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Perspectivas en Nutrición Humana

Print version ISSN 0124-4108


LUTZ, Mariane; AVARIA, Renato  and  LUNA, Leticia. Effect of the Intake of a High Fat Diet Containing Pine Nuts on Body and Organ Weight in Rats. Perspect Nut Hum [online]. 2018, vol.20, n.1, pp.15-22. ISSN 0124-4108.


Pine nus have an outstanding nutritional value.


To evaluate the effect of the intake of pine nuts on body and organ weight gain in rats fed a high fat diet.

Materials and Methods:

24 male Sprague Dawley rats were fed control diet, high fat diet, or high fat with 2 % pine nuts, (n=8 per group). After 28 days the animals were weighed and killed, and mesenteric, retroperitoneal, inguinal, and epididimal fat pads were weighed as well as liver, kidneys, and heart.

Results: The intake of high fat and high fat with 2 % pine nuts diets was similar and lower than fed control diet (p<0.05). Rats fed high fat with 2 % pine nuts exhibited higher weight gain and final body weight (p<0.05). The dietary efficiency of high fat and high fat with 2 % pine nuts diets were higher than fed control (p<0.05). The relative weights of liver, heart, kidneys and fat pads were similar in all groups.


High fat intake generates higher body fat gain compared with an isocaloric control diet. High fat with 2% pine nuts diet did not affect body weight gain, relative organ weight, or fat pads weight compared with high fat diet.

Keywords : Rats; body weight; weight gain; high-fat diet; nuts.

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