Onion vs. Serrano Pepper
Nutrition comparison of Onion and Serrano Pepper
Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
onion
versus
serrano pepper
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in onion and serrano pepper:
- Serrano pepper has more riboflavin, niacin and Vitamin B6.
- Serrano pepper is an excellent source of Vitamin C, dietary fiber and potassium.
USDA sources for nutritional information: Onion (Onions, raw) and Serrano Pepper (Peppers, serrano, raw) . Have a correction or suggestions? Shoot us an email.
Calories and Carbs
calories
Serrano pepper and onion contain similar amounts of calories - serrano pepper has 32 calories per 100 grams and onion has 40 calories.
For macronutrient ratios, onion is lighter in protein, heavier in carbs and lighter in fat compared to serrano pepper per calorie. Onion has a macronutrient ratio of 11:87:3 and for serrano pepper, 18:71:11 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
| Onion | Serrano Pepper | |
|---|---|---|
| Protein | 11% | 18% |
| Carbohydrates | 87% | 71% |
| Fat | 3% | 11% |
| Alcohol | ~ | ~ |
carbohydrates
Serrano pepper and onion contain similar amounts of carbs - serrano pepper has 6.7g of total carbs per 100 grams and onion has 9.3g of carbohydrates.
dietary fiber
Serrano pepper is an excellent source of dietary fiber and it has 118% more dietary fiber than onion - serrano pepper has 3.7g of dietary fiber per 100 grams and onion has 1.7g of dietary fiber.
sugar
Serrano pepper and onion contain similar amounts of sugar - serrano pepper has 3.8g of sugar per 100 grams and onion has 4.2g of sugar.
Protein
protein
Serrano pepper and onion contain similar amounts of protein - serrano pepper has 1.7g of protein per 100 grams and onion has 1.1g of protein.
Fat
saturated fat
Both serrano pepper and onion are low in saturated fat - serrano pepper has 0.06g of saturated fat per 100 grams and onion has 0.04g of saturated fat.
Vitamins
Vitamin C
Serrano pepper is an excellent source of Vitamin C and it has 507% more Vitamin C than onion - serrano pepper has 44.9mg of Vitamin C per 100 grams and onion has 7.4mg of Vitamin C.
Vitamin A
Serrano pepper has more Vitamin A than onion - serrano pepper has 47ug of Vitamin A per 100 grams and onion does not contain significant amounts.
Vitamin E
Serrano pepper and onion contain similar amounts of Vitamin E - serrano pepper has 0.69mg of Vitamin E per 100 grams and onion has 0.02mg of Vitamin E.
Vitamin K
Serrano pepper and onion contain similar amounts of Vitamin K - serrano pepper has 11.8ug of Vitamin K per 100 grams and onion has 0.4ug of Vitamin K.
The B Vitamins
Serrano pepper has more riboflavin, niacin and Vitamin B6. Both onion and serrano pepper contain significant amounts of thiamin, pantothenic acid and folate.
| Onion | Serrano Pepper | |
|---|---|---|
| Thiamin | 0.046 MG | 0.054 MG |
| Riboflavin | 0.027 MG | 0.081 MG |
| Niacin | 0.116 MG | 1.537 MG |
| Pantothenic acid | 0.123 MG | 0.2 MG |
| Vitamin B6 | 0.12 MG | 0.505 MG |
| Folate | 19 UG | 23 UG |
Minerals
calcium
Onion has 109% more calcium than serrano pepper - serrano pepper has 11mg of calcium per 100 grams and onion has 23mg of calcium.
iron
Serrano pepper has 310% more iron than onion - serrano pepper has 0.86mg of iron per 100 grams and onion has 0.21mg of iron.
potassium
Serrano pepper is an excellent source of potassium and it has 109% more potassium than onion - serrano pepper has 305mg of potassium per 100 grams and onion has 146mg 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, serrano pepper has more luteolin than onion per 100 grams, however, onion contains more isorhamnetin and kaempferol than serrano pepper per 100 grams. Both onion and serrano pepper contain significant amounts of quercetin.
| Onion | Serrano Pepper | |
|---|---|---|
| apigenin | 0.01 mg | ~ |
| luteolin | 0.02 mg | 4.14 mg |
| isorhamnetin | 5.01 mg | ~ |
| kaempferol | 0.65 mg | ~ |
| myricetin | 0.03 mg | ~ |
| Quercetin | 20.3 mg | 15.98 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,
| Onion | Serrano Pepper | |
|---|---|---|
| beta-carotene | 1 UG | 534 UG |
| lutein + zeaxanthin | 4 UG | 544 UG |
| alpha-carotene | ~ | 18 UG |
Omega-3 and Omega-6
omega 3s
For omega-3 fatty acids, both onion and serrano pepper contain small amounts of alpha linoleic acid (ALA).
