Onions vs Capers
Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy
Capers, canned is higher in more vitamins & minerals
Calories (kcal)
Onions 40
Capers 23
Protein (g)
Onions 1.10
Capers 2.36
Carbs (g)
Onions 9.34
Capers 4.89
Fat (g)
Onions 0.100
Capers 0.860
Fiber (g)
Onions 1.70
Capers 3.20
Quick answers
Which has more protein?
Capers, canned — 2.36g vs 1.10g per 100g.
Which has fewer calories?
Capers, canned — 23 vs 40 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 | 40 kcal | 23 kcal | +74% |
| Macronutrients | |||
| Water | 89.1 g | 83.8 g | +6% |
| Protein | 1.10 g | 2.36 g | -53% |
| Total lipid (fat) | 0.100 g | 0.860 g | -88% |
| Carbohydrate, by difference | 9.34 g | 4.89 g | +91% |
| Fiber, total dietary | 1.70 g | 3.20 g | -47% |
| Fats & Fatty Acids | |||
| Fatty acids, total saturated | 0.042 g | 0.233 g | -82% |
| Fatty acids, total monounsaturated | 0.013 g | 0.063 g | -79% |
| Fatty acids, total trans | 0 g | 0 g | = |
| Cholesterol | 0 mg | 0 mg | = |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 7.40 mg | 4.30 mg | +72% |
| Thiamin (Vitamin B1) | 0.046 mg | 0.018 mg | +156% |
| Riboflavin (Vitamin B2) | 0.027 mg | 0.139 mg | -81% |
| Niacin (Vitamin B3) | 0.116 mg | 0.652 mg | -82% |
| Pantothenic acid (Vitamin B5) | 0.123 mg | 0.027 mg | +356% |
| Vitamin B-6 — Pyridoxine | 0.120 mg | 0.023 mg | +422% |
| Biotin (Vitamin B7) | 19.0 ug | 23.0 ug | -17% |
| Folate, total (Vitamin B9) | 0 ug | 0 ug | = |
| Choline, total | 6.10 mg | 6.50 mg | -6% |
| 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 | 23.0 mg | 40.0 mg | -42% |
| Iron, Fe | 0.210 mg | 1.67 mg | -87% |
| Magnesium, Mg | 10.0 mg | 33.0 mg | -70% |
| Phosphorus, P | 29.0 mg | 10.0 mg | +190% |
| Potassium, K | 146 mg | 40.0 mg | +265% |
| Sodium, Na | 4.00 mg | 2348 mg | -100% |
| Zinc, Zn | 0.170 mg | 0.320 mg | -47% |
| Copper, Cu | 0.039 mg | 0.374 mg | -90% |
| Manganese, Mn | 0.129 mg | 0.078 mg | +65% |
| Selenium, Se | 0.500 ug | 1.20 ug | -58% |
| Other Nutrients | |||
| Energy | 166 kj | 96.0 kj | +73% |
| Ash | 0.350 g | 8.04 g | -96% |
| Total Sugars | 4.24 g | 0.410 g | +934% |
| Sucrose | 0.990 g | — | |
| Glucose | 1.97 g | — | |
| Fructose | 1.29 g | — | |
| Lactose | 0 g | — | |
| Maltose | 0 g | — | |
| Galactose | 0 g | — | |
| Starch | 0 g | — | |
| Fluoride, F | 1.10 ug | — | |
| Folic acid (Vitamin B9 — synthetic) | 19.0 ug | 23.0 ug | -17% |
| Folate, DFE (Vitamin B9 — dietary folate equivalents) | 19.0 ug | 23.0 ug | -17% |
| Betaine | 0.100 mg | — | |
| 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 E — Alpha-Tocotrienol (α-Tocotrienol) | 0.040 mg | — | |
| Vitamin E — Beta-Tocotrienol (β-Tocotrienol) | 0 mg | — | |
| Vitamin E — Gamma-Tocotrienol (γ-Tocotrienol) | 0 mg | — | |
| Vitamin E — Delta-Tocotrienol (δ-Tocotrienol) | 0 mg | — | |
| Vitamin D (D2 + D3 — total) | 0 IU | 0 IU | = |
