At what times should milk tins and cream carafes be discarded?

The correct answer reflects common practice guidelines for maintaining food safety and quality, particularly for perishable items like milk and cream. The times provided in this option, 9am, 1pm, and 5pm, correspond to intervals that ensure these products are discarded in a manner that aligns with a typical freshness cycle.

Safety best practices suggest monitoring the time that perishable items are left unrefrigerated. The schedule allows for regular checks throughout the day, avoiding potential spoilage while maintaining optimal freshness for serving. By adhering to these specified times, consumers and food handlers can minimize the risks of foodborne illnesses caused by spoiled dairy products.

Other options suggesting different times do not follow the well-recognized safety intervals typically recommended for handling dairy items or may not align with common serving schedules in food service environments. It's important to note that in a food service setting, discarding milk and cream at consistent intervals helps in managing inventory and maintaining quality standards effectively.