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Table 3 Recovery in the lumen of the gastro-intestinal compartments, digestibility and losses of dietary nitrogen in rats 5 h after the meal

From: Rapeseed and milk protein exhibit a similar overall nutritional value but marked difference in postprandial regional nitrogen utilization in rats

 

Acute

Chronic

 

Dietary nitrogen

MPI

RPI

MPI

RPI

 

(% of ingested) in:

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Stat effecta

Stomach

5.23

4.59

3.02

2.14

5.28

5.48

5.32

4.83

NS

Intestine

1.62ab

0.51

2.18a

0.23

1.32b

0.13

2.32a

0.75

PS: P < 0.001

Cecum

2.08

0.47

1.61

0.50

2.20

1.11

1.92

0.38

NS

Proximal colon

0.67

0.49

0.56

0.31

0.21

0.16

0.40

0.18

A: P < 0.05

Distal colon

0.15

0.20

0.41

0.46

0.28

0.52

0.21

0.24

NS

Digestives losses b

2.9

0.7

2.6

0.6

2.7

1.2

2.5

0.5

NS

Ileal digestibility c

95.2

1.0

95.1

0.5

95.8

1.1

94.9

1.1

NS

Deamination d

11.4

1.7

11.7

3.2

13.2

2.9

14.1

5.0

NS

Total losses

14.4

1.9

14.2

3.3

15.9

2.7

16.6

5.3

NS

  1. NS: not significant, PS: protein source, A: adaptation. aTwo way ANOVA; b Recovery in cecum and colon content at 5 h (% of ingested N); cReal ileal digestibility (see Material and methods); d Recovery in body and urinary urea. Means within a row with different letters are significantly different (P < 0.05, Tukey post-hoc test)
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Nutrition & Metabolism

ISSN: 1743-7075

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