Nutrients are present in all the fruits but in different quantities. Hence, it is essential to be aware of the nutritional value of fruits before we add them to our health routine. Jackfruit vs Kumquat Nutrition will help you choose the best fruit among the two. Carbs in Jackfruit and Kumquat are 23.30 g and 15.90 g respectively. The protein content of Jackfruit and Kumquat is 1.72 g and 1.88 g. Protein to carb ratio of any fruit must be approximately 1.34. Protein to carb ratio of Jackfruit is 0.07 and in Kumquat, it is 0.12. Nutritional value of fruits is incomparable to other food items. They provide all the vital nutrients required for proper functioning of our body.