蛋氨酸
蛋氨酸亚砜
半胱氨酸
氨基酸
硫黄
化学
亚砜
肉鸡
生物化学
食品科学
有机化学
半胱氨酸
胱氨酸
酶
作者
D. D. Kuzmicky,G. O. Kohler,H. G. Walker,Bruce E. Mackey
出处
期刊:Poultry Science
[Elsevier BV]
日期:1977-09-01
卷期号:56 (5): 1560-1565
被引量:15
摘要
In four trials, experimental diets were fed to one week old broiler cockerels for a period of 14 days to compare the availability of oxidized sulfur amino acids to DL-methionine on an equimolar basis. The data were analyzed by the slope-ratio technique. Chick weight gain per unit feed consumed was the dependent variable and dietary level of supplemental amino acid was the independent variable. There was no significant (P=.05) differences in availability of DL-, L-, and D-methionine. D-, DL-, and L-methionine sulfoxide were 52, 59 and 77%, respectively, as available as DL-methionine. The differences in availability between the three sulfoxides and DL-methionine were significant. Both DL- and D-methionine sulfoxide were significantly less available than L-methionine sulfoxide. No response was obtained from L-cysteic acid or DL-methionine sulfone.
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