Nutrition Facts and Analysis for Bananas, raw
There is just too little EFAs in Banana. Morevover, it's a weak source of protein . Bare in mind that EFAs need sufficient protein an others to work properly ( and vice versa ).
The Fatty Acid-Protein Connection
The highest source of EFAs in vegetable food ( or perhaps the entire food source ) is seeds and nuts. EFAs in green leaf and fruits are just so little that you need to eat that kind of quantity that ruminants consume with multiple digestive system .
Nutrition Facts and Analysis for Nuts, walnuts, black, dried
If you would compare Banana with Walnuts ( gram by gram ) , you would see there is a big difference in the EFAs content.
Spiriluna ( High protein, high minerals ) has always been considered as a superfood by many ( if you arent allergic to it) but it has not gained the popularity that it truly deserves. ( maybe alot of people are allergic to it but i do not know for sure)