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Colorimetric Determination of Protein in Feed and Forage Crops 1
Author(s) -
MacKenzie Arnold J.,
Perrier Eugene R.
Publication year - 1969
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1969.00021962006100020049x
Subject(s) - kjeldahl method , forage , agronomy , orange (colour) , nitrogen , chemistry , biology , food science , organic chemistry
A colorimetric method using Orange G dye for the determination of protein in feed and forage crops is described. With each of six crops tested, a good correlation was found between Kjeldahl nitrogen percentage and the dye‐binding characteristics of the plant proteins. The method is reproducible, rapid and easily adapted to a simplified routine operation.