Concentration and speciality
Fruit addition
Bringing fruit other than apple or pear into a cider as juice, purée, whole fruit or concentrate, where the timing of the addition decides whether you keep the aroma or the alcohol.
Also called fruiting, fruit adjuncts.
- Stage
- Concentration and speciality
- Traditional in
- No single tradition — used wherever it suits
- What it most changes
- Fruit character up
- Safety
- Carries a safety consideration — see below
Fruit juice, purée or concentrate added after fermentation returns fermentable sugar to a cider that may still contain viable yeast. If such a cider is sealed into bottle, can or keg without effective stabilisation, fermentation restarts in the package and pressure rises without any outward sign until the container fails or the closure is released. Treat any post-ferment fruit addition as a stabilisation decision, confirm that the product is genuinely stable before filling, and never assume that refrigeration alone has stopped a ferment.
What it is
Fruit addition covers every route by which berry, stone, citrus or tropical fruit enters a cider: pressed juice, aseptic purée, frozen whole fruit dropped into a vessel, or concentrate dosed at blending. It may happen before fermentation, during it, or into a finished cider immediately before packaging, and that timing changes the outcome far more than the choice of fruit does. Commercially the category is substantial in the British, North American and Scandinavian markets. Legally it raises a separate question, because several jurisdictions set a minimum apple juice content below which a drink may no longer be labelled cider at all.
Why it is used
- It supplies colour and aroma that apple cannot, which is the direct commercial reason the category exists and the reason it reaches buyers who do not otherwise choose cider.
- It gives an orchard or farm an outlet for its own soft fruit and a way of putting two crops through one plant instead of two.
- It can rebalance a thin or acid-poor base, since many added fruits bring citric acid, colour and tannin of their own that the apple blend lacks.
How it works
- Fruit added before or during fermentation gives up its sugar to the yeast, so the alcohol of the finished cider rises, while most of its volatile aroma is carried out of the vessel by the escaping carbon dioxide — a scrubbing effect that strips exactly the esters and terpenes the fruit was added for.
- Fruit added after fermentation retains its aroma intact but reintroduces fermentable sugar into a liquid that may still hold viable yeast, so the addition must be paired with a stabilisation decision: filtration, pasteurisation or a preservative route.
- Anthocyanin colour from red and purple fruit is unstable in the presence of sulphur dioxide, which forms colourless addition compounds, and is adsorbed onto yeast during any active ferment, so a pre-ferment addition typically loses much of the colour that made it attractive.
- Purées and whole fruit carry pectin and cell debris that will hold a haze unless treated, and any untreated fresh fruit also carries its own wild yeast and mould flora into the vessel.
- Acid profile shifts as well as sugar: most soft and citrus fruits are dominated by citric rather than malic acid, which alters both the perceived shape of the acidity and the substrate available to any subsequent malolactic activity.
What it changes
The direction this step pushes the finished drink in, dimension by dimension. A direction, not a measurement: how far it moves depends on the juice, the temperature and how the step is carried out.
| Dimension | Direction | Why |
|---|---|---|
| Fruit character | Raises | The added esters and terpenes are chemically distinct from apple-derived volatiles and sit in aroma families — berry, stone fruit, citrus, tropical — that apple fermentation cannot generate, so the character is genuinely new rather than amplified. |
| Acidity | Either way | Whether acidity rises or falls depends on the fruit: citrus and blackcurrant carry more titratable acid than most cider blends, while ripe stone fruit and pear-derived material can dilute it. |
| Sweetness | Either way | A pre-ferment addition ends dry because the yeast consumes the added sugar; a post-ferment addition leaves that sugar in place, which is why the same fruit at the same dose gives two entirely different products. |
| Alcohol | Either way | Sugar added before fermentation is converted to ethanol and raises the finished strength, whereas sugar added afterwards contributes none, so the timing alone can move the alcohol of otherwise identical batches. |
The chemistry and the organisms
What is actually being changed, and by what. Each entry says what that compound or organism does in cider generally; this page is one place it does it.
Compounds involved
Anthocyanins
The red pigments of apple skin and red-fleshed cultivars, which are colour rather than flavour and which fade quickly in a cider unless the pH is low.
Glucose
The sugar yeast takes first and the smallest of the three in apple juice, which is why the last sugar left in a slow ferment is almost never glucose.
Fructose
The dominant sugar of apple juice and the sweetest of the common sugars, which is why apple juice tastes sweeter than its total sugar figure implies and why a stuck ferment leaves sweetness behind.
Sucrose
The disaccharide of apple juice and the sugar most often added to it, split into glucose and fructose by the yeast’s own invertase before any of it is fermented.
Citric acid
A minor acid in apples and a much more significant one in pears, whose metabolism by lactic bacteria is the reason perry gains more butter and more vinegar from malolactic fermentation than cider does.
Pectin
The structural polysaccharide of fruit cell walls, which decides how much juice a press releases, whether a cider ever clears, and whether keeving is possible at all.
What can go wrong
Faults that begin at this step, or that this step makes more likely. Each one is set out with its causes and whether it can be put right.
Unwanted refermentation
Fermentation restarting in a sealed container, generating carbon dioxide that was not planned for and pressure that a bottle may not withstand.
Bottle over-carbonation
More dissolved carbon dioxide in the bottle than intended or than the glass is rated for — a presentation problem at the mild end and a physical hazard at the severe one.
Microbial haze
Cloudiness caused by a growing population of spoilage organisms, and therefore a symptom of something worse rather than a clarity problem in itself.
Colour loss
A cider left noticeably paler than it should be, usually because fining, filtration or sulphite has removed the phenolic material that gave it colour.
