日本食品微生物学会雑誌
Online ISSN : 1882-5982
Print ISSN : 1340-8267
短報
シカ肉中のSarcosystisが原因として疑われた有症苦情
青木 佳代石川 和彦林 賢一斉藤 守弘小西 良子渡辺 麻衣子鎌田 洋一
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キーワード: Sarcocystis, deer meat, food poisoning
ジャーナル フリー

30 巻 (2013) 1 号 p. 28-32

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A case of the suspected food poisoning related to deer meat occurred in December, 2011 in Shiga prefecture in Japan. Four of 18 people showed transient diarrhea, abdominal pain, nausea, and vomiting within 5 to 16 hr after eating. No typical food poisonous bacteria and viruses were detected in the food samples. Parasitological tests were performed on the deer meat, and the Ministry of Health, Labour and Welfare of Japan for horsemeat food poisoning were officially notified. A 1,100-bp DNA fragment was amplified by PCR from three slices of the deer meat, suggesting the presence of Sarcocystis sp. Cysts and bradyzoites were detected in the specimens of the deer meat. Immunohistochemical staining of the cysts detected in the deer meat with an antibody against the toxic 15 kDa protein of S. fayeri showed a positive reaction. This indicated that a similar toxic protein originating from Sarcocystis cysts was present in the deer meat. This suggested that the deer meat containing Sarcocystis cysts was the causative food in these cases of food poisoning.

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