• Title/Summary/Keyword: 독성증상

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사료자원의 독성물질

  • 정석희
    • KOREAN POULTRY JOURNAL
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    • v.7 no.9 s.71
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    • pp.99-100
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    • 1975
  • 사료곡물 중에는 독성을 함유한 것이 많다. 많이 먹으면 설사를 한다거나 중독증상을 일으키므로 인해 피해를 보는 일이 간혹 있다. 따라서 이러한 독성 물질은 영양가를 풍부히 함유한 사료원료라 할지라도 적당량 급여하여 중독증상을 일으키지 않도록 해야 할 것이며, 또 그 독성을 제거한 후 급여토록 해야할 것이다.

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Atypical Kawasaki Disease Presented with Toxic Shock Syndrome (독성 쇼크 증후군 증상을 나타낸 비전형적 가와사끼병 1례)

  • Lee, Kyoung Yeon;Park, Jun Eun;Park, Woo Sung
    • Clinical and Experimental Pediatrics
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    • v.45 no.8
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    • pp.1048-1051
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    • 2002
  • Toxic shock syndrome(TSS) is clinically similar to Kawasaki disease(KD) in that both of them are characterized by fever, desquamating rash and mucous membrane erythema. In contrast the main feature of TSS is hypotension, whereas the complication of KD is coronary vasculitis. We report an 8-year-old boy who fulfilled the crireria for TSS and KD. Initially he showed clinical features of TSS, so he was treated with intravenous antibiotics and supportive management. But the fever sustained, and the coronary aneurysm that is the main complication of Kawasaki disease was shown by echocardiogram on Day 14. He was treated with intravenous immunoglobulin twice and the fever subsided and general condition was improved.

Acute Oral Toxicity of Xylooligosaccharide in Rats (Xylooligosaccharide의 랫트에 대한 급성 경구독성)

  • 박윤제;오화균;이운택;이지완;이창승;류보경;양창근;윤세왕;강부현
    • Journal of Food Hygiene and Safety
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    • v.14 no.3
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    • pp.255-258
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    • 1999
  • The acute toxicity of xylooligosaccharide(XO) was evaluated in SD rats. Groups of 15 male and 15 female rats were orally administered XO (0, 5000 or 10000 mg/kg). The changes of body weight and clinical signs were investigated for 14 days after treatments. No death and toxic effects were observed for 14 days. Soft stool and diarrhea appeared right after treatment for over dose and non-digestive feature of XO but these clinical signs disappeared on the next day. No significant changes in body weight and abnormal gross findings were observed in relation to XO. According to the results, XO has no special toxic effects and LD50 values of XO are above 10000 mg/kg in male and female rats.

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신장독성

  • Korea Industrial Health Association
    • 월간산업보건
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    • s.90
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    • pp.22-25
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    • 1995
  • 신장은 급성 혹은 만성 신장 기능부전 혹은 말기 신장질환을 야기할 수 있는 작업장내의 여러 화학물질에 폭로되어 있다. 이러한 물질들은 효과에 있어 상이하며 4개의 주요 형태로 분류할 수 있다. 중금속, 유기화합물, 살충제들, 다른 생물이물질 등, 신독성은 산업의학에서 독자적인 소견으로는 나타나지 않고 독성 폭로의 다른 전신적 증상과 함께 나타난다. 신장은 흔히 독성 물질의 공격 목표가 된다. 비교적 크기가 작음에도, 심박출량의 25%를 받아 다량의 독성 물질에 폭로된다. 이러한 기능때문에, 신장에서 삼투압 경사가 발생하여 - 주로 수질에서 - 신장은 다른 기관에서 발견되는 것보다 훨씬 높은 수준으로 독성물질을 농축한다. 신장은 소변을 신성화할 수 있기 때문에, 다른 조직에서 발견되지 않는 이온형태의 여러 용질이 발생한다. 이러한 여러 요인들로 신장이 여러 독성물질에 어떻게 영향을 받는지 설명할 수 있다.

