United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Try FoodData Central Basic Report:  09446, Plantains, green, fried a 
heading Nutrient Unit
Value per 100 g

cup 118 g

slices (1/4" thick) 53 g
Proximates Water g 36.08 42.57 19.12
Proximates Energy kcal 309 365 164
Proximates Protein g 1.50 1.77 0.80
Proximates Total lipid (fat) g 11.81 13.94 6.26
Proximates Carbohydrate, by difference g 49.17 58.02 26.06
Proximates Fiber, total dietary g 3.5 4.1 1.9
Proximates Sugars, total g 3.63 4.28 1.92
Minerals Calcium, Ca mg 4 5 2
Minerals Iron, Fe mg 0.67 0.79 0.36
Minerals Magnesium, Mg mg 58 68 31
Minerals Phosphorus, P mg 44 52 23
Minerals Potassium, K mg 482 569 255
Minerals Sodium, Na mg 2 2 1
Minerals Zinc, Zn mg 0.23 0.27 0.12
Vitamins Vitamin C, total ascorbic acid mg 3.4 4.0 1.8
Vitamins Thiamin mg 0.047 0.055 0.025
Vitamins Riboflavin mg 0.102 0.120 0.054
Vitamins Niacin mg 0.818 0.965 0.434
Vitamins Vitamin B-6 mg 0.264 0.312 0.140
Vitamins Vitamin A, RAE µg 60 71 32
Vitamins Vitamin A, IU IU 1192 1407 632
Lipids Fatty acids, total saturated g 3.690 4.354 1.956
Lipids Fatty acids, total monounsaturated g 4.353 5.137 2.307
Lipids Fatty acids, total polyunsaturated g 2.697 3.182 1.429
Lipids Fatty acids, total trans g 0.159 0.188 0.084

Footnotes
a  Fatty acid values reflect plantains fried in corn oil.