NDLI: Time-dependent effects of pomegranate juice and pomegranate polyphenols on foodborne viral reduction.

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Time-dependent effects of pomegranate juice and pomegranate polyphenols on foodborne viral reduction.

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Time-dependent effects of pomegranate juice and pomegranate polyphenols on foodborne viral reduction.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Su, Xiaowei Sangster, Mark Y. D'Souza, Doris H.
Description	Country affiliation: United States Author Affiliation: Su X ( Department of Food Science and Technology, The University of Tennessee-Knoxville, Knoxville, Tennessee 37996-4591, USA.)
Abstract	Pomegranate juice (PJ) and pomegranate polyphenolic extracts (PP) have antiviral effects against HIV-1, influenza, herpes, and poxviruses, and we recently demonstrated their effect against human noroviral surrogates. In the present study, the time-dependent effects of two commercial brands of PJ and PP at two concentrations (2 and 4 mg/mL) on the infectivity of foodborne viral surrogates (feline calicivirus FCV-F9, murine norovirus MNV-1, and MS2 bacteriophage) at room temperature for up to 1 h were evaluated. Each virus at â¼5 log(10) plaque-forming units (PFU)/mL was mixed with equal volumes of PJ, or PP at 4 or 8 mg/mL, and incubated for 0, 10, 20, 30, 45, and 60 min at room temperature. Viral titers after each treatment were determined by standardized plaque assays and compared with untreated controls. Virus titer reduction by PJ and PP was found to be a rather rapid process, with ≥50% of titer reduction occurring within the first 20 min of treatment for all three tested viruses. Within the first 20 min, titer reductions of 3.12, 0.79, and 0.23 log(10) PFU/mL for FCV-F9, MNV-1, and MS2, respectively, were obtained using PJ. FCV-F9, MNV-1, and MS2 titers were reduced by 4.02, 0.68, and 0.18 log(10) PFU/mL with 2 mg/mL PP and 5.09, 1.14, and 0.19 log(10) PFU/mL with 4 mg/mL PP, respectively, after 20 min. The mechanism of viral reduction by PJ and PP needs to be elucidated and clinical trials should be undertaken before recommending for therapeutic or preventive purposes.
File Format	HTM / HTML
ISSN	15353141
Issue Number	11
Volume Number	8
e-ISSN	15567125
Journal	Foodborne Pathogens and Disease
Language	English
Publisher	Mary Ann Liebert, Inc.
Publisher Date	2011-11-01
Publisher Place	United States
Access Restriction	Subscribed
Subject Keyword	Discipline Microbiology Discipline Parasitology Discipline Nutritional Sciences Antiviral Agents Pharmacology Beverages Calicivirus, Feline Drug Effects Norovirus Polyphenols Punicaceae Chemistry Animals Pathogenicity Cats Cell Line Escherichia Coli Foodborne Diseases Prevention & Control Virology Humans Hydrogen-ion Concentration Levivirus Mice Time Factors Viral Load Viral Plaque Assay Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Microbiology Applied Microbiology and Biotechnology Food Science

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