[Evaluation on the effect of reducing body fat by biological impedance assay]

Forty-six female workers (26-55 year-old) were divided into 3 groups and engaged in 3 energy restricted dietary program respectively for 3 weeks. The change of weight, skinfold thickness and the body fat measured by biological impedance (BIA) was observed. The results showed that the effectiveness of restriction on dietary energy intake under the assist of reducing body fat supplementary foods was better. Setting an interval period on usual low calorie diet without supplements between the strictly energy restricted period was more suitable for strengthening the effectiveness on reducing body fat.