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Fermentation Atlas

Alcoholic drinks from England

Perry (poiré)perai

Perry is the pear counterpart of cider, made by fermenting the pressed juice of perry pears. The juice ferments slowly in sealed vessels in the cold months, often for several months, and is racked off its yeast and sold still or naturally sparkling. Perry pears hold sorbitol, which gives perry a natural sweetness balanced by citrus acidity. Made in 7 steps over 2.2 years. The longest step, bottle still or let it sparkle in the bottle, takes at least 12 months (DEFRA 2012) and runs at 5–15 °C (DEFRA 2012). Wild yeasts from the pear skins and the air pockets in the fruit and Cultured Saccharomyces cerevisiae or S. bayanus, when added do most of the fermenting.

Key numbers
Main stepat least 12 monthsSet[welsh-perry-pgi]Bottle still or let it sparkle in the bottle
Temperature5–15 °CSet[welsh-perry-pgi]Bottle still or let it sparkle in the bottle
Fully documentedAlcoholic drinks2.2 yearsHerefordshire, Worcestershire and Gloucestershire Perry PGI; Traditional Welsh Perry PGIFamily: Cider (apple)More alcoholic drinksMore from FranceMore from United Kingdom

Recipe

Amounts from a sourceThe rules of the Traditional Welsh Perry and Herefordshire Perry PGI specifications. They set what may go in, not a batch size. Water, fruit concentrate, added sugar (except for bottle fermentation), sweeteners, colour, pasteurisation, membrane filtering, fining and artificial carbonation are not allowed in Traditional Welsh Perry.
Perry pear juice, first pressing · 100 % pear juice for Traditional Welsh Perry, from one variety or a blend[welsh-perry-pgi]
Up to 25 %Cider apple juice · Allowed in Herefordshire Perry; not in Traditional Welsh Perry[hereford-perry-pgi][welsh-perry-pgi]
Cultured yeast (optional) · Such as Saccharomyces bayanus or S. cerevisiae; many makers rely on the wild yeast of the fruit[welsh-perry-pgi]
No more than 200 mg/L SO2Sodium or potassium metabisulphite (optional)[welsh-perry-pgi]
Calcium chloride and pectin esterase (optional) · Only for keeved, naturally sweet perry[welsh-perry-pgi]
Starterspontaneous (wild yeasts on the pears) or cultured yeast

Total time across the recorded steps: 2.2 years

Start
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What changes: Starting material: ripe perry pears

Step 1 of 7
Gather and ripen the perry pears
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Yeasts
Saccharomyces cerevisiae

Pears fall or are shaken from the trees and are picked up by hand or machine. Damaged or rotten fruit is thrown out. Depending on the variety they are pressed at once or left for several weeks to ripen on their own. Output: ripe perry pears.

Flavour
Not documented
Texture
Not documented
Colour
Not documented

Microbes at work in this step

Not documented for this step.

Method

Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source

What makes this one different

Perry is made from perry pears instead of apples. The specifications credit the sorbitol in perry pears for its natural sweetness, and describe its acidity as citrus. Herefordshire Perry may hold up to 25 % cider apple juice, while Traditional Welsh Perry must be 100 % pear juice.

Related ferments

Variants

  • Keeved perryCalcium chloride and pectin esterase are added to the fermenting perry to cut its yeast and yeast nutrients, so it stops sweet and is bottle-conditioned.
  • Bottle-fermented perry (traditional method)Sugar and yeast are added at bottling, the bottles are riddled and disgorged, and the perry is dry and highly sparkling.
  • Domfront (France)Registered as an EU protected designation of origin under file PDO-FR-0276, in the class of other fermented drinks such as cider and perry.

Made the perry way

Safety

Traditional Welsh Perry is unpasteurised and sold live. Makers may add sulphite to protect it, up to 200 mg/L SO2, and bottles for bottle fermentation must withstand 6–12 bar at 25 °C.

History and sources

Every number is labelled with how it is known. How this atlas is made

Perry pears and cider apples have been grown in Herefordshire for over 400 years. Some perry pear trees in Wales are over 300 years old, and the National Fruit and Cider Institute planted trial perry pear orchards in Monmouthshire between 1908 and 1918.

  1. [welsh-perry-pgi] DEFRA, Specification for "Traditional Welsh Perry", PGI under Regulation (EU) No 1151/2012 (applicant Welsh Perry and Cider Society; registered by Implementing Regulation (EU) 2017/922)spec
  2. [hereford-perry-pgi] Ministry of Agriculture, Fisheries and Food (UK), summary under Regulation (EEC) No 2081/92 for Herefordshire Perry PGI (file PGI-GB-0292, Herefordshire cider/perry)spec
  3. [eambrosia-domfront] eAmbrosia, EU register of geographical indications, record EUGI00000013621, Domfront (PDO-FR-0276)gov
  4. [WP:Cider] Wikipedia, Cider (outline only)wiki