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Marmalade is a fruit preserve specifically related to citrus fruits. Oranges, tangerines, lemons, grapefruits, citrons, and bergamots are some of the fruits used to make it. Their intense aroma, natural acidity, and the possible presence of zest contribute to an aromatic, fresh, and sometimes slightly bitter product.

Jam, on the other hand, is made with the pulp or puree of one or more types of fruit, combined with sugars and water until it reaches a gel-like consistency. Strawberries, apricots, peaches, cherries, plums, pears, figs, and berries are among the most common ingredients. However, it's not entirely correct to say that jam must be made exclusively with fruits other than citrus fruits: even citrus fruits can be used in the production of jam. The term "citrus marmalade," however, remains reserved for the specific preparation obtained with this family of fruits.

Why is the word jam often used for all fruits?

In everyday language, the term jam is commonly used to refer to almost any sweet or spreadable fruit preserve. It's therefore common to hear people talking about strawberry, apricot, or cherry jam, even though these products are generally labeled as preserves on the packaging.

This linguistic habit likely stems from the fact that jams and marmalades have a similar appearance and are used at the same times of day. Both can be spread on bread, used as a tart filling, or added to yogurt. From a commercial naming perspective, however, the distinction allows for more precise identification of the product's composition.

Knowing the meaning of the terms on the label therefore helps you to choose more consciously and to understand which fruit has been used.

The characteristics of jam

Marmalade can be made using various parts of the citrus fruit, such as the juice, pulp, puree, and zest. The zest plays an important role because it contains aromatic substances that enhance the aroma. It can also impart a pleasant bitter note, particularly evident in preparations made with bitter oranges, grapefruits, or certain types of lemons.

The consistency varies depending on the processing. Some jams are smooth and homogeneous, while others contain small pieces of pulp or thin strips of peel. The density depends on the amount of liquid, the cooking time, and the natural presence of pectin, a substance that promotes gelation.

The flavor isn't necessarily very sweet. The balance between sugar, acidity, and bitter notes can result in very different products. A mandarin marmalade tends to be delicate and fragrant, while one made with lemon or grapefruit can be fresher and more assertive.

The characteristics of the jam

Jam offers a particularly wide range of flavors because it can be made with numerous fruit varieties. The result varies significantly depending on the main ingredient: strawberries produce a soft and fragrant preserve, apricots provide a pleasant tart note, while figs and pears allow for naturally sweeter preparations.

The texture can also vary. Some jams are blended until smooth, while others retain easily recognizable fruit pieces. Longer cooking can promote water evaporation and make the product more concentrated, but a very thick jam doesn't always mean higher quality.

The consistency also depends on the type of fruit. Apples, citrus fruits, currants, and some plum varieties contain good amounts of pectin and thicken more easily. Strawberries, peaches, and cherries, on the other hand, may require a different balance of fruit, sugar, acidity, and cooking time.

The role of sugar

Sugar doesn't just sweeten jams and preserves. It helps create consistency, balances the fruit's acidity, and helps preserve the product.

The amount used may vary depending on the recipe. A very ripe and naturally sweet fruit may require a different dosage than a particularly acidic citrus fruit. The desired result also influences the preparation: increasing the fruit content and reducing the added sugars often achieves a flavor closer to that of the fresh ingredient, but it can affect the consistency and shelf life of the preserve.

When purchasing packaged products, don't judge sweetness solely by the name. A jam isn't necessarily sweeter than a marmalade, just as a product rich in fruit can still contain a significant amount of naturally occurring sugars.

How to read the label correctly

The ingredients list is the first thing to check. Ingredients are listed in decreasing order of quantity, so those at the beginning of the list are generally the most abundant.

It's also helpful to consider the amount of fruit used to make the finished product. This information allows you to compare similar jams or preserves and understand which ones best showcase the main ingredient. The nutritional table, on the other hand, allows you to check the total sugar content, which includes both those naturally present in the fruit and any added during preparation.

It's also important to distinguish between jam and extra jam. The latter is made according to specifications that generally require a higher amount of fruit. The word "extra," however, doesn't automatically mean the product isn't sweet enough: in this case, too, it's important to read the entire label.

How to use jam and preserves in the kitchen

Citrus marmalade is particularly suitable for breakfast, but can also be used to fill tarts, biscuits, and cakes. Its tart and bitter notes pair well with aged cheeses, ricotta, and some savory dishes.

Jam is very versatile and can be chosen based on the dessert being prepared. Apricot jam is often used to glaze cakes and tarts, while strawberry, raspberry, and blueberry jams are suitable for cheesecakes, desserts, and baked goods. Fig, pear, or onion versions, when called for in the recipe, can accompany cheeses and boldly flavored dishes.

In conclusion

Marmalade is a preparation specifically associated with citrus fruits, while preserves encompass a broader range of fruits and can even be made with the same citrus fruits. The difference isn't necessarily in sweetness or density, as these characteristics depend on the recipe, the quantity of fruit, and the processing method.

To choose the most suitable product, it's helpful to check the name, read the ingredients, and compare the percentage of fruit and sugar content. This makes it easier to identify the preserve that best suits your tastes and use it correctly in various preparations.