And, amid these rich and potent devices of the culinary art (not one of which, probably, had been tested, within the memory of any man's grandfather), poor Hepzibah was seeking for some nimble little titbit, which, with what skill she had, and such materials as were at hand, she might toss up for breakfast.
Early kraft pulp mills discharged black liquor to watercourses. Black liquor is quite toxic to aquatic life, and causes a very dark caramel color in the water. The invention of the recovery boiler by G.H. Tomlinson in the early 1930s, was a milestone in the advancement of the kraft process.
Spinach is high in iron and this may cause stools to appear black. However, in my experience, I have another explanation. I juice a lot of spinach, enough to sometimes make an 8 ounce glass of juiced produce, that includes fruits, green (unless I add some beet). Drinking all that deep green from the spinach can have a striking effect on the color of your stools. One day I noticed my BMs were nearly blackânot like the color of coal, but near black enough to grab my attention. I had ingested a larger-than-usual amount of spinach.