Alpha- and gamma tocopherol concentrations in human serum.
作者:
BehrensW A,
MadèreR,
期刊:
Journal of the American College of Nutrition
(Taylor Available online 1986)
卷期:
Volume 5,
issue 1
页码: 91-96
ISSN:0731-5724
年代: 1986
DOI:10.1080/07315724.1986.10720116
出版商: Routledge
数据来源: Taylor
摘要:
Vitamin E (alpha- and gamma-tocopherol) and total lipid concentrations were determined in the serum of 451 healthy human male and female subjects ranging in age from 19 to 70 years. Mean serum alpha-tocopherol concentration (microgram/ml) was 8.82 +/−2.84 (SD) and gamma-tocopherol concentration was 1.35 +/−0.70. The concentration of alpha-tocopherol increased significantly with age, as well as with total lipid; gamma-tocopherol concentration remained unchanged with age. The data also indicated that subjects with higher serum alpha-tocopherol had lower gamma-tocopherol levels and vice versa for subjects with higher gamma levels. A close interrelationship and competition appeared to exist between these two vitamers.
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