Final answer:
The sugar-free syrup flavors include aspartame, saccharin, cyclamate, sucralose, monk fruit extract, and stevia. Each flavor is represented by a specific color in North America. Aspartame is commonly used as a sugar substitute and is 180 times sweeter than table sugar.
Step-by-step explanation:
The sugar-free syrup flavors are typically represented by various artificial sweeteners such as aspartame, saccharin (US), cyclamate (Canada), sucralose, monk fruit extract, and stevia. These sweeteners are often used in different foods and beverages to provide sweetness without adding calories. For example, aspartame is 180 times sweeter than table sugar and is commonly used as a sugar substitute in many foods. Different colors, such as blue, pink, yellow, orange, and green, are used to indicate the different flavors of the sugar-free syrup in North America.