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1.
Article in Chinese | WPRIM | ID: wpr-845371

ABSTRACT

Objective To analyze the chemical constituents of kumquat essential oil(KEO)and the acute toxicity of KEO in mice. Methods The chemical constituents of KEO were analyzed by GC-MS. After preliminary test, KM mice were randomly divided into control and KEO groups with 20 mice in each group(10 male and 10 female). The doses of KEO were designed with ratio 0.758 between the 100% and 0% mortality amount as 10, 7.60, 5.70, 4.40, 3.30 and 2.50 ml/kg. The acute toxicity was evaluated by examination of the mice for 14 days after single administration of KEO. Results The principal constituents in KEO were α-pinene(0.46%), β-phellandrene(0.11%), β-myrcene(2.34%), D-limonene(95.62%), geranyl acetate(0.10%), β-copaene(0.67%), and γ-elemene (0.13%), which accounted for 99.43% of the total chemical content of KEO. The half-lethal dose(LD50)of KEO in mice by the acute toxicity test was 6.24 ml/kg with the 95% confidence limit of(5.39-7.33)ml/kg in female mice and 5.73 ml/kg with the 95% confidence limit of(4.91-6.79)ml/kg in male mice. The possible toxic target organs were liver, spleen and gastrointestinal tract. Conclusion KEO with the content of D-limonene was obtained from kumquat for the first time, and the toxicity of the KEO was low according to the toxicity classification standard of World Health Organization.

2.
Article in Chinese | WPRIM | ID: wpr-614606

ABSTRACT

Objective To analyze the chemical constituents of kumquat essential oil(KEO)and the acute toxicity of KEO in mice. Methods The chemical constituents of KEO were analyzed by GC-MS. After preliminary test,KM mice were randomly divided into control and KEO groups with 20 mice in each group(10 male and 10 female). The doses of KEO were designed with ratio 0.758 be?tween the 100%and 0%mortality amount as 10,7.60,5.70,4.40,3.30 and 2.50 ml/kg. The acute toxicity was evaluated by examina?tion of the mice for 14 days after single administration of KEO. Results The principal constituents in KEO wereα-pinene(0.46%),β-phellandrene(0.11%),β-myrcene(2.34%),D-limonene(95.62%),geranyl acetate(0.10%),β-copaene(0.67%),andγ-elemene (0.13%),which accounted for 99.43%of the total chemical content of KEO. The half-lethal dose(LD50)of KEO in mice by the acute toxicity test was 6.24 ml/kg with the 95%confidence limit of(5.39-7.33)ml/kg in female mice and 5.73 ml/kg with the 95%confi?dence limit of(4.91-6.79)ml/kg in male mice. The possible toxic target organs were liver,spleen and gastrointestinal tract. Conclu?sion KEO with the content of D-limonene was obtained from kumquat for the first time,and the toxicity of the KEO was low accord?ing to the toxicity classification standard of World Health Organization.

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