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Table 2. Method Performance Requirements for Total Choline (SMPR 2012.013)

Analytical range

2-250

a

Limit of detection (LOD)

0.7

a

Limit of quantitation

2.0

a

Repeatability (RSD

r

)

2

a

”

20

a

”

100

a

200

a

Recovery

90 to 110% of mean spiked recovery over the range of the

assay

Reproducibility (RSD

R

)

2

a

”

20

a

”

100

a

200

a

a

mg/100 g Concentrations apply to: (1) “ready-to-feed’ liquids “as is”; (2) reconstituted powders (25 g into 200 g water);

and (3) liquid concentrates diluted 1:1 by weight. For all concentrations, choline will be expressed as mg/100 g

reconstituted liquids. Report as total choline.

Table 3. Method Performance Requirements for L-Carnitine (SMPR 2012.010)

Analytical range

0.16-20

b

Limit of quantitation (LOQ)

”

b

Repeatability (RSD

r

)

0.16-20

b

”8%

Recovery

90 to 110% of mean spiked recovery over the range of the

assay

Reproducibility (RSD

R

)

0.16-20

b

”

a

Concentrations apply to: (1) “ready-to-feed’ liquids “as is”; (2) reconstituted powders (25 g into 200 g water); and (3)

liquid concentrates diluted 1:1 by weight.

b

mg/100 g reconstituted final product.

Chol-08/Carn-07 (February 2016)

FOR ERP USE ONLY

DO NOT DISTRIBUTE