What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
Any of a class of enzymes found especially in cereals and yeast which convert phytic acid to myo-inositol and phosphoric acid.
Early 20th century; earliest use found in Journal of the Chemical Society. From German Phytase from ancient Greek ϕυτόν plant + German -ase.