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

2017.03 (JAN 2019) Amino-02-(ERP Review for Pubs) Tryptophan by enz hyd_Abbott Labs_Method_10172018

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

J. FIGURES FIGURE 1 Typical 5/50 Standard Chromatogram

13.00

12.00

11.00

10.00

TRP_SA - 2.486

9.00

5MDLT - 6.184

8.00

7.00

LU

6.00

5.00

4.00

3.00

2.00

1.00

0.00

8.50

8.00

7.50

7.00

6.50

6.00

5.50

5.00

4.50

4.00

3.50

3.00

2.50

2.00

1.50

1.00

0.50

Minutes

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