Altered Nitrogen Balance and Decreased Urea Excretion in Male Rats Fed Cafeteria Diet Are Related to Arginine Availability

Table 2

Organ and tissue weights of male rats fed a cafeteria diet for one month compared with controls fed a standard rat chow diet.

Tissue/organ	Control (g); (𝑛=6)	Cafeteria diet-fed; (g) (𝑛=6)	𝑃
Skeletal muscle	143±4	164±5	0.007
Skin	54.8±1.14	55.5±3.84	NS
Liver	9.86±0.48	11.23±0.38	NS
Small intestine	2.98±0.22	2.90±0.18	NS
Kidneys	2.14±0.08	2.27±0.06	NS
Brain	1.940±0.073	1.884±0.027	NS
Large intestine	1.46±0.05	1.31±0.06	NS
Lungs	1.418±0.164	1.308±0.041	NS
Stomach	1.265±0.039	1.438±0.054	0.023
Heart	0.936±0.048	1.075±0.024	0.027
Interscapular BAT	0.413±0.042	0.442±0.041	NS
Subcutaneous WAT	5.96±0.69	9.11±1.11	0.015
Mesenteric WAT	3.61±0.52	3.86±0.09	NS
Retroperitoneal WAT	2.58±0.36	4.66±0.36	0.002
Epididymal WAT	1.53±0.26	4.43±0.38	<0.001
Pericardial WAT	0.252±0.047	0.311±0.041	NS
Sum of five WAT sites	𝟏𝟑.𝟗𝟑±𝟏.𝟖𝟗	𝟐𝟐.𝟐𝟑±𝟏.𝟕𝟖	0.007

The values are the mean ± SEM for 6 different animals. BAT: brown adipose tissue; WAT: white adipose tissue. Statistical significance of the differences between groups; 𝑃 was calculated with Student’s 𝑡 test.