You should add in that first chart Wheat.

From AI search (summary: Refined wheat is broken down into simple sugars, which are then absorbed and metabolized by the body in a similar manner to table sugar)

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Refined Wheat Metabolism
Based on the search results, refined wheat is digested quickly and can lead to spikes in blood sugar. This is because refined grains lack fiber, allowing the body to absorb carbohydrates more rapidly. The chains of simple sugars, particularly those in wheat, cause a greater spike in blood sugar than virtually any other food, including table sugar.

Insulin Response

The pancreas has to produce a significant amount of insulin to metabolize the glucose in flour-rich foods, which can set the body up for insulin resistance, diabetes, and bodywide inflammation. This rapid digestion and insulin response are similar to how the body metabolizes sugar.

Similarity to Sugar Metabolism

In terms of carbohydrate metabolism, the body does not differentiate between naturally occurring sugars and those added to foods. The metabolism of all carbohydrates follows the same pathway, yielding the core monosaccharides (such as glucose) as the end result. Refined wheat is broken down into simple sugars, which are then absorbed and metabolized by the body in a similar manner to table sugar.