AOAC OMB Final Action Recommendation (December 2019)-2016.14

2016.14 (Jan. 2019) FOS-03 MLT Report FOR ERP USE ONLY DO NOT DISTRIBUTE

Table 2. Results of practice sample a

Batch of sucrase mixture

Repetition with sucrase mixture (batch C)

Result of 1 st analysis

Lab code

Mean, g/100 g

Mean, g/100 g

1 2 3 4 5 6 7 8 9

C A B C B B B A

0.265 0.292 0.219 0.237 0.259 0.259 0.210 0.270 0.232 0.273 0.267 0.249 e

0.255

Unable to report results

0.277 b 0.278

Not repeated

10 11 12 13 14

Unable to report results

B

0.284 c

? d

B B

Not repeated 0.246 – 0.252 f

a Results are reported in g/100 g of product as reconstituted (25 g product + 200 g water) b One replicate analysed with MLT samples Day 1 and a second replicate with Day 2 c Single analysis d Batch unknown but according to the purchasing date, expected to be a satisfactory batch e Blank measurements not performed f Analysis repeated twice, once with MLT samples Day 1 and once with MLT samples Day 2

Table 3. Statistical evaluation of practice sample a

Requirements (SMPR 2014.002)

≤ 6 %

≤ 12 %

Mean, g/100 g 0.266 d

Sample name

n b

RSD r , %

RSD R , %

Child formula powder

9 c

2.5

6.7

Child formula powder

7

0.242 e

1.6

9.2

a Results are reported in g/100 g of product as reconstituted (25 g product + 200 g water) b Number of laboratories considered in the evaluation c Lab 11 eliminated because of single analysis. Lab 14 data obtained on Day 1 taken into account

d Results obtained with satisfactory batches of sucrase enzyme mixture e Results obtained with unsatisfactory batch (B) of sucrase enzyme mixture