United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Basic Report:  35015, Blackberries, wild, raw (Alaska Native) a 
heading Nutrient Unit
Value per 100 g

cup 157 g
Proximates Water g 88.05 138.24
Proximates Energy kcal 52 82
Proximates Protein g 0.84 1.32
Proximates Total lipid (fat) g 1.07 1.68
Proximates Carbohydrate, by difference g 9.84 15.45
Proximates Fiber, total dietary g 3.2 5.0
Proximates Sugars, total g 3.65 5.73
Minerals Calcium, Ca mg 5 8
Minerals Iron, Fe mg 0.21 0.33
Minerals Magnesium, Mg mg 4 6
Minerals Phosphorus, P mg 11 17
Minerals Potassium, K mg 75 118
Minerals Sodium, Na mg 6 9
Minerals Zinc, Zn mg 0.15 0.24
Vitamins Vitamin C, total ascorbic acid mg 4.7 7.4
Vitamins Thiamin mg 0.060 0.094
Vitamins Riboflavin mg 0.144 0.226
Vitamins Niacin mg 0.314 0.493
Vitamins Vitamin B-6 mg 0.039 0.061
Vitamins Folate, DFE µg 11 17
Vitamins Vitamin B-12 µg 0.00 0.00
Vitamins Vitamin A, RAE µg 5 8
Vitamins Vitamin A, IU IU 46 72
Vitamins Vitamin E (alpha-tocopherol) mg 0.91 1.43
Vitamins Vitamin K (phylloquinone) µg 5.9 9.3
Other Caffeine mg 0 0

Footnotes

a  The mineral and vitamin content of berries harvested in the wild and in specific regions of the country may differ from commercially produced berries.