Pectin haze
A persistent, slightly viscous haze that will not settle, caused by pectin from the fruit remaining in solution as a colloid.
Styles it produces
Categories in which this step is characteristic or required. Some name it in their definition; for others it is simply how they have always been made.
More on fruit addition
The honest account of this process is that you cannot have the aroma and the alcohol from the same addition. Fermentation is a stripping column: carbon dioxide leaving a vessel at volume carries the most volatile aroma compounds with it, and those are exactly the low-boiling esters and terpenes that make raspberry smell of raspberry. A pre-ferment addition therefore converts fruit into ethanol and a shadow of its aroma. A post-ferment addition preserves the aroma completely, because nothing is driven off, but it hands back a liquid containing fermentable sugar. Everything else — colour retention, haze, acid balance, whether the cider needs filtering, whether it needs pasteurising — follows from which of those two positions the maker takes.
Practice varies more by market than by tradition, because this is not an old category anywhere. The large British and Scandinavian fruit cider trade is overwhelmingly a post-ferment, stabilised, sweetened product built on concentrate and packaged cold-filtered or pasteurised; the North American craft scene has leant harder on whole fruit and purée dosed into fermenting or freshly fermented cider, accepting the aroma loss for the sake of integration; and continental cider countries with protected designations have largely kept fruit additions outside the traditional product entirely, since a cidre or sidra natural specification does not admit them. That regulatory separation is itself the reason the category grew where it did.
The labelling question is real and jurisdiction-specific. Several markets set a minimum proportion of apple or pear juice below which a drink may not be called cider, and in some of them a fruit cider that meets the flavour brief comfortably fails the compositional one and must be sold under another name. Definitions of what counts towards the minimum — juice, concentrate reconstituted to strength, or neither — also differ. Because these rules are revised periodically and differ between the United Kingdom, the European Union, the United States and elsewhere, the composition should be checked against the destination market’s current definition rather than against a competitor’s label.
Related processes
Steps that sit alongside this one, replace it, or depend on it having been done.
Blending
Back-sweetening
Adding sugar, juice or concentrate to a cider that has fermented dry — a straightforward adjustment that leaves the drink microbiologically unstable until something is done about it.
Stabilisation
Sorbate stabilisation
Adding potassium sorbate to prevent yeast from restarting a fermentation in the package — an inhibitor rather than a killer, and one that must never be used without sulphite.
Stabilisation
Pasteurisation
Heating cider enough to inactivate the organisms that would spoil it, either in the sealed package or in-line before filling, at a measurable cost in fresh aroma.
Stabilisation
Sterile filtration
Membrane filtration at a rating that retains viable yeast and bacteria, which is what allows a sweet cider to be shelf-stable without heat or preservative — provided the filling that follows is aseptic.
Blending
Blending
Combining separate lots of cider or perry into one, which in cider is the historically normal way of making the drink rather than a remedy applied when single lots disappoint.
Concentration and speciality
Spicing
Extracting aromatic compounds from spice into cider, either cold as a production step or hot in the old mulling tradition, with clove, cinnamon-type barks and citrus peel doing most of the work.
What people ask next
Questions readers ask about the things this page mentions. Each one goes to the section that answers it rather than to a page written to receive the question.
- How do i make my cider sweeter
- How do i sweeten cider without it fermenting again — Either remove or kill the yeast — sterile filtration or pasteurisation — or use a non-fermentable sweetener. Sorbate alone is not enough: it prevents yeast multiplying but does not kill what is already there, and needs sulphite alongside it.
- How do you blend cider
- Why did my cider bottles explode — Because fermentable sugar was still present, or too much priming sugar was used, and the pressure exceeded what the bottle could hold. Never bottle a cider whose gravity is still falling, and never use bottles not designed for pressure.
- How do i clear a cloudy cider
- What does pectin do in cider — Pectin is the structural polysaccharide that holds fruit cells together. In juice it holds haze in suspension, and it is the molecule keeving depends on: strip its methyl groups and it will gel with calcium and float the nutrients out of the juice.
Where to go next
- How cider is made — The whole sequence, stage by stage, with the choices open at each one.
- Cider science — The chemistry and microbiology the methods on this page rest on.
- Troubleshooting — What goes wrong, how to recognise it, and whether it can be reversed.
Sources
What this page rests on. Where a source is marked as registered rather than read, CiderHQ is recording that the body is authoritative on the subject without claiming to have worked through the document itself. See our evidence policy for what each state means.
Cider and perry production technical training material
Peter Mitchell / Cider and Perry Academy · reference work · registered as competent for this subject
Searched again on 2026-08-25 and it remains the one printed source here that a bibliographic check cannot fix, because it is not a published work with an edition. It is course material issued to participants of a training programme, so there is no catalogue record to verify, no ISBN, and no lawful public copy. Its state stays `registered` for that reason rather than through inattention.
Alcoholic Products Technical Guide, section 2 — alcoholic products (formerly Excise Notice 162)
HM Revenue & Customs · regulator · passage verified 2026-08-24
What may be called cider or perry for UK duty purposes. The substantive text now lives in section 2 of the Alcoholic Products Technical Guide rather than in the notice itself, and the passages below were read there. The widely repeated "35% juice" figure checks out — but note two things the figure alone hides: it is a tax threshold rather than a quality standard, and concentrate and dilution both count towards it.
National Association of Cider Makers
NACM · specialist organisation · retrieved 2026-08-24
The UK trade association. Useful for industry-agreed definitions and for the voluntary labelling standards its members work to. A trade body has an interest in how its product is described, so CiderHQ cites it for what the industry says about itself rather than for neutral scientific claims.