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Table 1.

Diet formulations (parts by weight)

ControlTomato pasteTomato powderPaste/FruHis
Teklad 2014 meal* 70.6 70.6 70.6 70.6 
Cold break tomato paste solids — 7.8 — 7.8 
Cold break tomato powder solids — — 7.8 — 
FruHis — — — 1.5 
Corn starch 3.5 — — — 
Glucose 2.1 — — — 
Fructose 2.2 — — — 
Water 21.6 21.6 21.6 20.1 
Total 100 100 100 100 
ControlTomato pasteTomato powderPaste/FruHis
Teklad 2014 meal* 70.6 70.6 70.6 70.6 
Cold break tomato paste solids — 7.8 — 7.8 
Cold break tomato powder solids — — 7.8 — 
FruHis — — — 1.5 
Corn starch 3.5 — — — 
Glucose 2.1 — — — 
Fructose 2.2 — — — 
Water 21.6 21.6 21.6 20.1 
Total 100 100 100 100 
*

This diet, according to the manufacturer, “is a fixed formula, nutritionally balanced, nonautoclavable diet containing 14% protein and 3.5% fat which supports growth and maintenance. 2014 does not contain alfalfa or soybean meal, thus minimizing the occurrence of natural phytoestrogens. Absence of animal protein and fish meal eliminates the presence of nitrosamines.” The exact composition of the 2014 diet and its nutritional value are given on the manufacturer's website (http://www.teklad.com/globaldiet/g2014.asp).

Main constituents of tomato paste (percent dry weight): carbohydrates (glucose, fructose, etc.), 55%; fat, 0.5%; fiber, 9%; protein, 16%; organic acids, 8%; total ash, 9%.

In tomato powder, free amino acids partially combine with glucose to form up to 8% fructose-amino acids (13), including 0.04% FruHis (20), during the tomato paste drying process at elevated temperatures.

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