“Karo was advertised as wholesome and good-tasting, and and as having a large variety of uses. Karo is made from a blend of sugars from cornstarch and 15 to 20 percent glucose. There are two varieties: light, which is almost clear and has vanilla flavoring; and dark, which is brown with a flavor similar to molasses. Karo is distributed all over the United States for home use. It is a liquid sweetener used in cooking and is fat- and cholesterol-free.”
https://diabetestalk.net/blood-sugar/is-corn-syrup-and-glucose-syrup-the-same-thing
It appears to only have a little glucose.
“It appears to only have a little glucose.”
From your own damn source!:
“While HFCS is comprised of approximately 45 percent glucose and 55 percent fructose (the exact percentage of fructose can vary depending on the product), plain corn syrup is simply glucose...”