The globulins of rice, oryza sativa

Dec., 1927.1

U.

S. BUREAU

OF CHEMISTRY

NOTES.

Sodium aluminate, which produces an effect of bentonite, is already in use with satisfactory manufacture of corn sugar and corn syrup. THE

GLOBULINS By D. Breese

OF RICE, Jones

ORYZA

and Charles

similar results

819 to that in the

SATIVA.

E. F. Gersdorff.

[ABSTRACT.]

Two globulins have been isolated from the endosperm of These proteins differ both in the temperatures rice, Oqzn satim. at which they coagulate (74 and 90~ C.), and also in their eleThe presence mentary composition and distribution of nitrogen. of albumin could not be detected. The globulin, albumin, and alcohol-soluble fractions obtained from commercial rice bran were also studied. THE

EVALUATION By W.

C. Holmes

OF

ETHYL

EOSINP

and J. T. Scanlan.

[ABSTRACT.]

SUITABLE gravimetric methods for the determination of eosin and ethyl eosin in samples of the latter dye are described. The methods are based upon the extreme difference in the solubility in water of the two dyes, and upon the insolubility of their color acids. 4Published ‘Published

in Jour. Biol. Chcna., 74, No. 3, September, 1927, pp. 415-426. in Stain Technology, 2, No. 4, October, 1927, pp. 101-103.