Which statement about fructose is accurate?

Fructose is indeed sweeter than glucose, which is why the choice is accurate. This higher sweetness level can be attributed to its molecular structure, which interacts more intensely with the sweetness receptors on the tongue. This property of fructose makes it a popular choice as a sweetener in various food products, often used in the form of high-fructose corn syrup.

On the other hand, fructose is not contained within sucrose; rather, sucrose is a disaccharide made up of glucose and fructose linked together. While fructose is a sugar, it doesn't mean it contains sucrose.

In terms of digestion, fructose is absorbed differently compared to glucose. Although it may take a comparable amount of time for both to be digested, fructose tends to bypass the insulin response that glucose elicits, which can sometimes create the impression that it digests slower, yet it's not a definitive characteristic.

As for concentration, fructose actually has a higher concentration in many sweetening agents than glucose. Therefore, among the available options, stating that fructose is sweeter than glucose accurately reflects its properties in the context of sweetness perception.