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

AOAC Research Institute ERP Use Only

19 of 32

Made with FlippingBook HTML5