Table 2.

Carbohydrates used for Benedict's assay. All monosaccharides with unexposed reducing ends are in pyranose forms except fructose in sucrose, which is in the furanose form

Carbohydrate	Monosaccharides and bonds present
Agarose	[‐D‐galactose‐β‐1,4‐(3,6‐anhydro‐L‐galactose)‐α‐1,3‐]n
Cellobiose	D‐glucose‐β‐1,4‐D‐glucose
α‐cyclodextrin	Cyclo‐[‐D‐glucose‐α‐1,4‐]6
β‐cyclodextrin	Cyclo‐[‐D‐glucose‐α‐1,4‐]7
Lactose	D‐galactose‐β‐1,4‐D‐glucose
Maltose	D‐glucose‐α‐1,4‐D‐glucose
Melibiose	D‐galactose‐α‐1,6‐D‐glucose
Pullulan	[‐D‐glucose‐α‐1,4‐D‐glucose‐α‐1,4‐D‐glucose‐α‐1,6‐]n
Starch	[‐D‐glucose‐α‐1,4‐]n…D‐glucose‐α‐1,6‐D‐glucose…
Sucrose	D‐glucose‐α‐ β‐1,2‐ D‐fructose
Trehalose	D‐glucose‐α‐ α‐1,1‐ D‐glucose