人血浆中酪氨酸浓度的每日节律：在低蛋白饮食中的持续性。
Daily rhythm in tyrosine concentration in human plasma: persistence on low-protein diets.
作者信息
Wurtman R J, Chou C, Rose C M
出版信息
Science. 1967 Nov 3;158(3801):660-2. doi: 10.1126/science.158.3801.660.
PMID:4383136
Abstract
The concentration of tyrosine in the plasma of normal males varies diurnally. It is lowest (9.5 +/- 0.35 micrograms per milliliter) between 0130 and 0230 hours and rises to a peak of 16.2 +/- 0.82 micrograms per milliliter by 1030 hours. This rhythm persists when subjects are maintained for 2 weeks on a diet that is very low in protein.
摘要
正常男性血浆中酪氨酸的浓度呈昼夜变化。在凌晨01:30至02:30之间最低（9.5±0.35微克/毫升），到上午10:30时升至峰值16.2±0.82微克/毫升。当受试者维持两周极低蛋白饮食时，这种节律仍然存在。
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