Amino acid supplementation affects hematological and biochemical parameters in elite rugby players

被引:29
|
作者
Ohtani, M [1 ]
Maruyama, K
Sugita, M
Kobayashi, K
机构
[1] Univ Tokyo, Grad Sch Arts & Sci, Dept Life Sci Sports Sci, Tokyo 1538902, Japan
[2] Meiji Univ, Dept Life Sci, Kawasaki, Kanagawa 2148571, Japan
[3] Mie Univ, Dept Hlth & Phys Educ, Tsu, Mie 5148507, Japan
关键词
amino acids; exercise; hematology; blood chemistry; sports medicine;
D O I
10.1271/bbb.65.1970
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Individual amino acid supplementation affects various types of athletic performance. However, little information on combinations of amino acids is currently available. This study evaluated an amino acid mixture containing L-leucine, L-isoleucine, L-valine, L-arginine, and L-glutamine to 3.6 g of total amino acids per dose. Twenty-three rugby players were given 3.6 g, twice, daily of the amino acid mixture for 90 days (June-August 1994) and blood samples were collected for analyses in September 1993, March 1994, September 1994, and September 1995. After 90 days of supplementation, almost all of the athletes reported improvement in vigor and earlier recovery from fatigue. Significant increases (P <0.05) were observed in hemoglobin, RBC count, hematocrit, and serum iron by amino acid supplementation. Significant increases (P <0.05) were also noted in total cholesterol and low-density lipoprotein along with decreased (P <0.05) alkaline phosphatase. All values reverted to original levels when measured after one year of continued training without supplementation.
引用
收藏
页码:1970 / 1976
页数:7
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