Prevalence and abundance of Anisakis larvae in ready-to-eat mackerel products in Japan

被引:4
|
作者
Ohnishi, Takahiro [1 ]
Banzai, Azusa [2 ,3 ]
Hara-Kudo, Yukiko [1 ]
Sugiyama, Hiromu [2 ,3 ]
机构
[1] Natl Inst Hlth Sci, Div Microbiol, 3-25-26 Tonomachi,Kawasaki Ku, Kawasaki, Kanagawa 2109501, Japan
[2] Azabu Univ, Sch Life & Environm Sci, Dept Environm Sci, 1-17-71 Fuchinobe,Chuo Ku, Sagamihara, Kanagawa 2525201, Japan
[3] Natl Inst Infect Dis, Dept Parasitol, 1-23-1 Toyama,Shinju Ku, Tokyo 1628640, Japan
关键词
Anisakiasis; Food-borne disease; Parasite; SIMPLEX; FISH; PEGREFFII; SINGLE;
D O I
10.1016/j.ijfoodmicro.2023.110181
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The risk of contracting anisakiasis from consuming ready-to-eat (RTE) mackerel products in Japan was investigated by examining the prevalence and abundance of Anisakis simplex and its sibling species in these products. From 2019 to 2021, a total of 448 RTE mackerel products were purchased in Japan. Anisakis larvae were isolated from 244 of the 448 samples (54 %), and live larvae were isolated from 161 of the 448 samples (36 %). In total, 3170 Anisakis larvae, which included 919 live larvae, were isolated. The isolated Anisakis larvae consisted of 3118 A. simplex (s. s.), 27 A. pegreffii, and 25 hybrid genotype (A. simplex [s. s.] x A. pegreffii) larvae. No A. berlandi larvae were isolated. The prevalence of larvae in samples of mackerel caught in the Southern Japan region and Sea of Japan was much lower than that in mackerel caught in other areas. Both the prevalence of Anisakis larvae in all samples and their abundance in larvae-positive samples exhibited specific seasonal variations, being high in spring.
引用
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页数:7
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