Below is a list of naturally occurring carbohydrates, along with their sources and types of carbohydrates. Which of the following options is not accurate?

Sugar: Lactose

Type: Disaccharide

Source: Milk

Sugar: Maltose

Type: Disaccharide

Source: Barley

Sugar: Pectin

Type: Disaccharide

Source: Cell wall of plant

Sugar: Fructose

Type: Monosaccharide

Source: Fruit