AOAC RI ERP E-Book - DS DF
OMA 2014.10 C: Collaborative Study Manuscript Expert Review Panel Use Only September, 2017
2013 Dietary Starch in Animal Feeds Collab Study Protocol 072513
Table 2. Results of determinations of free glucose and starch + maltooligosaccharides corrected for free glucose for food and feed samples (dry matter basis) Hot water Acetate buffer Extension of AOAC 996.11
Sample
DM a , %
Mean
s r b
Mean
s r b
Mean
s r b
Free glucose Alfalfa silage
90.0 93.5 91.1 90.4 92.2 91.4 90.9 93.5 91.1 90.4 92.2 91.4 90.9
0.12 0.44 0.05 0.18 0.08 0.07 0.17
0.00 0.00 0.00 0.01 0.00 0.00 0.02
0.14 0.38 0.07 0.20 0.04 0.04 0.13 75.6 37.1 83.3 50.1 79.6 0.8 1.6
0.00 0.00 0.00 0.01 0.00 0.00 0.00
0.12 0.18 0.07 0.02 0.05 0.02 0.05 1.4 70.4 34.2 82.4 0.9 48.1 74.8
0.01 0.00 0.00 0.02 0.00 0.02 0.02
Corn grain, ensiled
Corn silage
Rice
Soybean meal Split peas Wheat flour
Starch + maltooligosaccharides corrected for free glucose Alfalfa silage 90.0 1.5 0.1
0.0 0.8 0.4 1.3 0.0 0.7 0.2
0.0 0.2 0.9 0.1 0.0 0.1 0.1
Corn grain, ensiled
69.0 7.3 82.0 1.4 48.4 74.3
0.1 0.8 0.4 0.0 0.3 0.5
Corn silage
Rice
Soybean meal Split peas Wheat flour
Average of feed/food samples Mean
40.6
46.9 0.48 1.55
44.6 0.20 0.78
s r b
0.31 2.57
CV% c
a DM = dry matter b s r = standard deviation of replicates c CV% = coefficient of variation; (s r / mean) x 100
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