Eggs and poultry meat as tocopherol sources in dependence on tocopherol supplementation of poultry diets

被引:31
作者
Flachowsky, G
Engelman, D
Sünder, A
Halle, I
Sallmann, HP
机构
[1] Fed Agr Res Ctr, FAL, Inst Anim Nutr, D-38116 Braunschweig, Germany
[2] Sch Vet Med, Inst Physiol Chem, D-30559 Hannover, Germany
[3] Univ Jena, Inst Nutr, D-07743 Jena, Germany
关键词
broilers; layers; vitamin E supplementation; tocopherole concentration; meat; liver; eggs;
D O I
10.1016/S0963-9969(01)00191-0
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
One feeding trial with broilers and three feeding experiments with layers were carried out to investigate the influence of various vitamin E supplementations on alpha-tocopherol concentration of foods of poultry origin. Vitamin E content of basal diets amounted to approximate to20 mg per kg feed; 0, 100, 1000, 10000 and 20000 mg vitamin E per kg feed were added. Broilers were fed for 30 days and slaughtered, layers were kept for one laying year (13x28 days), eggs were collected daily. Vitamin E concentration was determined in muscle (breast, legs), liver, fat and eggs by HPLC. Tocopherol concentration increased with vitamin E supplementation in all samples. The highest tocopherol concentration was measurement in egg yolk (254.9) followed by liver (44.8) and muscle (12.2 mg/100 g). Vitamin E supply of poultry feed depends on costs of vitamin E and financial benefits for the farmer. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码:239 / 243
页数:5
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