Nutrition reference
Tomato, Roma
Tomato, Roma is published in Vegetables and Vegetable Products as Foundation data. Nutrient values in this profile use a 100 g comparison basis; the displayed energy value is 22 kcal per 100 g. USDA also provides 1 household portion reference for this item where shown below. Nutrient percentiles and similar-food links compare only values with matching units across the published FoodData Central collections. These comparisons describe the dataset and are not dietary recommendations, medical advice or a substitute for individual nutrition guidance.
Key facts
- Serving size
- 100 g reference basis
- Calories
- 22.0
- Food category
- Vegetables and Vegetable Products
- Food class
- FinalFood
- Food data type
- Foundation
- Publication date
- 10/28/2021
- Historical reference
- No
- Nutrients
Ash 0.312 g Biotin 0.469 µg Calcium, Ca 9.96 mg Carbohydrate, by difference 3.84 g Carotene, alpha 0.875 µg Carotene, beta 276 µg Carotene, gamma 2.12 µg Copper, Cu 0.032 mg Cryptoxanthin, alpha 9.62 µg Cryptoxanthin, beta 19.1 µg Energy (Atwater General Factors) 22.0 kcal Energy (Atwater Specific Factors) 19.0 kcal Fiber, total dietary 0.971 g Folate, total 9.99 µg Iron, Fe 0.103 mg Lutein 56.0 µg Lutein + zeaxanthin 56.0 µg Lycopene 2860.0 µg Magnesium, Mg 8.09 mg Manganese, Mn 0.087 mg Niacin 0.533 mg Nitrogen 0.111 g Phosphorus, P 19.1 mg Potassium, K 193 mg Protein 0.696 g Riboflavin 0.0 mg Selenium, Se 0.0 µg Sodium, Na 0.0 mg Thiamin 0.056 mg Total lipid (fat) 0.425 g Vitamin A, RAE 23.9 µg Vitamin B-6 0.079 mg Vitamin C, total ascorbic acid 17.8 mg Water 94.7 g Zeaxanthin 0.0 µg Zinc, Zn 0.082 mg cis-Lutein/Zeaxanthin 0.0 µg
USDA household references
Published portions
Portions translate household measures to gram weights; nutrient comparisons on this site remain per 100 g.
| Amount | Measure | Gram weight |
|---|---|---|
| 1.0 | RACC | 85.0 g |
USDA analytical context
Nutrient identifiers and derivation
Nutrient IDs, data-point counts and derivation descriptions are preserved from FoodData Central; blank fields were not supplied by the source.
| Nutrient | USDA ID | Number | Data points | Derivation | Method/source description |
|---|---|---|---|---|---|
| Ash | 1007 | 207 | 8 | A | Analytical |
| Biotin | 1176 | 416 | 8 | A | Analytical |
| Calcium, Ca | 1087 | 301 | 8 | A | Analytical |
| Carbohydrate, by difference | 1005 | 205 | None | NC | Calculated |
| Carotene, alpha | 1108 | 322 | 8 | A | Analytical |
| Carotene, beta | 1107 | 321 | 8 | A | Analytical |
| Carotene, gamma | 1118 | 332 | 8 | A | Analytical |
| Copper, Cu | 1098 | 312 | 8 | A | Analytical |
| Cryptoxanthin, alpha | 2032 | 335 | 8 | A | Analytical |
| Cryptoxanthin, beta | 1120 | 334 | 8 | A | Analytical |
| Energy (Atwater General Factors) | 2047 | 957 | None | NC | Calculated |
| Energy (Atwater Specific Factors) | 2048 | 958 | None | NC | Calculated |
| Fiber, total dietary | 1079 | 291 | 8 | A | Analytical |
| Folate, total | 1177 | 417 | 8 | A | Analytical |
| Iron, Fe | 1089 | 303 | 8 | A | Analytical |
| Lutein | 1121 | 338.1 | 8 | A | Analytical |
| Lutein + zeaxanthin | 1123 | 338 | None | AS | Summed |
| Lycopene | 1122 | 337 | 8 | A | Analytical |
| Magnesium, Mg | 1090 | 304 | 8 | A | Analytical |
| Manganese, Mn | 1101 | 315 | 8 | A | Analytical |
| Niacin | 1167 | 406 | 8 | A | Analytical |
| Nitrogen | 1002 | 202 | 8 | A | Analytical |
| Phosphorus, P | 1091 | 305 | 8 | A | Analytical |
| Potassium, K | 1092 | 306 | 8 | A | Analytical |
| Protein | 1003 | 203 | None | NC | Calculated |
| Riboflavin | 1166 | 405 | 8 | A | Analytical |
| Selenium, Se | 1103 | 317 | 8 | A | Analytical |
| Sodium, Na | 1093 | 307 | 8 | A | Analytical |
| Thiamin | 1165 | 404 | 8 | A | Analytical |
| Total lipid (fat) | 1004 | 204 | 8 | A | Analytical |
| Vitamin A, RAE | 1106 | 320 | None | NC | Calculated |
| Vitamin B-6 | 1175 | 415 | 8 | A | Analytical |
| Vitamin C, total ascorbic acid | 1162 | 401 | 8 | A | Analytical |
| Water | 1051 | 255 | 7 | A | Analytical |
| Zeaxanthin | 1119 | 338.2 | 8 | A | Analytical |
| Zinc, Zn | 1095 | 309 | 8 | A | Analytical |
| cis-Lutein/Zeaxanthin | 1161 | 338.3 | 8 | A | Analytical |
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
USDA FoodData Central
- Applicable date
- 2026-04-30
- Dataset version
- 186e988ec542
- License
- Creative Commons CC0 1.0
- Attribution
- U.S. Department of Agriculture, Agricultural Research Service
DataOfWorld deterministic nutrition profile template
- Applicable date
- 2026-04-30
- Dataset version
- nutrition-profile-v2
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.