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Relationship in Protein Concentration between Whole Oats and Oat Groats 1
Author(s) -
Youngs V. L.,
Senturia Jerome
Publication year - 1976
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1976.0011183x001600010021x
Subject(s) - avena , biology , zoology , food science , agronomy
We tested the feasibility of predicting protein concentration in either whole oats or oat groats if protein in one is known. Kjeldahl protein was determined on the whole oats and in the corresponding oat groats of 18 cultivars, most of which were grown at three U.S. locations over 2 years (105 samples). The regression equation wasP ∘ G= 0.81 + 1.27 P O , whereP ∘ G= predicted oat groat and P O = whole oat protein concentrations. Correlation between observed whole oat and oat groat protein was 0.98 significant at the 1% level of significance. The 95% confidence interval for predicting individual values of oat groat protein included a range of values falling within ±1.9 percentage points of the regression line,P ∘ G . The regression equation was tested with 12 additional groups of samples (311 samples) grown under less homogeneous experimental conditions. The mean square error of all samples compared toP ∘ Gwas 0.98. Oat groat kernel weight and groat yield were also determined for all samples. Correlations between these quality characteristics and groat protein concentration were very low.