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  • Title: Enhancing alpha-tocopherol and linoleic acid in ewe's milk by feeding emulsified sunflower oil and DL-alpha-tocopheryl acetate in a chemically treated protein matrix.
    Author: Lee JH, Waller JC, Melton SL.
    Journal: J Agric Food Chem; 2005 Aug 10; 53(16):6463-8. PubMed ID: 16076135.
    Abstract:
    Chemically treated dietary supplements (CTDS) were prepared with defatted soy flour, sunflower oil, dl-alpha-tocopheryl acetate (TA), and 2,3-butanedione (a generally recognized as safe chemical), and the effects on alpha-tocopherol (VE) concentration and fatty acid profile in ewe's milk were estimated. Ewes fed control diet (CD) had the lowest levels of milk VE (0.66 microg/mL) and serum VE (1.59 microg/mL). Feeding ewes the CD plus 500 IU of TA increased milk and serum VE by 30 and 70%, respectively, compared to ewes fed the CD. The CTDS-fed ewes showed further increased milk and serum VE levels by 40 and 32%, respectively, over those in ewes fed the CD plus 500 IU of TA. Feeding ewes CTDS did not affect milk fat content (3.13%) but altered the fatty acid composition by decreasing the levels of hypercholesteremic fatty acids, while increasing the content of linoleic acid (8.5%). Inclusion of CTDS in ruminant diets might produce nutritionally enhanced milk products.
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