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Frozen Sliced Onions nutrition: calories, vitamins and minerals

Frozen Sliced Onions is a frozen, whole vegetable and, as a NOVA group 1 food, delivers naturally occurring energy and nutrients with no added sugar, salt or additives. Frozen at its peak, which locks in nutrients, so it is often just as nutritious as fresh. It adds vitamins, minerals and fibre to your day. One portion counts as one of your five a day. Work out the numbers for any portion and age below, then see the full macro and micronutrient breakdown.

Frozen Sliced Onions nutrition calculator
Calories, sugar and key nutrients by portion. Change the age and every percentage updates.
Key nutrients in this portion

Frozen Sliced Onions nutrition per 100g and per portion

Typical valuesPer 100gPer portion (80g)
Energy4032
Fat0.1g0.1g
of which saturates0.02g0g
Carbohydrate9.3g7.4g
of which total sugars4.7g3.8g
of which added sugars0g0g
of which starch0g0g
Fibre1.7g1.4g
Protein1.1g0.9g
Salt0g0g

Sugar, fat, fibre and carbohydrate, by age

The tables below put each macronutrient against age-appropriate guidance, because what matters for a 4 year old is very different from an adult.

Sugar in Frozen Sliced Onions: natural, not added

An 80g serving contains about 3.8g of sugar, and it is all natural (intrinsic) sugar that comes packaged with fibre and water. It has 0g of added or free sugar, so it does not count toward the daily free sugar limit the NHS sets. The table shows those limits by age; Frozen Sliced Onions contributes nothing to them.

Age groupDaily free sugar limitIn an 80g serving% of that
Adult30g0g
0%
Age 11 to 1730g0g
0%
Age 7 to 1024g0g
0%
Age 4 to 619g0g
0%

Fat in Frozen Sliced Onions: naturally very low

Frozen Sliced Onions is naturally very low in fat, with about 0.08g per portion and 0g of added fat. Only around 0.02g is saturated, well within the daily maximum for every age group.

Age groupMax saturated fatIn an 80g serving% of that
Adult24g0.02g
0%
Age 11 to 1727g0.02g
0%
Age 7 to 1022g0.02g
0%
Age 4 to 618g0.02g
0%

Fibre in Frozen Sliced Onions by age

Fibre supports healthy digestion, and most people in the UK do not get enough. A portion provides about 1.36g. Because children need less fibre than adults, that same portion covers a bigger share of a younger child's target.

Age groupRecommended fibreIn an 80g serving% of that
Adult30g1.36g
5%
Age 11 to 1725g1.36g
5%
Age 7 to 1020g1.36g
7%
Age 4 to 615g1.36g
9%

Carbohydrate in Frozen Sliced Onions by age

There is about 7.4g of carbohydrate per portion. There is no single daily target, but roughly half of daily energy should come from carbohydrate; the reference values below are based on that.

Age groupReference carbohydrateIn an 80g serving% of that
Adult250g7.4g
3%
Age 11 to 17275g7.4g
3%
Age 7 to 10225g7.4g
3%
Age 4 to 6188g7.4g
4%

Vitamins and minerals in Frozen Sliced Onions

Percentages are share of the daily Nutrient Reference Value (NRV). Under UK and EU rules a food is a source of a nutrient at 15% NRV per 100g and high in it at 30%.

NutrientPer 100g%NRV /100g%NRV /portion 
Folate19ug10%8%-
Vitamin C7.4mg9%7%-
Vitamin B60.12mg9%7%-
Potassium146mg7%6%-

Vitamins and minerals in Frozen Sliced Onions, by age

These tables show how the nutrients compare to daily needs across different ages, using UK Reference Nutrient Intakes (RNIs). This differs from the source of and high in labels above, which use the single adult figure (NRV) set for food packaging. Children's needs are lower, so a portion goes further.

Folate in Frozen Sliced Onions by age

Folate is needed to make healthy red blood cells and is especially important before and during pregnancy. An 80g serving contains 15ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In an 80g serving% of daily need
Adult200ug15ug
8%
Age 11 to 17200ug15ug
8%
Age 7 to 10150ug15ug
10%
Age 4 to 6100ug15ug
15%

Vitamin C in Frozen Sliced Onions by age

Vitamin C supports the immune system and helps the body absorb iron from food. An 80g serving contains 5.92mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In an 80g serving% of daily need
Adult40mg5.92mg
15%
Age 11 to 1740mg5.92mg
15%
Age 7 to 1030mg5.92mg
20%
Age 4 to 630mg5.92mg
20%

Vitamin B6 in Frozen Sliced Onions by age

Vitamin B6 helps the body release energy from food and supports the nervous system. An 80g serving contains 0.1mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In an 80g serving% of daily need
Adult1.4mg0.1mg
7%
Age 11 to 171.2mg0.1mg
8%
Age 7 to 101mg0.1mg
10%
Age 4 to 60.9mg0.1mg
11%

Potassium in Frozen Sliced Onions by age

Potassium helps control blood pressure and supports normal muscle and nerve function. An 80g serving contains 117mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In an 80g serving% of daily need
Adult3500mg117mg
3%
Age 11 to 173500mg117mg
3%
Age 7 to 102000mg117mg
6%
Age 4 to 61100mg117mg
11%

Is Frozen Sliced Onions processed?

No. Freezing adds nothing, so Frozen Sliced Onions is still a NOVA group 1 whole food. It is picked and frozen at its peak, which can preserve vitamins better than fresh produce that spends days in transit and storage.

Frozen Sliced Onions nutrition FAQ

How many calories are in frozen sliced onions?

An 80g serving has about 32 calories.

How much sugar is in frozen sliced onions?

An 80g serving has about 3.8g of sugar, roughly 0.9 teaspoons, and none of it is added sugar.

Is frozen sliced onions good for you?

Yes. Frozen Sliced Onions is a whole food providing fibre and a range of vitamins and minerals. One portion counts as one of your five a day.

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Nutrition data from McCance and Widdowson and UK FoodData Central, per 100g raw edible portion; values are reference figures and can vary by variety and ripeness. Reference intakes: EU NRVs for labelling and UK RNIs (SACN) for age-based needs. For guidance only.