DIETARY INTERVENTION MIGHT ENHANCE THE RBC CELL METABOLISM
10.7600/jspfsm.55.S173
- Author:
YUKARI KAWANO
;
SAKUKO ISHIZAKI
;
YOSHIKO AKIYAMA
;
NOBUYOSHI SHIOZAWA
;
KAORI HAYASHI
;
HARUMI HIRATA
;
YUKO MEKADA
;
NORIKO TAKAHASHI
;
JUN YAMAKAWA
- Publication Type:Journal Article
- Keywords:
Rhythmic gymnast;
weight loss;
iron-deficiency anemia;
delta-aminolevulinate dehydratase activity;
haptoglobin
- From:Japanese Journal of Physical Fitness and Sports Medicine
2006;55(Supplement):S173-S178
- CountryJapan
- Language:English
-
Abstract:
Purpose : Rhythmic gymnasts sometimes develop severe iron-deficiency anemia. Preventing such anemia could thus enhance both their performance and health. We compared the relationship between a dietary intervention and RBC metabolism.Methods : Ten female rhythmic gymnasts were recruited for this study. Changes in the RBC delta-aminolevulinate dehydratase (δ-ALAD) activity were used as an index of biosynthesis, and changes in the haptoglobin (hp) were used to assess degradation.Results : During the one month intervention period, the athletes consumed traditional Japanese foods which provide 1500 kcal energy, 2 g/kg body weight protein, 200 g carbohydrate and 15 mg iron. No main effect of this intervention on the hematological indexes was observed. The δ-ALAD activity was significantly greater in August than in July or September. Hp concentration was significantly lower in August in comparison to the other periods.Conclusion : Dietary intervention might enhance the RBC turnover by increasing the capacity for erythrocyte biosynthesis and degradation.