| Onion | Serrano Pepper | |
|---|---|---|
| alpha linoleic acid | 0.004 G | 0.006 G |
| Total | 0.004 G | 0.006 G |
omega 6s
Comparing omega-6 fatty acids, serrano pepper has more linoleic acid than onion per 100 grams.
| Onion | Serrano Pepper | |
|---|---|---|
| linoleic acid | 0.013 G | 0.216 G |
| Total | 0.013 G | 0.216 G |
Customize your serving size
The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.
Note: The specific food items compared are: Onion (Onions, raw) and Serrano Pepper (Peppers, serrano, raw) .
Onion g
()
|
Daily Values (%) |
Serrano Pepper g
()
|
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|---|---|---|---|---|---|---|---|
| KCAL % |
|
5% | calories | 5% |
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KCAL % | |
| G % |
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5% | carbohydrates | 5% |
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G % | |
| G % |
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5% | dietary fiber | 5% |
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G % | |
| G | 5% | sugar | 5% | G | |||
| G % |
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5% | total fat | 5% |
|
G % | |
| G % |
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5% | saturated fat | 5% |
|
G % | |
| G | 5% | monounsaturated fat | 5% | G | |||
| G | 5% | polyunsaturated fat | 5% | G | |||
| G | 5% | trans fat | 5% | G | |||
| MG | 5% | cholesterol | 5% | MG | |||
| MG % |
|
5% | sodium | 5% |
|
MG % | |
| 5% | Vitamins and Minerals | 5% | |||||
| UG % |
|
5% | Vitamin A | 5% |
|
UG % | |
| MG % |
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5% | Vitamin C | 5% |
|
MG % | |
| IU % |
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5% | Vitamin D | 5% |
|
IU % | |
| MG % |
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5% | calcium | 5% |
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MG % | |
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5% | iron | 5% |
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MG % | |
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5% | magnesium | 5% |
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MG % | |
| MG % |
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5% | potassium | 5% |
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MG % | |
| MG % |
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5% | thiamin (Vit B1) | 5% |
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MG % | |
| MG % |
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5% | riboflavin (Vit B2) | 5% |
|
MG % | |
| MG % |
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5% | niacin (Vit B3) | 5% |
|
MG % | |
| MG % |
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5% | Vitamin B6 | 5% |
|
MG % | |
| MG % |
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5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
| UG % |
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5% | folate (Vit B9) | 5% |
|
UG % | |
| UG % |
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5% | Vitamin B12 | 5% |
|
UG % | |
| MG % |
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5% | Vitamin E | 5% |
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MG % | |
| UG % |
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5% | Vitamin K | 5% |
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UG % | |
| G % |
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5% | protein | 5% |
|
G % | |
| UG % |
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5% | biotin (Vit B7) | 5% |
|
UG % | |
| MG % |
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5% | choline | 5% |
|
MG % | |
| MG % |
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5% | chlorine | 5% |
|
MG % | |
| UG % |
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5% | chromium | 5% |
|
UG % | |
| MG % |
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5% | copper | 5% |
|
MG % | |
| UG % |
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5% | fluoride | 5% |
|
UG % | |
| UG % |
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5% | iodine | 5% |
|
UG % | |
| MG % |
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5% | manganese | 5% |
|
MG % | |
| UG % |
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5% | molybdenum | 5% |
|
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| MG % |
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5% | phosphorus | 5% |
|
MG % | |
| UG % |
|
5% | selenium | 5% |
|
UG % | |
| MG % |
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5% | zinc | 5% |
|
MG % | |
| G | 5% | Water | 5% | G | |||
| G | 5% | Starch | 5% | G | |||
| G | 5% | Alcohol | 5% | G | |||
FAQ
Does serrano pepper or onion contain more calories in 100 grams?Serrano pepper and onion contain similar amounts of calories - serrano pepper has 32 calories in 100g and onion has 40 calories.
Does serrano pepper or onion have more carbohydrates?
By weight, serrano pepper and onion contain similar amounts of carbs - serrano pepper has 6.7g of carbs for 100g and onion has 9.3g of carbohydrates.
Does serrano pepper or onion contain more potassium?
Serrano pepper is a rich source of potassium and it has 110% more potassium than onion - serrano pepper has 305mg of potassium in 100 grams and onion has 146mg of potassium.