Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
lemon
versus
onion
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in lemon and onion:
Lemon and onion contain similar amounts of calories - lemon has 29 calories per 100 grams and onion has 40 calories.
For macronutrient ratios, lemon is lighter in carbs, heavier in fat and similar to onion for protein. Lemon has a macronutrient ratio of 10:84:6 and for onion, 10:88:2 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
Lemon | Onion | |
---|---|---|
Protein | 10% | 10% |
Carbohydrates | 84% | 88% |
Fat | 6% | 2% |
Alcohol | ~ | ~ |
Lemon and onion contain similar amounts of carbs - lemon has 9.3g of total carbs per 100 grams and onion has 9.3g of carbohydrates.
Lemon is a great source of dietary fiber and it has 65% more dietary fiber than onion - lemon has 2.8g of dietary fiber per 100 grams and onion has 1.7g of dietary fiber.
Lemon and onion contain similar amounts of sugar - lemon has 2.5g of sugar per 100 grams and onion has 4.2g of sugar.
Lemon and onion contain similar amounts of protein - lemon has 1.1g of protein per 100 grams and onion has 1.1g of protein.
Both lemon and onion are low in saturated fat - lemon has 0.04g of saturated fat per 100 grams and onion has 0.04g of saturated fat.
Lemon is an excellent source of Vitamin C and it has 616% more Vitamin C than onion - lemon has 53mg of Vitamin C per 100 grams and onion has 7.4mg of Vitamin C.
Lemon and onion contain similar amounts of Vitamin A - lemon has 1ug of Vitamin A per 100 grams and onion does not contain significant amounts.
Lemon and onion contain similar amounts of Vitamin E - lemon has 0.15mg of Vitamin E per 100 grams and onion has 0.02mg of Vitamin E.
Onion and lemon contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and lemon does not contain significant amounts.
Both lemon and onion contain significant amounts of thiamin, riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.
Lemon | Onion | |
---|---|---|
Thiamin | 0.04 MG | 0.046 MG |
Riboflavin | 0.02 MG | 0.027 MG |
Niacin | 0.1 MG | 0.116 MG |
Pantothenic acid | 0.19 MG | 0.123 MG |
Vitamin B6 | 0.08 MG | 0.12 MG |
Folate | 11 UG | 19 UG |
Lemon and onion contain similar amounts of calcium - lemon has 26mg of calcium per 100 grams and onion has 23mg of calcium.
Lemon and onion contain similar amounts of iron - lemon has 0.6mg of iron per 100 grams and onion has 0.21mg of iron.
Lemon and onion contain similar amounts of potassium - lemon has 138mg of potassium per 100 grams and onion has 146mg of potassium.
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, lemon has more luteolin and myricetin than onion per 100 grams, however, onion contains more kaempferol, quercetin and isorhamnetin than lemon per 100 grams.
Lemon | Onion | |
---|---|---|
luteolin | 1.9 mg | 0.02 mg |
kaempferol | 0.03 mg | 0.65 mg |
myricetin | 0.5 mg | 0.03 mg |
Quercetin | 1.14 mg | 20.3 mg |
apigenin | ~ | 0.01 mg |
isorhamnetin | ~ | 5.01 mg |
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, both lemon and onion contain small amounts of beta-carotene and lutein + zeaxanthin.
Lemon | Onion | |
---|---|---|
beta-carotene | 3 UG | 1 UG |
alpha-carotene | 1 UG | ~ |
lutein + zeaxanthin | 11 UG | 4 UG |
For omega-3 fatty acids, lemon has more alpha linoleic acid (ALA) than onion per 100 grams.
Lemon | Onion | |
---|---|---|
alpha linoleic acid | 0.026 G | 0.004 G |
Total | 0.026 G | 0.004 G |
Comparing omega-6 fatty acids, lemon has more linoleic acid than onion per 100 grams.
Lemon | Onion | |
---|---|---|
linoleic acid | 0.063 G | 0.013 G |
Total | 0.063 G | 0.013 G |
The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).
You can try adding or subtracting the amount of either Lemon or Onion .
Lemon g
()
|
Daily Values (%) |
Onion g
()
|
|||||
---|---|---|---|---|---|---|---|
KCAL % |
|
5% | calories | 5% |
|
KCAL % | |
G % |
|
5% | carbohydrates | 5% |
|
G % | |
G % |
|
5% | dietary fiber | 5% |
|
G % | |
G | 5% | sugar | 5% | G | |||
G % |
|
5% | total fat | 5% |
|
G % | |
G % |
|
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 % |
|
5% | Vitamin C | 5% |
|
MG % | |
IU % |
|
5% | Vitamin D | 5% |
|
IU % | |
MG % |
|
5% | calcium | 5% |
|
MG % | |
MG % |
|
5% | iron | 5% |
|
MG % | |
MG % |
|
5% | magnesium | 5% |
|
MG % | |
MG % |
|
5% | potassium | 5% |
|
MG % | |
MG % |
|
5% | thiamin (Vit B1) | 5% |
|
MG % | |
MG % |
|
5% | riboflavin (Vit B2) | 5% |
|
MG % | |
MG % |
|
5% | niacin (Vit B3) | 5% |
|
MG % | |
MG % |
|
5% | Vitamin B6 | 5% |
|
MG % | |
MG % |
|
5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
UG % |
|
5% | folate (Vit B9) | 5% |
|
UG % | |
UG % |
|
5% | Vitamin B12 | 5% |
|
UG % | |
MG % |
|
5% | Vitamin E | 5% |
|
MG % | |
UG % |
|
5% | Vitamin K | 5% |
|
UG % | |
G % |
|
5% | protein | 5% |
|
G % | |
UG % |
|
5% | biotin (Vit B7) | 5% |
|
UG % | |
MG % |
|
5% | choline | 5% |
|
MG % | |
MG % |
|
5% | chlorine | 5% |
|
MG % | |
UG % |
|
5% | chromium | 5% |
|
UG % | |
MG % |
|
5% | copper | 5% |
|
MG % | |
UG % |
|
5% | fluoride | 5% |
|
UG % | |
UG % |
|
5% | iodine | 5% |
|
UG % | |
MG % |
|
5% | manganese | 5% |
|
MG % | |
UG % |
|
5% | molybdenum | 5% |
|
UG % | |
MG % |
|
5% | phosphorus | 5% |
|
MG % | |
UG % |
|
5% | selenium | 5% |
|
UG % | |
MG % |
|
5% | zinc | 5% |
|
MG % | |
G | 5% | Water | 5% | G | |||
G | 5% | Starch | 5% | G | |||
G | 5% | Alcohol | 5% | G | |||