Nutritional Composition of Jak and Breadfruit

(100 grams produce, raw weight)

Nutrients	Measure	Jak bulbs raw	Jak seeds raw	Breadfruit raw
Energy	kc	51	151	113
Proteins	gr.	2.6	4.3	1.5
Fats	gr.	3	.4	1.5
Carbohydrates	gr.	9.4	32.6	26.0
Calcium	mgr.	30.0	35.0	25.0
Phosphorous	mgr.	40.0	126.0	Nil
Iron	mgr	1.7	1.2	1.0
Vitamin A	micro gr	Nil	Nil	Nil
Carotene	micro gr	Nil	25 .0	Nil
Thianm	micro gr	50.0	180.0	100.0
Riboflavin	micro gr	40.0	50.0	60.0
Niacin	mgr	.2	.5	1.2
VitammC	mgr.	14.0	17.5	20. 0
Moisture	gr	84.0	70.0	60. 9

Source: An extract from food composition tables: Medical Institute, Sri Lanka.

It is to be noted that the calorie content of 100 grams of produce dry weight would be considerably higher due to the reduction in moisture content.