Effects of Retinol and α-Tocopherol on Nitroblue Tetrazorium Reduction Ability of Neutrophils from Blood of Lactating Cows

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  • 泌乳牛血液由来の好中球ニトロブルーテトラゾリウム還元能に及ぼすレチノールとα-トコフェロールの効果
  • ヒニュウギュウ ケツエキ ユライ ノ コウチュウキュウ ニトロブルーテトラゾリ
  • Effects of Retinol and ^|^alpha;-Tocopherol on Nitroblue Tetrazorium Reduction Ability of Neutrophils from Blood of Lactating Cows

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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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