Seaweed, spirulina, raw
USDA SR Legacy · 769.2 g
40.5 g more than your starting foodCompare these foodsVegetables · Nutrition facts
Raw Onions, Sweet
32 calories and 0.8 g of protein per 100 g. Reported fiber: 0.9 g.
Know what you’re comparing.
Onions, sweet, raw
- Source category
- Vegetables and Vegetable Products
- Nutrition basis
- Per 100 g
- Source record
- USDA FDC 170008
- Publication date
- Apr 2019
On a 100 g basis, this record has more protein than 12% of 1,428 other complete vegetables profiles.
Compare with another foodThe source matters
SR Legacy is USDA’s final historical reference release from 2018. It combines analyses, calculations, and literature. The publication date in FoodData Central is not the date every nutrient was measured.
Read about this datasetYour portion, your numbers
47calories
in 148 g| Nutrient | Amount | Daily value |
|---|---|---|
| Protein | 1.2 g | — |
| Carbohydrate | 11.2 g | 4% |
| Fat | 0.1 g | 0% |
| Fiber | 1.3 g | 5% |
| Total sugars | 7.4 g | — |
| Sodium | 12 mg | 1% |
| Saturated fat | — | — |
| Potassium | 176 mg | 4% |
| Calcium | 30 mg | 2% |
| Iron | 0.38 mg | 2% |
| Magnesium | 13 mg | 3% |
| Vitamin C | 7.1 mg | 8% |
| Vitamin D | 0 µg | 0% |
Estimated energy from macros
Protein 9%Carbs 89%Fat 2%
Uses 4 kcal/g for protein and carbohydrate, 9 for fat. Fiber, alcohol, and label rounding can make this differ from reported calories.
Daily values use the FDA adult reference for a 2,000-calorie diet. Your needs may differ. A dash means no reported value or no daily value shown.
Explore a different choice
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Same broad food category
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USDA SR Legacy · 909.1 g
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USDA SR Legacy · 909.1 g
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USDA SR Legacy · 69 g
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USDA SR Legacy · 666.7 g
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USDA SR Legacy · 869.6 g
29.7 g more than your starting foodCompare these foodsThese are nutrition comparisons, not equivalent ingredients. Check preparation, taste, serving size, and the current package before making a substitution.
Reported variation in the reference data
A food is more than one number.
Where the source reports a minimum and maximum, you can see that range alongside the displayed value.
| Nutrient | Displayed value | Reported minimum | Reported maximum | Data points |
|---|---|---|---|---|
| WaterPer 100 g | 91.24 g | 90.31 g | 92.2 g | 8 |
| ProteinPer 100 g | 0.8 g | 0.71 g | 0.86 g | 7 |
| Total lipid (fat)Per 100 g | 0.08 g | 0.07 g | 0.14 g | 8 |
| AshPer 100 g | 0.34 g | 0.12 g | 0.58 g | 7 |
| Fiber, total dietaryPer 100 g | 0.9 g | 0.8 g | 1.1 g | 7 |
| SucrosePer 100 g | 0.72 g | 0.59 g | 0.89 g | 8 |
| GlucosePer 100 g | 2.26 g | 1.92 g | 2.6 g | 7 |
| FructosePer 100 g | 2.02 g | 1.72 g | 2.35 g | 8 |
These are source-reported summary fields, not a predicted range for your particular food or a statistical confidence interval.
All 78 reported nutrient values Per 100 g
| Nutrient | Amount | USDA identifier |
|---|---|---|
| Water | 91.24 g | 1051 |
| Energy | 32 kcal | 1008 |
| Energy | 133 kj | 1062 |
| Protein | 0.8 g | 1003 |
| Total lipid (fat) | 0.08 g | 1004 |
| Ash | 0.34 g | 1007 |
| Carbohydrate, by difference | 7.55 g | 1005 |
| Fiber, total dietary | 0.9 g | 1079 |
| Sugars, Total | 5.02 g | 2000 |
| Sucrose | 0.72 g | 1010 |
| Glucose | 2.26 g | 1011 |
| Fructose | 2.02 g | 1012 |
| Lactose | 0.02 g | 1013 |
| Maltose | 0 g | 1014 |
| Galactose | 0 g | 1075 |
| Starch | 0 g | 1009 |
| Calcium, Ca | 20 mg | 1087 |
| Iron, Fe | 0.26 mg | 1089 |
| Magnesium, Mg | 9 mg | 1090 |
| Phosphorus, P | 27 mg | 1091 |
| Potassium, K | 119 mg | 1092 |
| Sodium, Na | 8 mg | 1093 |
| Zinc, Zn | 0.13 mg | 1095 |
| Copper, Cu | 0.056 mg | 1098 |
| Manganese, Mn | 0.076 mg | 1101 |
| Selenium, Se | 0.5 µg | 1103 |
| Vitamin C, total ascorbic acid | 4.8 mg | 1162 |
| Thiamin | 0.041 mg | 1165 |
| Riboflavin | 0.02 mg | 1166 |
| Niacin | 0.133 mg | 1167 |
| Pantothenic acid | 0.098 mg | 1170 |
| Vitamin B-6 | 0.13 mg | 1175 |
| Folate, total | 23 µg | 1177 |
| Folate, food | 23 µg | 1187 |
| Choline, total | 5.5 mg | 1180 |
| Betaine | 0.1 mg | 1198 |
| Vitamin A, RAE | 0 µg | 1106 |
| Carotene, beta | 1 µg | 1107 |
| Carotene, alpha | 0 µg | 1108 |
| Cryptoxanthin, beta | 0 µg | 1120 |
| Vitamin A, IU | 1 iu | 1104 |
| Lycopene | 0 µg | 1122 |
| Lutein + zeaxanthin | 6 µg | 1123 |
| Vitamin E (alpha-tocopherol) | 0.02 mg | 1109 |
| Tocopherol, beta | 0 mg | 1125 |
| Tocopherol, gamma | 0 mg | 1126 |
| Tocopherol, delta | 0 mg | 1127 |
| Tocotrienol, alpha | 0.01 mg | 1128 |
| Tocotrienol, beta | 0 mg | 1129 |
| Tocotrienol, gamma | 0 mg | 1130 |
| Tocotrienol, delta | 0 mg | 1131 |
| Vitamin D (D2 + D3), International Units | 0 iu | 1110 |
| Vitamin D (D2 + D3) | 0 µg | 1114 |
| Vitamin K (phylloquinone) | 0.3 µg | 1185 |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 1184 |
| Fatty acids, total trans | 0 g | 1257 |
| Cholesterol | 0 mg | 1253 |
| Tryptophan | 0.009 g | 1210 |
| Threonine | 0.018 g | 1211 |
| Isoleucine | 0.014 g | 1212 |
| Leucine | 0.025 g | 1213 |
| Lysine | 0.033 g | 1214 |
| Methionine | 0.009 g | 1215 |
| Cystine | 0.009 g | 1216 |
| Phenylalanine | 0.024 g | 1217 |
| Tyrosine | 0.012 g | 1218 |
| Valine | 0.02 g | 1219 |
| Arginine | 0.111 g | 1220 |
| Histidine | 0.011 g | 1221 |
| Alanine | 0.017 g | 1222 |
| Aspartic acid | 0.067 g | 1223 |
| Glutamic acid | 0.177 g | 1224 |
| Glycine | 0.02 g | 1225 |
| Proline | 0.015 g | 1226 |
| Serine | 0.02 g | 1227 |
| Alcohol, ethyl | 0 g | 1018 |
| Caffeine | 0 mg | 1057 |
| Theobromine | 0 mg | 1058 |
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