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寄生蟲 豫防을 爲한 糞尿의 衛生的處置에 關한 硏究 : 3. 亞窒酸소-다가 蛔蟲卵子 酸素消耗에 미치는 影響
宋台錫,安泳謙,蘇鎭琸 대한내과학회 1964 대한내과학회지 Vol.7 No.12
The authors investigated the oxygen consumption rate of Ascaris eggs in fecal medium which was mixed with sodium nitrite. Eggs were Obtained from the upper part of uterus of Ascaris and removed the albuminoid membrane by treating them with antiformin solution. Oxygen consumption rate was measured by Warburg's manometer. The results are summarized as follows: 1. Oxygen uptake of Ascaris eggs which were treated with 0.1% NaNO₂ solution for 72 hours was not influenced by pH in the range of 4.0-7.0. 2. In an acidified medium (pH 4.0, feces: urine =1 : 4) which was mixed with sodium nitrite at the concentration of 0.1 %, the amount of oxygen consumption was 54-100×10 ^(-8) ㎕/hr/egg, though in control showed almost 10 times of it. 3. The amount of oxygen consumption of normal Ascaris eggs increased to five times during three weeks, but the treated eggs by NaNO₂ showed no increase and 92-100% of them were finally destroyed. 4. In an acid medium the NO₂ gas from sodium nitrite inhibited the oxygen consumption of Ascaris eggs and finally caused the destruction of the eggs.