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KMID : 03772197819780000075
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Medical Journal of Chosun Univercity
1978 Volume.3 No. 1 p.75 ~ p.82
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Study on Contamination of Human Parasites for Strawberies in Kwangju Area and Removal Effects by Washing
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金仁淑/Kim, InSook
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Abstract
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The present study has been performed to estimate the contamination of the strawberies with human intestinal helminths.
The demonstration of the eggs and larvae from the market´s and field strawberies in Kwang-ju area was done by suspension method.
The estimation of contamination, which was based upon the detection rates of parasites eggs per 400 grams and one strawbery, was determined.
Removal effects of parasite eggs were examined by washing with tape water.
The results were summerized as following.
1. Five species of helminth eggs such as Ascarid, Trichocephalus, Hookworm. Paragonimus, and two types of larvae of Hookworm and Undetermined species were detected from the market´s and field strawberies.
Among these detection rare for Ascarid eggs was the highest (27.3%) in the marker´s strawberies, and filariform larvae of Hookworm was the highest (33.3%) in the field strawberies.
2. The rate of parasite egg detected from per one strawbery was average of 0.06 for Ascarid and 0.04 for Trichocephalus respectively with higher detection rate from the field strawberies than market´s.
3. The rates of Ascarid eggs contamination between two groups examined before rained and 3 days after be rained showed slight difference with 25% in the foremer and 20% in the later respectively. However, higher detection rate for other parasite eggs was found in the strawberies after raining.
4, The detection rate of parasite eggs or larvae for human intestinal helminths were relatively lower in the country areas than in the central areas of Kwang-ju or near suburbs.
5. As the increasing frequency of washing of strawberies diminished number or absence of parasite eggs were identified.
The 3rd-4th washing revealed negative parasite eggs, however, second washing remained Ascarid eggs only.
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