runner mill with ti small quant,ity of :at? and the DU P obtained was was apainpround.
STARCH FROM GRAM
Three
starch milk thrn obtained were collected, coneent,rated to a solids content of about 13 DOT cent bv J. L. SARIN AND M. H.OURESHI sedimentation: drawn 06 Government Industrial Research Laboratory, into an alkali (ank, and treated wit,h 0.15 per cent P. 0. Shahdara Mills, Lahore, India of sodium livdnixide solution. This "neutrslxzes t,he acidity of tho liquor and iacilitriies the seeparat i u n of the o i l y v and glutinous material of the starch. The alkaline stareh~mclk starch milk was RAM (Cicer arietinurn) is probably the most important ,I>! I t ) , ! h . 1 1 , L \ i , l l I 1 :).:$:a IG. 11.
-
43 81 45 43
Gram Farina Maize Wheat
00
B
10 Min. 40 750 55 46 120 Min. 44 60 43 41
15 Min. 40 514 51 47
20 Min. 40 454 50 44
25 Min. 40 290 49 45
30 Min. 40 243 49 45
60 Min. 42 158 47 43
180 Min. 240 Min. 300 Min. 360 iMin. 45 45 44 47 41 38 36 35
..
.. ....
.. ..
Proposed Uses
0
SO
100 150 200 TIME, MINUTES
ex,
MO
350
Viscosity determination of the starch shows t h a t it can be utilized for textile sizing, since its viscosity varies little over a wide temperature range. Actual tests carried out a t the FIGURE 3 ( T o p ) . GELATINIZATION TEMPERA- Government Institute of Dyeing and Calico Printing a t Shahdara showed that it is suitable for giving light finishes to TURE FROM ~ / & ~ E C O N D VISCOSITY MEASURE- cotton, wool, and silk cloth. MENTS
OF CONTINUED HEATINQ AT 90" FIGURE 4 (Center). EFFECT ON VISCOSITY CHANGES (IN SECOND)'
Literature Cited
c.
FIGURE 5 ( B o t t o m ) . VISCOSITY OF CONSTANTLY AGITATED SECOND) STARCH PASTES (IN
(1) Handbook of Commercial Information for India, 1937. (2) Watt, G., "Commercial Products of India," 1908.
RECEIVED June 3, 1938.
