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 454
portance (Fig. 339). DIAGNOSIS. Coffee reaches the consumer either green (unroasted) or roasted,and in the latter case either whole or ground. Roasting, as ordinarilyconducted, changes the color of the bean to a rich brown which rendersmost of the microchemical tests of little value, but does not… … 434 yiLKALOlD/tL PRODUCTS. presence of the spcrmodcrm or chaff in the cleft. The spcrmodermwithout special preparation is readily identified under the microscope bythe more or less isolated sclerenchyma cells; the endosperm, in section,by the knotty-thickened walls, and the absence of more than the…
