, whereas pure bread will remain
pink
. Recent investigations have proved that the presence of alum is extremely injurious, especially to children, affecting the coats of the stomach and impairing the digestion.
2749. Butter
Butter is made heavy by water, being beaten up with it. Cheap samples are sometimes adulterated with other fats and grease, which however require an experienced analyst to detect.
2750. Cayenne Pepper
The cayenne of commerce is adulterated with brickdust, red wood dust, cochineal, vermilion, and red lead. The last two are highly injurious. These can be detected by any one possessing a good microscope. The best way to avoid the impurities is to purchase the capsicums or chilies, pounding them with a pestle and mortar, and rubbing through a sieve, in small quantities as required. The pepper is far better flavoured when fresh ground.
...Beginning, Mean and End to All Things—God.