LITERATURE CITED. 



(1) Atwater, W. O., and Bryant, A. P. 



1906. The chemical composition of American food materials. U. S. 

 Dept. Agr., Office Exp. Sta. Bui. 28, rev., 87 p., 4 fig. 



(2) BiGELow, W. D., and Catiicart, P. H. 



1921. Relation of processing to the acidity of canned foods. Bui. 

 17-L Research Lab., Nat. Canners Assoc, 46 p., 16 fig. 



(3) Browne, O. A. 



1912. Handbook of Sugar Analysis . . . xi, 787, 101, Ixxi p., 200 fig. 

 Bibliographical footnotes. 



(4) Campbell, G. H. 



1920. To prevent discoloration of sweet potatoes in cans. In West. 

 Canner and Packer, v. 12, no. 2, p. 11. 



(5) Carver, G. W. 



1918. How to make sweet potato flour, starch, sugar, bread and mock 

 cocoanut. Ala. Tuskeegee Agr. Exp. Sta. Bui. 37, 6 p. 



(6) Gore, H. C. 



1921. Preparation of sweet potato sirup. In Chem. Age, v. 29, no. 4, 

 p. 151-153, 1 fig. 



(7) Harrington, H. H. 



1895. Water and sugar in sweet potatoes, as influenced by keeping. 

 In Tex. Agr. Exp. Sta. Bui. 36, p. 628-629. 



(8) Hasselbeing, Heinrich, and Hawkins, Lon A. 



1915. Physiological changes in sweet potatoes during storage. In Jour. 

 Agr. Research, v. 3, no. 4, p. 331-342. Literature cited, p. 341-342. 



(9) 1915. Respiration experiments with sweet potatoes. In Jour. Agr. 

 Research, v. 5, no. 12, p. 509-517. Literature cited, p. 517. 



(10) 1915. Carbohydrate transformations in sweet potatoes. In Jour. Agi-. 



Research, v. 5, no. 13, p. 543-560. 



(11) Keitt, T. E. 



1909. Sweet potato work in 1908. S. C. Agr. Exp. Sta. Bui. 146, 21 p. 



(12) 1911. The formation of sugars and starch in the sweet potato. S. O, 



Agr. Exp. Sta. Bui. 156, 14 p. 



(13) 1912. Sweet potato investigation. S. C. Agr. Exp. Sta. Bui. 165, 43 p. 



(14) Kohman, Edward F. 



1921. Discoloration in canned sweet potatoes. In Jour. Indus, and 

 Engin. Chem., v. 13, no. 7, p. 634-635. 



(15) McDonnell, C. C. 



1908. The manufacture of starch from sweet potatoes. S. C Agr. Exp. 

 Sta. Bui. 136, 50 p., 5 fig., 4 pi. (in text). 



(16) Mangels, C. E., and Prescott, S. C. 



1921. Manufacture of sweet potato flour by the " flake " process... In 

 Chem. Age, v. 29, no. 4, p. 132-135, 1 fig. 



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