Acesulfame-K, also known as Potassium Acetoacetate, is a non-nutritive sweetener commonly used as a sweetener substitute in food and beverages. It is 200 times sweeter than sucrose but has almost zero calories, so it is widely used in low-calorie or sugar-free foods and beverages.

The characteristics of acesulfame potassium include:

1. High sweetness: The sweetness of acesulfame potassium is about 200 times that of sucrose, which means that only a very small amount is needed to achieve the desired sweetness. Desired level of sweetness.

2. Low calorie: Acesulfame potassium contains almost no calories, making it an ideal sweetener choice for people who are concerned about their caloric intake or suffer from metabolic diseases such as diabetes.

3. Stability: Acesulfame potassium has good stability during cooking and processing, and is not easy to decompose or lose its sweetness.

4. Safety: Acesulfame potassium has been approved as a safe food additive by the U.S. Food and Drug Administration (FDA) and China and many other countries. Moderate consumption will not have a negative impact on health.

5. Wide application: Acesulfame potassium can be used in various foods and beverages, such as baked goods, candies, chewing gum, beverages, etc., and can also be used as table sweeteners and cooking condiments.

It should be noted that although acesulfame potassium is generally considered safe, excessive intake may cause some side effects, such as diarrhea, bloating, etc. Additionally, people with phenylketonuria (PKU) should avoid acesulfame potassium because it contains phenylalanine. Therefore, when consuming foods and beverages containing acesulfame potassium, attention should be paid to moderate intake.