Plums vs. Sweet Potatoes

Nutrition comparison of Plums and Sweet Potatoes


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of plums versus sweet potatoes (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in plums and sweet potatoes:

  • Sweet potato has 58% less sugar than plum.
  • Sweet potato has more beta-carotene than plum, however, plum contains more lutein + zeaxanthin than sweet potato.
  • Sweet potato has more thiamin, riboflavin, pantothenic acid, Vitamin B6 and folate.
  • Sweet potato is a great source of dietary fiber.
  • Sweet potato is an excellent source of Vitamin A and potassium.
Detailed nutritional comparison of plums and sweet potatoes is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Plums (Plums, raw) and Sweet Potatoes (Sweet potato, raw, unprepared) . Have a correction or suggestions? Shoot us an email.


Image of Plums src
Image of Sweet Potatoes src

Calories and Carbs

calories

Plum has 47% less calories than sweet potato - sweet potato has 86 calories per 100 grams and plum has 46 calories.

For macronutrient ratios, plums is heavier in fat and similar to sweet potatoes for protein and carbs. Plums has a macronutrient ratio of 6:89:5 and for sweet potatoes, 7:92:1 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Plums Sweet Potatoes
Protein 6% 7%
Carbohydrates 89% 92%
Fat 5% 1%
Alcohol ~ ~

carbohydrates

Plum has 43% less carbohydrates than sweet potato - sweet potato has 20.1g of total carbs per 100 grams and plum has 11.4g of carbohydrates.

The carbs in sweet potatoes are made of 64% starch, 21% sugar and 15% dietary fiber, whereas the carbs in plums comprise of 88% sugar and 12% dietary fiber.

dietary fiber

Sweet potato is a great source of dietary fiber and it has 114% more dietary fiber than plum - sweet potato has 3g of dietary fiber per 100 grams and plum has 1.4g of dietary fiber.

sugar

Sweet potato has 58% less sugar than plum - sweet potato has 4.2g of sugar per 100 grams and plum has 9.9g of sugar.

Protein

protein

Sweet potatoes and plums contain similar amounts of protein - sweet potato has 1.6g of protein per 100 grams and plum has 0.7g of protein.

Fat

saturated fat

Both sweet potatoes and plums are low in saturated fat - sweet potato has 0.02g of saturated fat per 100 grams and plum has 0.02g of saturated fat.

Vitamins

Vitamin C

Plum has 296% more Vitamin C than sweet potato - sweet potato has 2.4mg of Vitamin C per 100 grams and plum has 9.5mg of Vitamin C.

Vitamin A

Sweet potato is an excellent source of Vitamin A and it has 40 times more Vitamin A than plum - sweet potato has 709ug of Vitamin A per 100 grams and plum has 17ug of Vitamin A.

Vitamin E

Sweet potatoes and plums contain similar amounts of Vitamin E - sweet potato has 0.26mg of Vitamin E per 100 grams and plum has 0.26mg of Vitamin E.

Vitamin K

Sweet potatoes and plums contain similar amounts of Vitamin K - sweet potato has 1.8ug of Vitamin K per 100 grams and plum has 6.4ug of Vitamin K.

The B Vitamins

Sweet potato has more thiamin, riboflavin, pantothenic acid, Vitamin B6 and folate. Both plums and sweet potatoes contain significant amounts of niacin.

Plums Sweet Potatoes
Thiamin 0.028 MG 0.078 MG
Riboflavin 0.026 MG 0.061 MG
Niacin 0.417 MG 0.557 MG
Pantothenic acid 0.135 MG 0.8 MG
Vitamin B6 0.029 MG 0.209 MG
Folate 5 UG 11 UG

Minerals

calcium

Sweet potato has 400% more calcium than plum - sweet potato has 30mg of calcium per 100 grams and plum has 6mg of calcium.

iron

Sweet potato has 259% more iron than plum - sweet potato has 0.61mg of iron per 100 grams and plum has 0.17mg of iron.

potassium

Sweet potato is an excellent source of potassium and it has 115% more potassium than plum - sweet potato has 337mg of potassium per 100 grams and plum has 157mg of potassium.

Antioxidants and Phytonutrients

flavonoids

Naturally occuring in fruits and vegetables, flavonoids are associated with many health benefits and used in a variety of medicinal and pharmaceutical applications. [2][3]

For specific flavonoid compounds,

Plums Sweet Potatoes
Quercetin 0.9 mg 0.01 mg
apigenin ~ 0.01 mg
luteolin ~ 0.02 mg
kaempferol ~ 0.01 mg
myricetin ~ 0.03 mg

carotenoids

Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]

For specific types of carotenoids, sweet potato has more beta-carotene than plum per 100 grams, however, plum contains more lutein + zeaxanthin than sweet potato per 100 grams.

Plums Sweet Potatoes
beta-carotene 190 UG 8509 UG
lutein + zeaxanthin 73 UG ~
alpha-carotene ~ 7 UG

Omega-3 and Omega-6

omega 6s

Comparing omega-6 fatty acids, both plums and sweet potatoes contain small amounts of linoleic acid.

Plums Sweet Potatoes
linoleic acid 0.044 G 0.013 G
Total 0.044 G 0.013 G



Customize your serving size


The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).

You can try adding or subtracting the amount of either Plums or Sweet Potatoes .

Note: The specific food items compared are: Plums (Plums, raw) and Sweet Potatoes (Sweet potato, raw, unprepared) .

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FAQ

Does sweet potatoes or plums contain more calories in 100 grams?
Plum has 50% less calories than sweet potato - sweet potato has 86 calories in 100g and plum has 46 calories.

Does sweet potatoes or plums have more carbohydrates?
By weight, plum has 40% fewer carbohydrates than sweet potato - sweet potato has 20.1g of carbs for 100g and plum has 11.4g of carbohydrates. the carbs in sweet potatoes are made of 60% starch, 20% sugar and 20% dietary fiber, whereas the carbs in plums comprise of 90% sugar and 10% dietary fiber.

Does sweet potatoes or plums contain more potassium?
Sweet potato is a rich source of potassium and it has 120% more potassium than plum - sweet potato has 337mg of potassium in 100 grams and plum has 157mg of potassium.

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