AOAC SPIFAN ERP Meeting Book-March 16, 2016

FOS-01 w/SLV FOR ERP USE ONLY DO NOT DISTRIBUTE

Spike Recovery

spike level

SPIFAN CODE

Product

Native level

+ Spike Level 1 Avg (%) RSD %

SRM 1849a

CLC10-b

5

<0,03

98,2

1,7

spiked with Orafti P95

infant powder partially hydr Milk based

1172572116

1

<0,03

99,8

0,4

spiked with Nutraflora P95

infant powder partially hydr Soy based Adult nutr powder low fat Infant elemental powder Infant formula powder Milk based Infant formula powder Soy based Infant formula RTF Milk based

117257651Z 00394RF00 00403RF00

0,05 0,05

<0,03 <0,03 <0,03

101,4 107,1 101,5

1,7 7,2 3,5

spiked with HP inulin

spiked with Nutraflora P95

1

spiked with Orafti P95

D04HTCVV

5

<0,03

96,9

1,6

spiked with HP inulin

E29JVLV

5

<0,03

98,4

5,5

spiked with Nutraflora P95

SPIFAN Control milk form EV4H2R

0,05

<0,03

100,8

2,3

spiked with Orafti P95 spiked with HP inulin

Adult nutr RTF high Protein

00730RF00

1

<0,03

98,8

1,2

The average recovery for the different levels of spiking ranges from 96.9 to 107.1%, for which 107.1% seems to be a higher value in the series of recovery results. It is clear that this value is for spiking at the lowest level which generates the highest error. The RSD ranges from 0.4 to 7.2%, for which the highest value is also the lowest spiking level. The overall average recovery is 100.3%

p.7