Waitrose & Partners

Duchy Organic Mayonnaise — Calories, Nutrition & Ingredients

UPC 5000169199183 Mayonnaises Updated 16 Oct 2026

Photo: Open Food Facts contributors, CC BY-SA 3.0

Calories: 717per 100 g
Protein: 0.9 gper 100 g
Carbs: 5.1 gper 100 g
Fat: 77 gper 100 g

Where to buy

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Per 100 g, Duchy Organic Mayonnaise has 717 calories, 0.9 g protein and 77 g fat.

Label highlights: Fat: high Saturates: high Sugars: low Salt: medium HFSS

Red means high in the UK front-of-pack traffic-light system. These colours are our calculation from the declared values, not a label on the pack. In this product:

Fat: 77 g per 100 g (red above 17.50 g)
Saturates: 8.30 g per 100 g (red above 5 g)

Calculated from the nutrition data on file; check the package label. How the traffic-light colours work »

Nutrition

Typical values	Per 100 g
Energy	3000 kJ / 717 kcal
Fat	77 g
of which saturates	8.3 g
Carbohydrate	5.1 g
of which sugars	1.9 g
Fibre	0 g
Protein	0.9 g
Salt	0.75 g

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

717 calories in 100 g

Protein0.9 g

Carbohydrates5.1 g

Sugars1.9 g

Added sugars0.9 g

Fibre0 g

Fat77 g

Saturated fat8.3 g

Cholesterol75.1 mg

Sodium300 mg

Calcium5.0 mg

Potassium5.8 mg

Iron0.1 mg

Vitamin A26.9 mcg

Vitamin C0.0 mg

Vitamin D0.3 mcg

Ingredient flags

Ingredient list not available — flags cannot be shown.

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Duchy Organic Mayonnaise

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Healthier swaps

Same category, better nutrition per 100 g (see methodology).

Yidi's Fine Foods Egg mayonnaise Protein 10.3 g · 257 kcal per 100 g

−1.5 g sugars−4.7 g sat. fat−85.3 mg sodium
Asda EGG MAYONNAISE by ASDA Protein 10 g · 139 kcal per 100 g

−1.3 g sugars−6.1 g sat. fat−56 mg sodium
By sainsbury's Mayo limon Protein — g · 54 kcal per 100 g

−1.1 g sugars−7.8 g sat. fat−252 mg sodium

We compare per-100 g values from Open Food Facts. A swap must be at least as good on sugars, saturates, salt, calories, protein and fibre (where listed) and strictly better on at least one of those nutrients. Check the label for your portion size.

Ingredients

Cane sugar, Pasteurised egg yolk, Salt, Spirit vinegar, Sunflower oil, Water

Frequently asked questions

How many calories are in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 717 calories.

How much protein is in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 0.9 g protein.

How many carbohydrates are in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 5.1 g carbohydrates. Of which 1.9 g sugars.

How much sugar is in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 1.9 g sugars.

How much sodium (salt) is in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 300.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Duchy Organic Mayonnaise?

Per 100 g of Duchy Organic Mayonnaise there are 0.0 g fibre. Fibre is important for digestive health.

What are the main ingredients in Duchy Organic Mayonnaise?

The main ingredients in Duchy Organic Mayonnaise are: Cane sugar, Pasteurised egg yolk, Salt, Spirit vinegar, Sunflower oil.

Compare with another product Calculate your portion →

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From the same category

M&S Free range egg mayonnaise 254Calories 10.2Protein 22.7Fat

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Uni-Eagle Sirarcha mayo sauce 195Calories 0.8Protein 12Fat

Tesco Lemon Mayo 345Calories 0.7Protein 31.3Fat

Sainsbury's Peri peri mayo 290Calories 0.5Protein 26.7Fat

By sainsbury's Mayo limon 54Calories —Protein 5.4Fat

Level of processing

Minimally Processed

6 ingredients

UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

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