Banana, date, sultana

None of these fruit contain any quantity of starch, but store sugar within the cellulose cell wall which reduces the surge of sugar. They form a useful sweetener for starchy meals, but this should not be taken beyond 20% of the ingredients by weight.

They all contain useful amounts of calcium and potassium.
protein starchsugarfatcalcium/100g
Banana1.2%2.3%20.9%0.3%11mg
Dates0.9%0%11.5%0.1%13mg
Sultanas2.7%0%69.4%0.4%64mg