Citrus fruits are very rich in vitamin C which is very essential for human health. This vitamin can't be stored in the human body for future use. Hence vitamin C is to be taken every day as practicable to maintain good health. The per day requirement of vitamin C is 30mg/person.

Nutritive Value :
Each 100 g edible portion of Lemon contains
moisture 88.4 g, Minerals 0.6 g, Fibre 1.7 g. Energy 47 K cal. protein 0.3 g, fat 0.7 g, carbohydrate 10.0 g, calcium 40 mg, iron 2.3 mg, vitamin B2. 0.03 mg. vitamin 'C' 47 mg.