"Theine" Quotes from Famous Books
... spilt upon buff-coloured cottons dyed with iron. A constituent called Theine has also been discovered in tea, supposed to be identical with Caffeine, one of the constituents of coffee. Liebig says, "Theine yields, in certain processes of decomposition, a series of most remarkable products, which have much analogy with those derived from uric acid in similar circumstances. The infusion of tea differs from that of coffee, by containing iron and manganese. ... — The Book of Household Management • Mrs. Isabella Beeton
... only one of the ingredients that interests us, was discovered by Hunge in 1821 and recognized as an alkaloid by Herzog. It also exists in tea, formerly known as "theine" which is now known to be identical with caffeine; both are expressed by the formula C8H10N2O2H2O. It crystallizes in fine, silky needles, is colorless, ... — The Medicinal Plants of the Philippines • T. H. Pardo de Tavera |