Tasting fruit beer and telling real fruit from flavouring

Two ways to make a fruit beer

A brewer who wants mango, jamun or passion fruit in a beer has two broad options. The first is real fruit: whole fruit, purée or pulp added to the fermenter, so yeast ferments the fruit sugar alongside the malt. Brewers commonly use somewhere around 100 to 250 grams of fruit per litre for a clear fruit character, more for intense versions. Our guide to adding fruit to beer covers the method.

The second is flavouring: a natural or artificial extract added after fermentation, usually at packaging. It is cheaper, easier to control and gives the same result every batch. It is not cheating. It is a different product. You should know which one you are drinking.

What fermentation does to real fruit

The key thing to understand is that yeast eats fruit sugar. A beer fermented on a lot of mango does not taste like mango juice. Most of the sweetness disappears and what remains is the fruit's aroma, its acidity and some of its texture. Real fruit beers therefore tend to taste drier and tarter than people expect.

Fruit also brings colour, tannin from skins and pectin, which can leave a haze. Raspberry or jamun beers can turn deep red or purple without any added colour.

Clues that point to real fruit

• Aroma and flavour agree. The fruit you smell is also there on the palate, along with its acidity.
• Complexity. Real mango brings hints of resin, skin and a little bitterness, not only sweet pulp.
• Dryness and tartness rather than sugary sweetness.
• Natural haze or sediment and a colour that matches the fruit.
• Change over time. Real fruit aroma fades within months, so an older bottle tastes noticeably less fruity than a fresh one.

Clues that point to flavouring

• A big aroma with a thin palate. The glass smells intensely of fruit, but the taste is mostly plain beer.
• One note. It smells like the idea of the fruit, more sweet shop than orchard.
• Bright clarity and colour that seems unrelated to the fruit.
• Sweetness that sits on top. Some flavoured beers are back-sweetened, so they taste sugary in a way a fully fermented fruit beer rarely does.

Treat these as clues rather than proof. Skilled brewers blend both methods. A beer brewed with fruit can be finished with a little extract to lift the aroma. Some extracts are very good.

Read the label

Labels often help. Wording such as "brewed with mango pulp" tells you something different from "natural mango flavour" or "nature identical flavouring". Ingredient lists are worth reading too. The order of ingredients matters. Our guide to reading a beer label explains what you can and cannot rely on.

In a brewpub, just ask. Most brewers are proud of their fruit and happy to tell you how many kilos went into the tank.

A tasting you can try

Buy the fruit itself. Set out a few slices of ripe mango, guava or pineapple alongside the beer. Smell the fruit, then the beer, then the fruit again. With the real thing in front of you, it becomes much easier to tell whether the beer has captured the fruit or a sweet impression of it.

Then taste the beer at two temperatures: cold from the fridge and again after ten minutes. Real fruit character usually opens up as the beer warms. A flavoured beer often smells the same at both.

When fruit beer goes wrong

Real fruit brings its own risks. Fruit carries wild yeast and bacteria, so a beer that was not handled carefully can turn sour, vinegary or funky when it was meant to be clean. A sticky, ropy texture or a nail varnish note are warning signs. Fruit added late can also restart fermentation in the bottle or can, which shows up as gushing when you open it. Treat a gushing fruit beer with care and tell the brewer.

Flavoured beers have their own faults. Too much extract can taste of cough syrup or boiled sweets. Some flavourings fade or turn harsh in heat, much as hop aroma does.

Indian fruit in the glass

Indian brewers have a rich pantry. Alphonso mango brings tropical sweetness and a resinous edge. Jamun gives deep purple colour and astringency. Kokum adds sourness and a dusky red. Passion fruit, guava, lychee and pineapple all appear on craft menus. Several work especially well in sour and wheat beers, where acidity lets the fruit stand out. Our guide to sour beer for beginners is a good next step.

The hardest part is describing what you taste in words a brewer recognises. Saying a beer is "fake" helps nobody. Saying the aroma is strong but the palate is thin and sweet gives the brewer something to act on.

Common questions

Does real fruit make beer sweet?

Usually not very. Yeast ferments most of the fruit sugar, so real fruit beers often taste drier and tarter than expected, with the fruit coming through as aroma and acidity.

Is using fruit flavouring in beer wrong?

No. It is a legitimate technique that gives consistent results. Many good beers use extract alone or alongside real fruit. It simply gives a different character.

Why does my fruit beer taste less fruity than when I bought it?

Fruit aroma fades over months, especially if the beer is stored warm. Drink fruit beers fresh and keep them cold.

Which Indian fruits are used in beer?

Mango, jamun, kokum, passion fruit, guava, lychee and pineapple are all used by Indian craft brewers, often in wheat and sour beers.