Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
Effects of Retinol and α-Tocopherol on Nitroblue Tetrazorium Reduction Ability of Neutrophils from Blood of Lactating Cows
Tomomi YANAGISAWAYasuhiko MOTOMURASyunichi KAMIMURAKatsumi HAMANA
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1993 Volume 46 Issue 5 Pages 382-384

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Abstract

The effects of retinol and a-tocopherol on the bacteriocidal ability of neutrophils obtained from 20 lactating cows were investigated in vitro. After the separation of neutrophils from blood, the nitroblue tetrazorium (NBT)(NBT) reduction test was conducted under the conditions of no addition, retinol addition and atocopherol addition. The highest NBT reduction abilities were obtained at 100 IU/dl of retinol and at 200 μg/dl of a-tocopherol, respectively. This suggests that the bacteriocidal ability of neutrophils from lactatingcowsisinfluenced in vitro by thelevelsofretinol and α-tocopherol.

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