Brown Sugar

Food · Pantry & Condiment · Food, Typed Supps

White sugar with a film of molasses on it. That is the entire difference.

Stage by stage

Flavour film (The grain): The colour and caramel note are a molasses coating on an otherwise white crystal.
Sucrose (Small intestine): 96.8 g per 100 g, split into glucose and fructose exactly as white sugar is.
Free sugar (Circulation): No measurable difference in glycaemic response from white sugar.
Trace minerals (Systemic): 150 mg calcium and 300 mg potassium per 100 g — under 1% of an RDI per teaspoon.

Timing

Nothing to time. In baking it holds moisture, which is why recipes specify it — a texture decision, not a nutritional one.

Time to effect

15–30 min: Glycaemic peak, identical to white sugar.
—: Nothing accrues that white sugar would not.

Allergens

None of the fourteen major allergens. Derived from what this food is, not from a product label.

Eating patterns

Fits: Vegetarian, Pescatarian, Halal, Kosher, Gluten-free. Depends on the product: Vegan, Low-FODMAP.

Satiety

Not scored: the satiety index is measured on 240 kcal servings, and nobody eats a 240 kcal serving of this. The question does not apply rather than the answer being unknown.

Environmental footprint

3.2 kg CO2e and 202 litres of freshwater per kg, matched to "Cane sugar" in Poore & Nemecek (2018), Science 360.

Cost band

Cheap — roughly £1.5 per kg, as a band midpoint rather than a price.

Key nutrients

Sugar

Nutrition per 100g

Calories: 371
Protein: 0.2g
Carbohydrate: 96.8g
of which sugars: 96.8g
Sodium: 21mg

Food vs. supplement

Brown sugar is the cleanest illustration in this batch that colour is not information. The darker product here is the paler one with a coating applied, and swapping between them changes nothing the body can detect.

Kitchen tip

Keep it in an airtight container. It hardens because the molasses film dries, and a slice of bread left in overnight softens it again.

Common myth

“Brown sugar is the less refined, healthier sugar.” In reality: Most brown sugar is fully refined white sugar with molasses stirred back in for colour. It is 96.8 g of sugar per 100 g, and the glycaemic response is indistinguishable. The calcium and potassium the molasses brings are real and under 1% of a day’s requirement per teaspoon. If the molasses is what appeals, use molasses — it has fifty times the potassium.