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아플라톡신(Aflatoxin)의 독성에 대하여

  • 황원식
    • KOREAN POULTRY JOURNAL
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    • v.20 no.2 s.220
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    • pp.58-60
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    • 1988
  • '아플라톡신의 보편적인 중독증상으로는 가축의 성장율과 사료효율이 떨어지다가 심하면 폐사하게 되는데 어린 가축일수록 피해가 크다'

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Mouse Single Oral Dose Toxicity Test of Chongmyung-tang Aqueous Extracts (총명탕(聰明湯) 열수(熱水) 추출물의 마우스 단회 경구투여 독성 실험)

  • Hwang, Ha-Yeon;Jang, Woo-Seok;Baek, Kyung-Min
    • The Journal of Internal Korean Medicine
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    • v.35 no.1
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    • pp.37-49
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    • 2014
  • Objectives & Methods : The objective of this study was to evaluate the single oral dose toxicity of Chongmyung-tang (CMT) in ICR mice. Korean traditional herbal prescription CMT has traditionally been used as a neuroprotective for treatment of learning disability and memory improvement. CMT, lyophilized aqueous extracts (yield=9.7%) were administered to female and male mice with oral dose of 2,000, 1,000 and 500 mg/kg (body weight) according to the recommendation of Korea Food and Drug Administration (KFDA) Guidelines. Animals were monitored for mortality, changes in body weight, clinical signs and gross observation during 14 days after administration upon necropsy; organ weight and histopathology of 14 principle organs were examined. Results : We could not find any CMT extracts treatment related mortalities, clinical signs, changes in body and organ weight, or gross and histopathological observations against 14 principle organs up to 2,000 mg/kg in both female and male mice, except for some accidental sporadic findings which did not show any obvious dose-relations and most of which also demonstrated in both the female and male vehicle control mice in this experiments. Conclusions : Based on the results of this experiment, the 50% lethal dose ($LD_{50}$) and approximate lethal dose (ALD) of CMT extracts after single oral treatment in female and male mice can be considered to be over 2,000 mg/kg, and is likely to be safe in humans.

Food Safety of Pigment in Black Rice cv. Heugjinjubyeo (흑진주벼로부터 색소추출물의 안전성)

  • 류수노;박순직;강삼식;이은방;한상준
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.45 no.6
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    • pp.370-373
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    • 2000
  • Acute toxicity of the pigment fraction of Heugjinjubyeo was investigated in male and female mice following oral administration. Major component of pigment fraction was analyzed as cyanidin 3-glucoside (C3G), which composition content was 96%. The pigment fraction as given at the single oral doses of 1000,3000 and 9000mg/kg in male and female mice did not show any abnormal behaviours, body weight loss or other toxic symptoms during observation period of 14 days. There were no dead mice among 6 mice at a single dose of 9000mg/kg. Thus, it is concluded that the minimum lethal doses (MLD) of the pigment extract might be more than 9000 mg/kg p.o., in male and female mice.

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The Relationship between Pesticide Exposure and Central Nervous System Symptoms (농약 노출과 중추신경 증상과의 관련성)

