Ready to practise? Start with a free mock.
View free testsNutrition
A ranking of how quickly a carbohydrate food raises blood sugar level after eating, compared with a reference food like pure glucose.
White rice generally has a higher glycaemic index than most whole grains, which is why doctors often suggest brown rice or millets for diabetics.
One of the three main nutrients in food (along with protein and fat). It is the body's main source of quick energy, mostly starches and sugars.
A sugar with a free aldehyde or ketone group that can act as a reducing agent — glucose, fructose, lactose and maltose are reducing sugars. Sucrose is not, because both anomeric carbons are involved in the glycosidic bond.
