Abstract
Objective
This study investigated how consumption of orange juice associated with aerobic training
affected serum lipids and physical characteristics of overweight, middle-aged women.
Methods
The experimental group consisted of 13 women who consumed 500 mL/d of orange juice and did 1 h aerobic training 3 times a week for 3 months. The control group consisted of another
13 women who did the same aerobic training program but did not consume orange juice.
Results
At the end of the experiment, the control group lost an average of 15% of fat mass
(P < 0.05) and 2.5% of weight (P < 0.05), whereas the experimental group lost 11% of fat mass and 1.2% of weight (P < 0.05). Consumption of orange juice by the experimental group was associated with increased
dietary intake of vitamin C and folate by 126% and 61% respectively. Serum LDL-C decreased
15% (P < 0.05) and HDL-C increased 18% (P < 0.05) in the experimental group, but no significant change was observed in the control
group. Both groups improved the anaerobic threshold by 20% (P < 0.05), but blood lactate concentration decreased 27% in the experimental group compared
to the 17% control group, suggesting that experimental group has less muscle fatigue
and better response to training.
Conclusions
The consumption of 500 mL/d of orange juice associated with aerobic training in overweight women decreased
cardiovascular disease risk by reducing LDL-C levels and increasing HDL-C levels.
This association also decreased blood lactate concentration and increased anaerobic
threshold, showing some improvement in the physical performance.
Keywords
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Article info
Publication history
Published online: August 05, 2010
Accepted:
July 21,
2010
Received in revised form:
July 15,
2010
Received:
April 8,
2010
Identification
Copyright
© 2010 Elsevier Ireland Ltd. Published by Elsevier Inc. All rights reserved.
