Onions vs Capers
Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy
Capers, canned is higher in more vitamins & minerals
Calories (kcal)
Onions 44
Capers 23
Protein (g)
Onions 1.36
Capers 2.36
Carbs (g)
Onions 10.1
Capers 4.89
Fat (g)
Onions 0.190
Capers 0.860
Fiber (g)
Onions 1.40
Capers 3.20
Quick answers
Which has more protein?
Capers, canned — 2.36g vs 1.36g per 100g.
Which has fewer calories?
Capers, canned — 23 vs 44 kcal per 100g.
Which is more nutrient-dense?
Capers, canned scores higher in more vitamins and minerals per 100g, though both foods can be part of a healthy diet.
Full Nutrition Comparison
All values per 100g edible portion. Green = Food A higher · Blue = Food B higher
| Nutrient | Onions | Capers | Diff |
|---|---|---|---|
| Energy | |||
| Energy | 44 kcal | 23 kcal | +91% |
| Macronutrients | |||
| Water | 87.9 g | 83.8 g | +5% |
| Protein | 1.36 g | 2.36 g | -42% |
| Total lipid (fat) | 0.190 g | 0.860 g | -78% |
| Carbohydrate, by difference | 10.1 g | 4.89 g | +108% |
| Fiber, total dietary | 1.40 g | 3.20 g | -56% |
| Fats & Fatty Acids | |||
| Fatty acids, total saturated | 0.031 g | 0.233 g | -87% |
| Fatty acids, total monounsaturated | 0.027 g | 0.063 g | -57% |
| Fatty acids, total trans | 0 g | 0 g | = |
| Cholesterol | 0 mg | 0 mg | = |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 5.20 mg | 4.30 mg | +21% |
| Thiamin (Vitamin B1) | 0.042 mg | 0.018 mg | +133% |
| Riboflavin (Vitamin B2) | 0.023 mg | 0.139 mg | -83% |
| Niacin (Vitamin B3) | 0.165 mg | 0.652 mg | -75% |
| Pantothenic acid (Vitamin B5) | 0.113 mg | 0.027 mg | +319% |
| Vitamin B-6 — Pyridoxine | 0.129 mg | 0.023 mg | +461% |
| Biotin (Vitamin B7) | 15.0 ug | 23.0 ug | -35% |
| Folate, total (Vitamin B9) | 0 ug | 0 ug | = |
| Choline, total | 6.80 mg | 6.50 mg | +5% |
| Vitamin B-12 — Cobalamin | 0 ug | 0 ug | = |
| Vitamin A, RAE | 0 ug | 7.00 ug | -100% |
| Carotene, beta | 1.00 ug | 83.0 ug | -99% |
| Carotene, alpha | 0 ug | 0 ug | = |
| Vitamin E (alpha-tocopherol) | 0.020 mg | 0.880 mg | -98% |
| Vitamin D (D2 + D3) | 0 ug | 0 ug | = |
| Minerals | |||
| Calcium, Ca | 22.0 mg | 40.0 mg | -45% |
| Iron, Fe | 0.240 mg | 1.67 mg | -86% |
| Magnesium, Mg | 11.0 mg | 33.0 mg | -67% |
| Phosphorus, P | 35.0 mg | 10.0 mg | +250% |
| Potassium, K | 166 mg | 40.0 mg | +315% |
| Sodium, Na | 3.00 mg | 2348 mg | -100% |
| Zinc, Zn | 0.210 mg | 0.320 mg | -34% |
| Copper, Cu | 0.067 mg | 0.374 mg | -82% |
| Manganese, Mn | 0.153 mg | 0.078 mg | +96% |
| Selenium, Se | 0.600 ug | 1.20 ug | -50% |
| Other Nutrients | |||
| Energy | 184 kj | 96.0 kj | +92% |
| Ash | 0.440 g | 8.04 g | -95% |
| Total Sugars | 4.73 g | 0.410 g | +1054% |
| Sucrose | 1.10 g | — | |
| Glucose | 2.19 g | — | |
| Fructose | 1.44 g | — | |
| Lactose | 0 g | — | |
| Maltose | 0 g | — | |
| Galactose | 0 g | — | |
| Folic acid (Vitamin B9 — synthetic) | 15.0 ug | 23.0 ug | -35% |
| Folate, DFE (Vitamin B9 — dietary folate equivalents) | 15.0 ug | 23.0 ug | -35% |
| Vitamin B-12, added | 0 ug | 0 ug | = |
| Retinol | 0 ug | 0 ug | = |
| Beta-carotene (Provitamin A) | 0 ug | 0 ug | = |
| Vitamin A, IU | 2.00 IU | 138 IU | -99% |
| Beta-cryptoxanthin (Provitamin A) | 0 ug | 0 ug | = |
| Lycopene | 4.00 ug | 0 ug | |
| Vitamin E, added | 0 mg | 0 mg | = |
| Vitamin E — Beta-Tocopherol (β-Tocopherol) | 0 mg | — | |
| Vitamin E — Gamma-Tocopherol (γ-Tocopherol) | 0 mg | — | |
