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 624
rhizome (round turmeric) is ovate or pear-shaped, up to4 cm. long and 3 cm. thick (Fig. 515). The upper part is encircled by-leaf-scars, the lower part is marked by scars of the secondary rhizomesand roots. It is sliced before drying. The secondary rhizomes (longturmeric) are 0.5-1.5 cm. thick,… … Fig. 515. Turmeric {Curcuma longa). Primary (round) and secondary (long) rhizomes.(Hager.) curcumin liberated from the oil cells imparts a deep-yellow color. ^\sfound on the market, the product is hard, tough, and sinks in water.The fractured surface is smooth, waxy, of an orange-yellow color.…