AOAC Methods for Review in Codex STAN 234_11-2018
Table 11. Amount of spike and recoveries for spiked replicates Mineral Enteral RTF soy AOAC Official Methods Listed in CXS 234 for Milk and Milk Products
100
Whey powder
Soy powder
Ca
Spike, mg/g Recovery, %
0.36
0.6
4
4.4
113, 113, 98 a
95, 127 a
105
90, 129
Mg
Spike, µ g/g Recovery, %
119
64
300
500
113, 111, 104 a
106, 109 a
93
84, 99
Zn
b — b
Spike, µ g/g Recovery, %
7.5
20–40
42
90, 119, 103 a
122, 115 a
—
105, 100
Cu
Spike, µ g/g Recovery, %
0.6
0.8
2–4
4
68, 123, 90 a
104, 86 a
90
95, 90
Fe
Spike, µ g/g Recovery, %
5
15 81
50
80
125, 103, 96 a
104, 91 a
89
Mn
Spike, µ g/g Recovery, %
0.8
0.2
1
2
119, 105, 101 a
98, 87 a
118
87, 86
K
Spike, mg/g Recovery, %
0.75
0.6
5
6
101, 104, 103 a
98, 125 a
96
86, 100
Na
Spike, mg/g Recovery, %
— —
0.8
1–3
3
97, 75, 106 a
98, 95 a
88, 110
P
Spike, mg/g Recovery, %
0.5
0.3
1–3
4
a 101 a
108, 101, 102 a
96 a
93, 100
a In-house determination. b —, not added to spiking solution.
10/9/2018
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