کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2472059 1555784 2007 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of high hydrostatic pressure on embryonation of Ascaris suum eggs
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم دامی و جانورشناسی
پیش نمایش صفحه اول مقاله
Effects of high hydrostatic pressure on embryonation of Ascaris suum eggs
چکیده انگلیسی

High hydrostatic pressure processing (HPP) has been shown to be an effective non-thermal means of inactivating microorganisms from various food products. Little information is available regarding the effects of HPP on metazoan parasites. Outbreaks of food-borne disease have been associated with importation of food contaminated with fecal material. Ascaris suum is used as a surrogate model metazoan parasite for the human roundworm, Ascaris lumbricoides, to study the effects of treatments on the inactivation of eggs in sludge. The present study was conducted to determine the effects of HPP on A. suum eggs. Unembryonated A. suum eggs were subjected to 138–552 megapascals (MPa) for 10–60 s in a commercial HPP unit. Embryonation was induced after HPP treatments by incubating eggs in 0.01N sulfuric acid at room temperature. After 21 days, 100 eggs were examined per treatment using a light microscope and the percent of embryonated eggs was determined. Embryonation was induced in 38–76% eggs that were subjected to 138 and 270 MPa. No embryonation was observed in eggs exposed to pressures of 241 MPa or more for 60 s or in eggs exposed to 276 MPa for 10–30 s. These results indicate that HPP treatment could be used to protect contaminated food items by inactivating A. suum eggs and may also have potential in reducing food-borne illness resulting from fecal contamination.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Veterinary Parasitology - Volume 145, Issues 1–2, 10 April 2007, Pages 86–89
نویسندگان
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