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88. A Technique for the Determination of Lactose in Milk by the Hagedorn-Jensen Method

Published online by Cambridge University Press:  01 June 2009

Janet H. Blackwood
Janet H. Blackwood
Affiliation:
From the Hannah Dairy Research Institute, Kirkhill, Ayr.
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Extract

Iodometric methods have been applied to the determination of lactose in milk by Kolthoff(1), who used freshly precipitated zinc ferrocyanide as protein precipitant, and by Fine(2) who made use of colloidal iron. The reduction of ferricyanide by reducing sugars has been used as a semi-micro method by Issekutz and von Both(3) and has been applied to the estimation of lactose in milk by Gohr(4) who also used ferrocyanide as protein precipitant.

Type
Original Articles
Information
Journal of Dairy Research , Volume 5 , Issue 3 , September 1934 , pp. 245 - 249
Copyright
Copyright © Proprietors of Journal of Dairy Research 1934

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References

REFERENCES

(1) Kolthoff, (1923). Z. Unter. Nahr. Genussm. 45, 141.Google Scholar
(2) Fine, (1932). Biochem. J. 26, 569.CrossRefGoogle Scholar
(3) Issekutz, and Von Both, (1923). Biochem. Z. 135, 46.Google Scholar
(4) Gohr, (1930). Z. für Unters. d. Lebensm. 59, 90.CrossRefGoogle Scholar
(5) Hagedorn, and Jensen, (1923). Biochem. J. 135, 46.Google Scholar
(6) Hanes, (1929). Biochem. J. 23, 99.CrossRefGoogle Scholar
(7) Shaffer, and Hartmann (1921). J. Biol. Chem. 45, 365.CrossRefGoogle Scholar
(8) Fujita, and Iwatake, (1931). Biochem. Z. 242, 43.Google Scholar