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Bacteriological Survey of Insect Products in Japan.
Simojima, Yukako; Ishikawa, Tamako; Noguchi, Erika; Araki, Reina; Gomyo, Kai; Miyajima, Itsuki; Akita, Yuka; Ohara, Yui; Nakagawa, Ryuga; Okada, Yumiko; Morita, Yukio.
Afiliação
  • Simojima Y; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Ishikawa T; Department of Nutritional Management, Sagami Women's University, Kanagawa, Japan.
  • Noguchi E; Department of Nutritional Management, Sagami Women's University, Kanagawa, Japan.
  • Araki R; Department of Nutritional Management, Sagami Women's University, Kanagawa, Japan.
  • Gomyo K; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Miyajima I; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Akita Y; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Ohara Y; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Nakagawa R; Department of Food and Nutritional Sciences, Toyo University, Gunma, Japan.
  • Okada Y; Division of Biomedical Food Research, National Institute of Health Sciences, Kanagawa, Japan.
  • Morita Y; School of Veterinary Medicine, Azabu University, Kanagawa, Japan.
Foodborne Pathog Dis ; 21(8): 478-484, 2024 Aug.
Article em En | MEDLINE | ID: mdl-38682437
ABSTRACT
A microbiological study was conducted on 41 insect product samples (29 raw frozen [21 domestic and 8 imported], 10 powdered, and 2 processed), which were commercially available in Japan. The total aerobic count for raw frozen insects was 5.61 log cfu/g (range 2.52-8.40), whereas the powdered insect count was 2.89 log cfu/g (range 1.00-4.57). The bacterial count was significantly higher in raw frozen insects (p < 0.05). The coliform count for the raw frozen insects ranged from <1 to 6.90 log cfu/g, and that for the powdered insects ranged from <1 to 1.00 log cfu/g. The number of samples with values above the detection limit was significantly higher in raw frozen insects (p < 0.05). The detection frequencies of aerobic spores (<1-4.63 log cfu/g), anaerobic spores (<0-4.40 log cfu/g), and Bacillus cereus (<1.7-3.83 log cfu/g) showed no sample type-related significant difference. Listeria spp. was isolated from four samples of raw frozen insects, one of which was Listeria monocytogenes. We did not detect any of the following Salmonella spp., Shiga toxin-producing E. coli (STEC), Campylobacter jejuni/coli, or pathogenic Yersinia. We isolated insect products retailed in Japan harboring food poisoning bacteria, including L. monocytogenes and B. cereus. In particular, raw frozen products displayed high levels of hygienic indicator bacteria.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Microbiologia de Alimentos / Listeria monocytogenes Limite: Animals País/Região como assunto: Asia Idioma: En Revista: Foodborne Pathog Dis Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Microbiologia de Alimentos / Listeria monocytogenes Limite: Animals País/Região como assunto: Asia Idioma: En Revista: Foodborne Pathog Dis Ano de publicação: 2024 Tipo de documento: Article