5. PROPERTIES

The edible portion of export quality fruit ranges from 67 to 78 percent of the whole fruit. The energy value averages 458 kJ/100 g. The sugar content is very high. Composition of longan per 100 g edible portion is presented in Table 1.

Table 1. Nutritional composition of longan fruit

Calorie Unit	Moisture (%)	Protein (g)	Fat (g)	Carbohydrate (g)	Fibre (g)	Ca (mg)	P (mg)	Fe (mg)	Vit. A (I.U.)	Vit B1 (mg)	Vit B2 (mg)	Niacin (mg)	Vit. C (mg)
109.0	72.4	1.0	0.5	25.2	0.4	2.0	6.0	0.3	28.0	0.04	0.07	0.6	8.0

Source: Wong and Saichol (1991).