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 685
Yam starch, or Guiana arrowroot, is made in the tropics from the tuber-ous roots of Dioscorea alata L., D. sativa L., D. aculeata L., D. glabraRoxb., D. Japonica Thbg., D. nummularia Lam., D. tomentosa Koenig(order Dioscoracea), and other species of this genus. 664 COMMERCML STARCHES. Microscopic… … Fig. 585. Yam Starch. X300. (Moeller.) Forms. The grains are flattened, in outline irregularly ovate orreniform. At the broad end they are often truncated; at the narrowor hilum end, rounded or very indistinctly pointed. Size. Usually the grains are 30-50 /i long, but occasionally reach80 li. The…
