Risky or Not?

A short podcast about everyday risks from germs

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ChatGPT image description: A horrified home cook realizes a bag of frozen mixed berries has been left out for two hours. Purple berry juice pools across the counter while a handwritten timing note and wall clock emphasize the mistake. The square image captures panic, thawing fruit, and a relatable kitchen food-safety dilemma.

933. Leaving Frozen Berries Out for 2 Hours, Refreezing and Reusing

May 27, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from leaving frozen berries out of refrigeration for 2 hours, refreezing and reusing later in a smoothie.

Dr. Don - not risky πŸ‘πŸΌ
Professor Ben - not risky πŸ‘πŸΌ

  • Microbiological Surveillance Sampling: FY 19-23 Frozen Berries (Strawberries, Raspberries and Blackberries) | FDA
  • Full report - Microbiological Surveillance Sampling: FY 19-23 Frozen Berries (Strawberries, Raspberries and Blackberries)
  • Occurrence of Selected Foodborne Pathogens on Frozen Berries Collected at Retail Level in Switzerland - ScienceDirect
  • Scientific Opinion on the risk posed by pathogens in food of non‐animal origin. Part 2 (Salmonella and Norovirus in berries) - - 2014 - EFSA Journal - Wiley Online Library
  • Cannon Mills - Wikipedia
933. Leaving Frozen Berries Out for 2 Hours, Refreezing and Reusing
Risky or Not
Download
May 27, 2026 /Don Schaffner
Berries, Frozen berries, Norovirus, Hepatitis A, Time temperature control for safety food
122.png

122. Frozen Berry Smoothies

March 22, 2021 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from frozen berry smoothies.
Dr. Don - not risky πŸ‘πŸΌ
Professor Ben - not risky πŸ‘πŸΌ

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  • Microbiological Surveillance Sampling: FY 19-20 Frozen Berries (Strawberries, Raspberries and Blackberries) | FDA
  • Farm to fork quantitative microbial risk assessment for norovirus on frozen strawberries - ScienceDirect
  • FSAI warns of virus risk in imported frozen berry supply chain | Food Safety News
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122. Frozen Berry Smoothies
Risky or Not
Download
March 22, 2021 /Don Schaffner
Berries, Norovirus, Hepatitis A

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