AOAC Methods for Review in Codex STAN 234_11-2018

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

86

Table 985.35A. Method performance for determination of minerals in infant formula by atomic absorption spectrophotometry a

r b

R c

Mean, µ g/g

, %

, %

Infant formula

s r

s R

RSD r

RSD R

Calcium

Enteral 7

660 808 660

70 81 73

11 10 11

196.0 226.8 204.4

RTF d soy 2

RTF soy (4 and 6) e Soy powder (1 and 5) e

36

5.4 6.1

100.8 896.0

5270 3510

320

482 194

9.2

1349.6

Whey powder

5.5

543.2

Magnesium

Enteral 7

208

12.7 3.7 3.8 24.1 17.6

6.8 5.3 3.8 5.3 4.8

35.6 10.4 10.6 67.5 49.3

RTF soy (2 and 6) e,f

69.9

3.1

4.4

8.7

RTF soy 4

101 454 367

Soy powder (1 and 5) e

15.8

3.5

44.2

Whey powder 3

Zinc

Enteral 7 RTF soy 2

11.0

0.89 0.52 0.51

8.0 6.9 7.9 7.3 6.6

2.49 1.46 1.43 8.96 8.96

7.50 6.45

RTF soy (4 and 6) e Soy powder (1 and 5) e

0.43 0.87

6.7 2.0

1.20 2.44

44.3 48.4

3.2 3.2

Whey powder 3

Copper

Enteral 7

1.02

0.12

12 13 11

0.34 0.30 0.17 0.84 0.64

RTF soy (2 and 4) e

0.80 0.056

0.106

7.0

0.157

RTF soy 6

0.56 3.90 4.76

0.06 0.30 0.23

Soy powder (1 and 5) e

0.19

4.8

7.6 4.8

0.53

Whey powder 3

Iron

Enteral 7

10.1 12.8 13.5 89.6

0.6

5.9 4.1 4.1 8.4 4.8

1.68 1.48 1.57

RTF soy (2 and 4) e

0.53

0.53 0.56

4.1

1.48

RTF soy 6

Soy powder (1 and 5) e

5.6

7.6 4.5

6.2

15.7

21.28

Whey powder 3

95

12.6

Manganese

Enteral 7

1.67

0.10

6.1

0.28

RTF soy (2 and 6) e

0.305 0.015

0.026 0.056

4.8

8

0.042

0.073 0.157

RFT soy 4

0.408

14 14 11

Soy powder (1 and 5) e

2.87 0.87

0.32

0.40

11.0

0.896

1.12 0.26

Whey powder 3

0.093

Potassium

Enteral 7 RTF soy 2

1340 1050

85 28 18

6.8 2.7 2.1 5.6 3.0

238

78.4 50.4

RTF soy (4 and 6) e,f Soy powder (1 and 5) e

840

14

2.0 2.0

39.2 358.4

6390 5080

128

356 153

996.8 428.4

Whey powder 3

10/9/2018