached all-purpose flour, red turkey wheat, emmer, rye and einkorn; and five gluten-free flours: teff, millet, sorghum, buckwheat and amaranth.

Hazmat workers moved in to test the substance and found that it was unbleached flour.

The pulp and paper mill makes about 1,800 tons of unbleached paper and corrugate medium each day.

Bleached flour is treated with chemical agents to create a softer flour with a bright white hue, while unbleached flour is off-white with a denser grain.