Which standard ensures that food must not fall below a minimum quality?

The standard that ensures food must not fall below a minimum quality is the Standard of Quality. This standard specifically sets forth criteria that food products must meet concerning attributes such as tenderness, texture, color, and flavor. It aims to maintain a certain level of quality in food items sold to consumers, ensuring they receive products that are acceptable in appearance and taste.

The other standards mentioned serve different purposes. The Standard of Identity defines what a food product must contain and how it must be labeled, ensuring that consumers understand what they are purchasing. The Standard of Fill regulates the amount of product within a container, focusing on preventing deceptive packaging. The Standard of Safety pertains to the health aspects of food products, ensuring that they do not pose a risk to consumers. Each of these standards plays an important role in food regulation, but for setting minimum quality requirements, the Standard of Quality is the relevant one.