The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures (1916)
Winton, Andrew Lincoln, 1864-1946, Moeller, Josef, 1848-1924, Winton, Kate Grace Barber, Mrs · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 477
w-grade teas often contain tea stems, 45 ALK/ILOIDAL PRODUCTS. and sometimes tea fruit. Facing, although objectionable, is not usuallyregarded as an adulteration.^ Exhausted Tea. Leaves which have been used once for the prepara-tion of the beverage are said to be collected in England, Russia,… … Fig. 358. Tea. Tissues of leaf isolated by warming in alkali and squeezing wnth coverglass, g spiral vessels of nerves; p chlorophyl parenchyma; st stone cells; h hairs. X160. (MOELLER.) particularly determinations of hot-water extract, tannin, total and water-soluble ash. Tea Fruit. Soltsien has…