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Lightly skimmed South Tyrolean cow milk is set with rennet at 32–33 °C, cut, stirred and pressed, then held in a conditioned room until the paste is acid enough. After brining, the wheels ripen at least 60 days on wooden boards and are washed with a mild brine that carries native Arthrobacter and Brevibacterium strains, which give the orange rind.
Fully documentedCheese2 monthsPDO (Regulation (EC) No 148/2007)
Recipe
No fixed amounts recordedThe specification sets limits, not a recipe, and gives no batch size or doses. A wheel weighs 8–10 kg.
Cow milk from the delimited area, more than 3.10% protein
May be cleaned by bactofugation and lightly skimmed to 3.45–3.80% fat; ONAF lists it as pasteurised[eu-application-2][onaf]
optional lactic starter in the vat; a native Arthrobacter and Brevibacterium smear culture on the rind
Total time across the recorded steps: 2 months
Start
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What changes:The milk is lightly skimmed to set its fat
Step 1 of 8
Prepare the milk
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Brevibacterium
Lactic acid bacteria
Milk from the delimited area may be cleaned by bactofugation and lightly skimmed with a separator.
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
At a glance
Lightly skimmed South Tyrolean cow milk is set with rennet at 32–33 °C, cut, stirred and pressed, then held in a conditioned room until the paste is acid enough. After brining, the wheels ripen at least 60 days on wooden boards and are washed with a mild brine that carries native Arthrobacter and Brevibacterium strains, which give the orange rind. Made in 8 steps over 2 months. The longest step, ripen on wooden boards, takes at least 2 months (Application for registration 'Stelvio' or 'St…). Arthrobacter and Brevibacterium strains of the native rind culture, added to the washing brine in the first two to three weeks; they make the yellow-orange to orange-brown rind does most of the fermenting.
A South Tyrolean smear-ripened mountain cheese whose specification names the rind bacteria (Arthrobacter and Brevibacterium) added to the washing brine. Fed mainly on local hay and grass silage, with at most 15 kg of silage a head.
Size
Cylinder 34–38 cm across, 8–11 cm high, 8–10 kg (2020 text)
Composition
Fat in dry matter 50% or more; moisture no more than 44%
Shape
In the 2020 amendment application, cheese made only for slicing, dicing or grating may be made in a non-cylindrical shape
The specification cites traces from the late Middle Ages and a 1914 description of the cheese and its make at the Stilfs (Stelvio) dairy. Commission Regulation (EC) No 148/2007 of 15 February 2007 registered the name. Non-minor amendments to the specification were approved by Regulation (EU) No 1132/2013 of 7 November 2013 and by Regulation (EU) 2021/588 of 6 April 2021, after the 2020 amendment application was published (Official Journal C 317, 25 September 2020).