AOAC SPIFAN Nutrients ERP-Final Review (Jan. 2019)

2017.03 (JULY 2018) Amino-02 Tryptophan by enz hyd_Abbott Labs_Method

FOR ERP USE ONLY DO NOT DISTRIBUTE

HPLC Determination of Total Tryptophan in Infant Formula and Adult/Pediatric Nutritional Formula Following Enzymatic Hydrolysis

Jonathan Draher and Norman White Abbott Nutrition, Division of Abbott Laboratories

I

12.00

11.00

10.00

9.00

TRP_SA - 2.483

5MDLT - 6.175

8.00

7.00

6.00

LU

5.00

4.00

3.00

2.00

1.00

3.106

6.875

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

5.00

5.50

6.00

6.50

7.00

7.50

8.00

8.50

Minutes

Page

25