Korean Journal of Veterinary Research 1962;2(1):15-26.
Studies on the Tick Killing and Repellent Effects of Two Korean Indigenous Crude Drugs, Radix Jingyu and Fructus Ponciri
Jang-Nag Lee
두가지 국산생약(國産生藥), 진규와 지실(枳實)의 소진드기 구제(驅除)(살충(殺蟲) 및 기피(忌避)) 효력(效力)에 관한 연구(硏究)
이장낙
서울대학교 수의과대학 수의약리학교실
Abstract
Decoctions of two Korean indigenous crude drugs. Radix Jingyu(the dried root of Aconitum pseudo-laeve Nakai var. erectum Nakai form. Genuinum Nakai) and Fructus ponciri (the transversely sliced and dried unripe fruit of Poncirus trifoliata Rafinesque), are being utilized by the inhabitants in certain parts of southeastern district of Korea with an empirical belief that these serve as effective insecticides for cattle ticks. Of the two species of cattle ticks so far identified in Korea, Boophilus microplus and Haemaphysalis bispinosum, the former was employed in this experiment as the species occupies nearly 99 percent of the tick population. The results of the experiments herein reported seen to indicate that although the killing power of aqueous extracts of the drugs is minimal, the repellent effect against the ticks, especially of Radix Jingyu, is excellent. It may be of interest to note that the aqueous extract of Radix Jingyu has not proved to be inferior to any of the most effective cattle repellents commercially available. Further studies on these Korean indigenous crude drugs as cattle tick repellents are indicated to find whether active ingredients can be extracted in a hope to materialize an extensive application of these drugs in the field.
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