  • Kwon, Young-Jun;Kang, Tae-Sun;Kim, Kyung-Ran;Lee, Kyung-Sook;Ju, Young-Su;Song, Jae-Chul
    • Journal of agricultural medicine and community health
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    • v.29 no.2
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    • pp.265-285
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    • 2004
  • Objectives: The acute toxic effects of pesticide are well known. Concern has also been expressed that long-term exposure may result in damage to the central nervous system. This study was conducted to test the hypothesis that central nervous system symptoms might occur due to pesticide exposure. Methods: In a cross-sectional study, first, cumulative exposure index (CEI) was estimated. Neurologic symptoms (Q-16 questionnaire) for 541 farmers (exposed to pesticides) were compared with 119 non-exposed persons in spraying season nine rural areas in Korea. Results: The pesticides poisoning rates for last 3 months were 67.2% for orchard farmers, 55.3%for dry field farmers, and 20.5% for husbandry farmers, respectively, showing significant difference (p<0.001). Compared with non-exposure group, exposure groups (especially, orchard farmers) reported significantly more neurologic symptoms and had a higher overall neurological symptoms score (p<0.001). Factors related to the positive neurological symptoms (answers "yes" to six or more of Q-16 questionnaire) adjusted for age, sex, education level, smoking and alcohol drinking were type of farming (OR 3.08, 95% CI 1.50-6.30 in orchard farmers vs non-exposure group), CEI (OR 2.75, 95% CI 1.12-6.78 in Q3 vs Q1), past poisoning (OR 1.97, 95% CI 1.21-3.20 vs normal), current mild poisoning (OR 3.03, 9500 CI 1.47-6.22 vs normal) and current moderate poisoning (OR 6.34, 95% CI 3.03-13.25 vs normal), respectively. Conclusions: These results suggest that long-term exposure to pesticides appears to be associated with subtle changes in the central nervous system.

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Subacute Toxicity Study of Poly(sodium acrylic acid-acrylic acid) in Rats (폴리(아크릴산소다-아크릴산)의 랫드에 대한 아급성 독성시험에 관한 연구)

  • 서경원;박기숙;한범석;장동덕;김창옥;김효정
    • Journal of Food Hygiene and Safety
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    • v.8 no.2
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    • pp.105-117
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    • 1993
  • The objective of this investigation was to characterize the subacute toxic potency of orally administered poly(sodium acrylic acid-acrylic acid), super absorbent polymer. Four groups of rats were maintained on diets containing 0, 1.25, 2.5 or 5% of poly(sodium acrylic acid-acrylic acid). The mean dosages of poly(sodium acrylic acid-acrylic acid) were estimated to be 1025 mg/kg/day, 2009 mg/kg/day and 4728 mg/kg/day in the male groups. The estimated average dosages of poly(sodium acrylic acid-acrylic acid) in the female groups were 1011 mg/kg/day, 2088 mg /kg/day and 4576 mg/kg/day, respectively. Few test compound-related toxic effects were observed in body weight gain, clinical signs, hematological parameters and serum biochemical values. Urinalyses, gross necropsy and histopathology revealed no evidence of specific toxicity. Food and water consumption tended to increase in the animals fed the diet of 2.5% and 5%. Our data indicate that no-observed effect level of poly(sodium acrylic acid-acrylic acid) was estimated to be 1.25% in the diet (mean dosage: 1025 mg/kg/day in male rats, 1011 mg/kg/day in female rats).

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Acute Toxicity Study of Poly(sodium acrylic acid-acrylic acid) in Rats and Mice (랫드와 마우스에서 폴리(아크릴산 소다-아크릴산)의 급성 경구 독성 시험에 관한 연구)

  • 박기숙;서경원;김효정
    • Journal of Food Hygiene and Safety
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    • v.8 no.2
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    • pp.97-103
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    • 1993
  • The acute toxicity of orally administered poly(sodium acrylic acid-acrylic acid), powerfully water-absorbent polymer, was el'aluated in Sprague-Dawley rats and feR mice. Rats and mice aging 6 weeks were gavaged with 0, 2.0, 3.0, 4.4, 6.7, or 10 g of poly(sodium acrylic acidacrylic acid)/kg in com oil. No animal died by treatment and any toxic symptom was not observed in the treated animals during 2 weeks. The body weight of the treated animals was not significantly different from the controls. The results of macroscopic examination on the organs of the treated animals revealed no abnormal findings. Therefore, it was concluded that poly(sodium acrylic acidacrylic acid) was practically non-toxic when it was orally administrated to rats and mice up to 10 g/kg, and its $LD_{50}$ was evaluated more than 10 g/kg in rats and mice.

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