| Vitamin E — Delta-Tocopherol (δ-Tocopherol) | 0 mg | — | |
| Vitamin D (D2 + D3 — total) | 0 IU | 0 IU | = |
| Vitamin K1 — Phylloquinone | 0.500 ug | 24.6 ug | -98% |
| SFA 4:0 (Butyric acid) | 0 g | 0 g | = |
| SFA 6:0 (Caproic acid) | 0 g | 0 g | = |
| SFA 8:0 (Caprylic acid) | 0 g | 0 g | = |
| SFA 10:0 (Capric acid) | 0 g | 0 g | = |
| SFA 12:0 (Lauric acid) | 0 g | 0 g | = |
| SFA 14:0 (Myristic acid) | 0.001 g | 0.001 g | = |
| SFA 16:0 (Palmitic acid) | 0.028 g | 0.170 g | -84% |
| SFA 18:0 (Stearic acid) | 0.002 g | 0.036 g | -94% |
| MUFA 16:1 (Omega-7, Palmitoleic acid) | 0 g | 0.004 g | -100% |
| MUFA 18:1 (Omega-9, Oleic acid family) | 0.027 g | 0.057 g | -53% |
| MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) | 0 g | 0.001 g | -100% |
| MUFA 22:1 (Omega-9, Erucic acid family) | 0 g | 0 g | = |
| Fatty acids, total polyunsaturated | 0.073 g | 0.304 g | -76% |
| PUFA 18:2 (Omega-6, Linoleic acid) | 0.070 g | 0.111 g | -37% |
| PUFA 18:3 (Omega-3, Alpha-linolenic family) | 0.004 g | 0.183 g | -98% |
| PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) | 0 g | 0 g | = |
| PUFA 20:4 (Omega-6, Arachidonic acid family) | 0 g | 0.002 g | -100% |
| PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) | 0 g | 0 g | = |
| PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) | 0 g | 0.001 g | -100% |
| PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) | 0 g | 0 g | = |
| Phytosterols | 18.0 mg | 48.0 mg | -62% |
| Tryptophan (EAA) | 0.020 g | — | |
| Threonine (EAA) | 0.033 g | — | |
| Isoleucine (EAA, BCAA) | 0.048 g | — | |
| Leucine (EAA, BCAA) | 0.048 g | — | |
| Lysine (EAA) | 0.065 g | — | |
| Methionine (EAA) | 0.011 g | — | |
| Cystine (conditionally essential) | 0.024 g | — | |
| Phenylalanine (EAA) | 0.035 g | — | |
| Tyrosine (conditionally essential) | 0.034 g | — | |
| Valine (EAA, BCAA) | 0.031 g | — | |
| Arginine (conditionally essential) | 0.183 g | — | |
| Histidine (EAA) | 0.022 g | — | |
| Alanine | 0.038 g | — | |
| Aspartic acid | 0.074 g | — | |
| Glutamic acid | 0.220 g | — | |
| Glycine (conditionally essential) | 0.057 g | — | |
| Proline (conditionally essential) | 0.042 g | — | |
| Serine | 0.040 g | — | |
| Alcohol, ethyl | 0 g | 0 g | = |
| Caffeine | 0 mg | 0 mg | = |
| Theobromine | 0 mg | 0 mg | = |
| Daidzein | 0 mg | — | |
| Genistein | 0 mg | — | |
| Proanthocyanidin dimers | 0 mg | — | |
| Proanthocyanidin trimers | 0 mg | — | |
| Proanthocyanidin 4-6mers | 0 mg | — | |
| Proanthocyanidin 7-10mers | 0 mg | — | |
| Proanthocyanidin polymers (>10mers) | 0 mg | — | |
| Kaempferol | 0.340 mg | 131 mg | -100% |
| Quercetin | 24.4 mg | 173 mg | -86% |
| Isoflavones | |||
| Total isoflavones | 0 mg | — | |
* All values per 100g edible portion. Source: USDA SR Legacy and USDA SR Legacy. Diff column shows percentage difference relative to Food B.
Onions, cooked, boiled, drained, without salt nutrition facts Capers, canned nutrition facts Compare other foods →
Dig deeper — biggest differences
Vitamin B-6 — Pyridoxine +461% in Onions, cooked, boiled, drained, without salt Pantothenic acid (Vitamin B5) +319% in Onions, cooked, boiled, drained, without salt Potassium, K +315% in Onions, cooked, boiled, drained, without salt Phosphorus, P +250% in Onions, cooked, boiled, drained, without salt
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