| Vitamin K1 — Phylloquinone | 0.400 ug | 24.6 ug | -98% |
| Vitamin K (Dihydrophylloquinone — K1 reduced form) | 0 ug | — | |
| 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) | 0.004 g | 0.001 g | +300% |
| SFA 15:0 (Pentadecanoic acid) | 0 g | — | |
| SFA 16:0 (Palmitic acid) | 0.034 g | 0.170 g | -80% |
| SFA 17:0 (Margaric acid) | 0 g | — | |
| SFA 18:0 (Stearic acid) | 0.004 g | 0.036 g | -89% |
| SFA 20:0 (Arachidic acid) | 0 g | — | |
| SFA 22:0 (Behenic acid) | 0 g | — | |
| SFA 24:0 (Lignoceric acid) | 0 g | — | |
| MUFA 14:1 (Myristoleic acid) | 0 g | — | |
| MUFA 15:1 (Pentadecenoic acid) | 0 g | — | |
| MUFA 16:1 (Omega-7, Palmitoleic acid) | 0 g | 0.004 g | -100% |
| MUFA 17:1 (Heptadecenoic acid) | 0 g | — | |
| MUFA 18:1 (Omega-9, Oleic acid family) | 0.013 g | 0.057 g | -77% |
| 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 | 0.017 g | 0.304 g | -94% |
| PUFA 18:2 (Omega-6, Linoleic acid) | 0.013 g | 0.111 g | -88% |
| 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 20:2 n-6 (Omega-6, Eicosadienoic acid) | 0 g | — | |
| PUFA 20:3 (DGLA family — Dihomo-gamma-linolenic acid) | 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 | 15.0 mg | 48.0 mg | -69% |
| Tryptophan (EAA) | 0.014 g | — | |
| Threonine (EAA) | 0.021 g | — | |
| Isoleucine (EAA, BCAA) | 0.014 g | — | |
| Leucine (EAA, BCAA) | 0.025 g | — | |
| Lysine (EAA) | 0.039 g | — | |
| Methionine (EAA) | 0.002 g | — | |
| Cystine (conditionally essential) | 0.004 g | — | |
| Phenylalanine (EAA) | 0.025 g | — | |
| Tyrosine (conditionally essential) | 0.014 g | — | |
| Valine (EAA, BCAA) | 0.021 g | — | |
| Arginine (conditionally essential) | 0.104 g | — | |
| Histidine (EAA) | 0.014 g | — | |
| Alanine | 0.021 g | — | |
| Aspartic acid | 0.091 g | — | |
| Glutamic acid | 0.258 g | — | |
| Glycine (conditionally essential) | 0.025 g | — | |
| Proline (conditionally essential) | 0.012 g | — | |
| Serine | 0.021 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 | — | |
| Apigenin | 0.010 mg | — | |
| Luteolin | 0.020 mg | — | |
| Kaempferol | 0.650 mg | 131 mg | -100% |
| Myricetin | 0.030 mg | — | |
| Quercetin | 20.3 mg | 173 mg | -88% |
| Flavonoids | |||
| (-)-Epicatechin | 0 mg | — | |
| (-)-Epicatechin 3-gallate | 0 mg | — | |
| (-)-Epigallocatechin | 0 mg | — | |
| (-)-Epigallocatechin 3-gallate | 0 mg | — | |
| (+)-Catechin | 0 mg | — | |
| (+)-Gallocatechin | 0 mg | — | |
| Choline | |||
| Choline from glycerophoshocholine | 0.600 mg | — | |
| Choline from phosphatidylcholine | 0.500 mg | — | |
| Choline from phosphocholine | 0.700 mg | — | |
| Choline from sphingomyelin | 0 mg | — | |
| Free Choline | 4.40 mg | — | |
| Total Choline | 6.10 mg | — | |
| Iodine | |||
| Iodine mcg/100gB | 0.300 mcg | — | |
| Fluoride | |||
| Mean mcg/100g ** | 1.10 mg | — | |
| 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.
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