Journal of Physiology & Pathology in Korean Medicine (동의생리병리학회지)

The Physiological Society of Korean Medicine and The Society of Pathology in Korean Medicine (대한동의생리학회·한의병리학회)
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Effects of Ethyl Acetate Extracts of Folium Mori on Cadmium Inhalation Toxicity

상엽 Ethyl Acetate 추출물이 카드뮴의 흡입독성에 미치는 영향

  • Jeung Jaeyeal (The Third Medicine, Professional Graduate School of Oriental Medicine, Wonkwang University) ;
  • Song Young Sun (The Third Medicine, Professional Graduate School of Oriental Medicine, Wonkwang University) ;
  • Lee Ki Nam (The Third Medicine, Professional Graduate School of Oriental Medicine, Wonkwang University)
  • 정재열 (원광대학교 한의학전문대학원 제3의학과) ;
  • 송용선 (원광대학교 한의학전문대학원 제3의학과) ;
  • 이기남 (원광대학교 한의학전문대학원 제3의학과)
  • Published : 2003.06.01
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Abstract

For the experiment of the effects between cadmium aerosol inhalation toxicity and ethyl acetate extracts of Folium Mori, 4 inhalation exposure groups of rat were exposed to cadmium aerosol in air by whole-body inhalation exposure for 6 hours/day, 5 days/week, and 4 weeks. Cadmium concentration in the air was 0.96㎎/㎥ and mass median diameter (MMD) was 2.48㎛ with 1.85 of geometric standard deviation(GSD). Intraperitoneal injections of ethyl acetate extracts of Folium Mori to inhalation exposure groups were performed for 4 weeks and the results were as follows: The highest body weight gain for 4 weeks and food intake per day were 159.29/4 weeks in treated group III and 18.45g/day in treated group I, respectively. The highest lung and liver weights were 1.31 g in treated group I and 9.42g in treated group III, respectively. The highest kidney weight was 2.21g from treated group I. The lowest cadmium content in lung was 86.39㎍/g from treated group III and the lowest cadmium concentration in blood was 2.72㎍/㎗ from treated group II. Cadmium concentrations of 22.09㎍/g in liver and 24.82㎍/g in kidney were the lowest from inhalation exposure group I and III, respectively. For weekly cadmium concentration in urine, the value of the fourth week from treated group III was the highest, 1.35㎍/㎖. For weekly cadmium concentration in feces, the values of the second and fourth week from treated group I were the highest, 1.11㎍/g. The highest metallothionein concentration in lung was 31.85㎍/g from treated group III and the highest metallothionein concentration in liver was 205.77㎍/g from treated group III. The highest metallothionein concentration in kidney was 206.55㎍/g from treated group III. The highest Hct and Hb values were 38.26% and 11.63g/㎗ from treated group III, respectively. The highest RBC and WBC values were 7.68×106/㎣ and 9.85×10³/㎣ from treated group I, respectively.

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