AOAC Methods for Review in Codex STAN 234_11-2018

AOAC Official Methods Listed in CXS 234 for Milk and Milk Products

92

Table 3. Results for determination of zinc ( µ g/g) by AOAC Official Method 985.35 in soy, whey, and enteral formulae

Youden pair

Youden pair

Enteral sample 7

RTF soy sample 2

RTF soy sample 6 a

Soy powder sample 1 b

Soy powder sample 5 b

RTF soy sample 4 a

Whey powder sample 3

Laboratory

1 2 3 4 5 6 7 8

12.8 10.2 11.0 9.8 11.0 10.9 11.4 11.1

7.40 7.46 8.00 6.67 7.00 8.31 7.50 7.65

5.92 5.96 7.00 5.63 6.00 6.13 6.70 6.45

7.70 6.81 7.00 5.96 6.00 6.46 6.70 6.72

47.6 40.1 41.0 38.8 43.0 39.8 46.1 45.3

50.7 42.9 44.0 42.7 45.0 44.5 47.5 50.2

53.2 47.3 45.0 43.5 48.0 47.5 51.5 50.7

6.45 a 0.43 a

44.3 b

48.4

Mean

11.0

7.50

0.87 b

s r

6.7 a

2.0 b 3.2 b 7.3 b

, %

RSD r

0.51 a

s R

0.89

0.52

3.2 6.6

7.9 a

, %

8.0

6.9

RSD R

a Youden closely matched pairs. b Youden closely matched pairs.

10/9/2018